# List of alerts and corrective actions

Explore the list of system alerts, their meanings, and the recommended corrective actions. Understanding these alerts helps you respond to system events effectively.

For detailed maintenance and troubleshooting articles, search the WEKA Knowledge Base in the [WEKA support portal](https://support.weka.io/s/). Access to the portal requires a login and is available for registered customers and internal users. You can also contact the [Customer Success Team](/support/getting-support-for-your-weka-system.md#contact-customer-success-team).

{% hint style="info" %}
The `LicenseError` alert includes a 5% grace threshold. It is triggered only when used capacity exceeds 105% of the licensed limit, which allows for minor overages without generating an immediate alert.
{% endhint %}

| Alert Name                                  | Description                                                            | Corrective Action                                                                                                                                                                                                                                                                              | Severity |
| ------------------------------------------- | ---------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -------- |
| AdminDefaultPassword                        | Default admin password in use                                          | Change the admin password to restrict access to authorized users.                                                                                                                                                                                                                              | WARNING  |
| AgentNotRunning                             | Local agent is not running                                             | Restart the local agent on the specified server using `weka agent restart`.                                                                                                                                                                                                                    | DEBUG    |
| ApproachingClientsUnavailability            | Approaching connected clients limit                                    | Ensure all backend containers are up. Alternatively, expand the cluster with additional backend containers or servers.                                                                                                                                                                         | DEBUG    |
| ApproachingSystemLimit                      | Approaching a system limit                                             | {action\_item}                                                                                                                                                                                                                                                                                 | MAJOR    |
| AutoRemoveTimeoutTooLow                     | Stateless client auto-remove timeout too low                           | Remount the host with a higher auto-remove timeout value.                                                                                                                                                                                                                                      | WARNING  |
| AvailableMemory                             | Not enough available memory                                            | Check the system memory usage.                                                                                                                                                                                                                                                                 | MAJOR    |
| BackendNumaBalancingEnabled                 | NUMA balancing is enabled on a backend server                          | Disable automatic NUMA balancing on the backend server: `echo 0 > /proc/sys/kernel/numa_balancing`.                                                                                                                                                                                            | WARNING  |
| BackendVersionsMismatch                     | Backend version does not match the cluster version                     | Upgrade all backends to match the cluster version.                                                                                                                                                                                                                                             | WARNING  |
| BadDisksCapacityRatio                       | Large discrepancy between the smallest and largest drive               | Replace drives with comparable capacities to minimize the size difference between drives.                                                                                                                                                                                                      | MAJOR    |
| BlockedJrpcMethod                           | JRPC method is blocked                                                 | Unblock the JRPC method using the `blocked_jrpc_methods_remove` or `blocked_jrpc_methods_clear` manhole.                                                                                                                                                                                       | DEBUG    |
| BondInterfaceCompromised                    | Network high-availability interface compromised                        | Verify the network configuration, cables, and NICs.                                                                                                                                                                                                                                            | MINOR    |
| BucketCapacityExhausting                    | Buckets are approaching maximum capacity                               | Migrate to a cluster with a higher number of buckets.                                                                                                                                                                                                                                          | DEBUG    |
| BucketHasNoQuorum                           | Too many compute processes are down                                    | Ensure the compute processes on containers {containers} are running and connected. If the issue persists, contact the Customer Success Team.                                                                                                                                                   | DEBUG    |
| BucketUnresponsive                          | Compute resource failure                                               | Check connectivity and drive status on the leader container. Ensure compute processes are running. If the issue persists, contact the Customer Success Team.                                                                                                                                   | CRITICAL |
| BucketsImbalance                            | FS buckets are not properly balanced between processes                 | If this alert persists, contact the Customer Success Team.                                                                                                                                                                                                                                     | WARNING  |
| CPUFrequentStarvation                       | Frequent CPU starvation detected in the last minute                    | Check the logs of the relevant containers for potential hardware or core allocation problems.                                                                                                                                                                                                  | DEBUG    |
| CPUStarvation                               | CPU starvation detected in the last minute                             | Check the logs of the relevant containers for potential hardware problems. For a specific hang address, run `/weka/weka_addr2line` within the reported WEKA container on the address to convert it into a symbol name.                                                                         | DEBUG    |
| CWTaskAbortionStuck                         | CWTask stuck in aborting state                                         | Start I/O to allow the task to complete the abort process.                                                                                                                                                                                                                                     | DEBUG    |
| ChokingDetected                             | High congestion level                                                  | Expand cluster resources if the workload is maximizing current capacity. For assistance, contact the Customer Success Team.                                                                                                                                                                    | DEBUG    |
| ClientVersionsMismatch                      | Client version does not match the cluster version                      | Upgrade clients to match the cluster version using `weka local upgrade`.                                                                                                                                                                                                                       | DEBUG    |
| ClockSkew                                   | Clock skew detected on server                                          | Ensure NTP is configured correctly on the containers and that their clocks are synchronized.                                                                                                                                                                                                   | MINOR    |
| CloudHealth                                 | WEKA Home disconnected                                                 | Check that the server has Internet connectivity and is connected to WEKA Home. See the WEKA Home – The WEKA Support Cloud topic.                                                                                                                                                               | MINOR    |
| CloudStatsError                             | Statistics upload failed                                               | See the event details in System Events.                                                                                                                                                                                                                                                        | DEBUG    |
| ClusterInitializationError                  | Cluster initialization error                                           | Identify and resolve the underlying cause to resume I/O operations. To clear this alert, run `weka cluster stop-io`.                                                                                                                                                                           | WARNING  |
| ClusterIsUpgrading                          | Cluster upgrade in progress                                            | Wait for the upgrade to complete. If the upgrade fails, contact the Customer Success Team.                                                                                                                                                                                                     | DEBUG    |
| CompressedSpaceFragmented                   | Compressed free space is too fragmented                                | Check whether DATA\_DEFRAG tasks are paused or hanging. If the issue persists, contact the Customer Success Team.                                                                                                                                                                              | WARNING  |
| ConfigOverridesActive                       | Configuration overrides are active                                     | Contact the Customer Success Team.                                                                                                                                                                                                                                                             | DEBUG    |
| CoreOverlapping                             | Core overlapping detected                                              | Contact the Customer Success Team.                                                                                                                                                                                                                                                             | MAJOR    |
| DataIntegrity                               | Data integrity issues detected                                         | Contact the Customer Success Team with scan details. Avoid manual repairs without guidance to prevent further data loss.                                                                                                                                                                       | CRITICAL |
| DataProtection                              | Partial data protection                                                | Restore full data protection. If the cluster remains resilient to one failure, identify the down process, container, or drive and resolve the issue.                                                                                                                                           | MINOR    |
| DataServiceConfigurationNotSet              | Dataservice global configuration filesystem is not set                 | Set `config_fs` for the dataservice by running `weka dataservice global-config set --config_fs`.                                                                                                                                                                                               | MINOR    |
| DedicatedWatchdog                           | Hardware watchdog driver required for dedicated server                 | Install the driver by following the Knowledge Base instructions in the WEKA Support portal.                                                                                                                                                                                                    | DEBUG    |
| DrainingStuck                               | Host stuck in draining state                                           | Check the host status and logs to identify blockers such as slow data migration, capacity constraints, or I/O errors. Verify cluster health and available capacity. If the issue persists, contact the Customer Success Team.                                                                  | MINOR    |
| DriveAutoEjected                            | Drive automatically ejected                                            | Monitor the drive phase-out progress and consider planning a drive replacement.                                                                                                                                                                                                                | WARNING  |
| DriveAutoReactivating                       | Drive auto-reactivation in progress                                    | Monitor the drive status. {reactivation\_action}                                                                                                                                                                                                                                               | WARNING  |
| DriveCriticalWarnings                       | Drive critical warnings detected                                       | Deactivate the drive using `weka cluster drive deactivate` and replace it.                                                                                                                                                                                                                     | MAJOR    |
| DriveDown                                   | Drive failed                                                           | Contact the Customer Success Team to assess drive health and determine whether physical replacement is required. Provide the drive UUID, error message, and host details for faster diagnosis.                                                                                                 | MINOR    |
| DriveEndurancePercentageUsed                | Drive has exceeded its life expectancy                                 | Replace the specified drive before it fails.                                                                                                                                                                                                                                                   | MAJOR    |
| DriveEnduranceSparesRemaining               | Drive internal spares are running low                                  | Replace the specified drive before it fails.                                                                                                                                                                                                                                                   | MAJOR    |
| DriveNVKVRunningLow                         | Drive is nearing exhaustion of an internal resource                    | Contact the Customer Success Team.                                                                                                                                                                                                                                                             | DEBUG    |
| DriveNeedsPhaseout                          | Drive has too many errors                                              | Deactivate the drive using `weka cluster drive deactivate {deactivate_flag}` and consider replacing it.                                                                                                                                                                                        | MAJOR    |
| ExampleAlert                                | Example alert                                                          | Disable this alert by running the `set_example_alert_off` manhole.                                                                                                                                                                                                                             | DEBUG    |
| ExceptionsDuringAlertsEvaluation            | Exceptions thrown during alerts evaluation                             | Check the Assertion Failures event to identify the source of the problem. If the issue persists, contact the Customer Success Team.                                                                                                                                                            | DEBUG    |
| FaultsEnabled                               | Faults are enabled                                                     | Contact the Customer Success Team.                                                                                                                                                                                                                                                             | DEBUG    |
| FilesystemKMSError                          | Filesystem KMS error                                                   | Review the filesystem's KMS customization, configuration, and connectivity.                                                                                                                                                                                                                    | DEBUG    |
| FilesystemsThinProvisioningLowSpace         | Filesystems with thin provisioning are running low on space            | Consider adding more SSD capacity to the tenant containing these filesystems.                                                                                                                                                                                                                  | WARNING  |
| FilesystemsThinProvisioningReserveReached   | Filesystems thin provisioning capacity reserve has been reached        | Create a new filesystem or expand the filesystem's capacity using the reserved capacity.                                                                                                                                                                                                       | DEBUG    |
| GroupQuotasHardLimitReached                 | Group quota hard limit exceeded                                        | Run `weka fs quota list --group` to list groups that have exceeded their hard quota limits. Free up space for these groups or increase their hard quota limit.                                                                                                                                 | WARNING  |
| GroupQuotasSoftLimitReached                 | Group quota soft limit exceeded                                        | Run `weka fs quota list --group` to list groups that have exceeded their soft quota limits. Free up space for these groups or increase their hard quota limit.                                                                                                                                 | WARNING  |
| HangingCacheSync                            | Cache sync is hanging                                                  | Consider using `weka debug fs drop-dirty-cache` to drop the cache and allow other clients to access the file. Note that unsynchronized writes will be lost.                                                                                                                                    | MINOR    |
| HangingClusterTasks                         | Cluster background task progress is hanging                            | Contact the Customer Success Team to address the stalled task.                                                                                                                                                                                                                                 | DEBUG    |
| HangingIos                                  | Some I/Os have stopped responding                                      | Ensure the compute processes are up, running, and connected. If a backend object store is configured, ensure it is connected and responsive. If the issue persists, contact the Customer Success Team.                                                                                         | DEBUG    |
| HardwareComponentFaulty                     | Hardware component fault detected                                      | Check the management controller (BMC or IPMI) for diagnostic details and take corrective action.                                                                                                                                                                                               | MAJOR    |
| HardwareComponentWarning                    | Hardware component warning detected                                    | Check the management controller (BMC or IPMI) for details on the affected components.                                                                                                                                                                                                          | WARNING  |
| HardwareMonitoringUnavailable               | Hardware monitor unavailable                                           | Verify that BMC or IPMI settings are configured correctly in container resources. If the issue persists, contact the Customer Success Team.                                                                                                                                                    | MINOR    |
| HighDrivesCapacity                          | SSD capacity overflow                                                  | Free up space on the SSDs or add more SSDs to the cluster. See the Expand Specific Resources of a Container topic.                                                                                                                                                                             | MAJOR    |
| HighLevelOfUnreclaimedCapacityInObjectStore | High level of unreclaimed space in an object store                     | Check object store connectivity and the progress of deletion operations. Verify that deletion operations are authorized on the object store. Run `weka fs tier capacity --filesystem {filesystem}` for details.                                                                                | DEBUG    |
| HighSSDToRAMRatio                           | High SSD-to-RAM ratio                                                  | Consider increasing RAM cluster-wide or removing unneeded drives to meet filesystem (RAID) requirements and lower the SSD-to-RAM ratio.                                                                                                                                                        | DEBUG    |
| HotspotInodes                               | Some files have a long I/O waiting queue                               | Retrieve the file path using `weka debug fs resolve-inode {inodeIdValue} --snap-view-id {snapViewIdValue}`. List clients with open handles using `weka debug fs lsof {inodeIdValue} --snap-view-id {snapViewIdValue}`. Use the access pattern to optimize the application's caching mechanism. | DEBUG    |
| IBNotEnhanced                               | Enhanced IB mode is disabled                                           | Contact the Customer Success Team.                                                                                                                                                                                                                                                             | DEBUG    |
| ImbalancedCpuUsage                          | Imbalanced CPU usage detected in cluster processes                     | Examine the system configuration for abnormalities that may be causing the CPU usage imbalance.                                                                                                                                                                                                | DEBUG    |
| JumboConnectivity                           | A container cannot send jumbo frames                                   | Check the container network settings and the connected switch, and enable jumbo frames to improve performance.                                                                                                                                                                                 | WARNING  |
| KMSError                                    | KMS error                                                              | Review the KMS configuration and connectivity.                                                                                                                                                                                                                                                 | MAJOR    |
| LeaderPreparedForUpgrade                    | Leader prepared for upgrade                                            | After the upgrade, the leader state returns to normal automatically. If the issue persists, contact the Customer Success Team.                                                                                                                                                                 | DEBUG    |
| LegacyManualOverridesActive                 | Legacy manual overrides are active                                     | Contact the Customer Success Team.                                                                                                                                                                                                                                                             | DEBUG    |
| LicenseError                                | License error                                                          | Ensure the cluster uses the correct license, that the license has not expired, and that the allocated space does not exceed the license limits.                                                                                                                                                | WARNING  |
| LocalTLSCertificateExpired                  | Local TLS certificate has expired                                      | Update the local certificate.                                                                                                                                                                                                                                                                  | DEBUG    |
| LocalTLSCertificateExpiringSoon             | Local TLS certificate is expiring soon                                 | Update the local certificate.                                                                                                                                                                                                                                                                  | DEBUG    |
| LocalTLSConnectivityToNeighbors             | Outgoing TLS connectivity to backends is down                          | Resolve the TLS issue. Check for errors in the local CA certificate at `/etc/wekaio/certs`.                                                                                                                                                                                                    | DEBUG    |
| LongestWaitInodes                           | Elevated I/O wait time detected for some files                         | Retrieve the file path using `weka debug fs resolve-inode {inodeIdValue} --snap-view-id {snapViewIdValue}`. List clients with open handles using `weka debug fs lsof {inodeIdValue} --snap-view-id {snapViewIdValue}`. Use the access pattern to optimize the application's caching mechanism. | DEBUG    |
| LowDiskSpace                                | Low disk space                                                         | See the event details in System Events.                                                                                                                                                                                                                                                        | MINOR    |
| ManualOverridesActive                       | Manual overrides are active                                            | Contact the Customer Success Team.                                                                                                                                                                                                                                                             | DEBUG    |
| ManualOverridesForced                       | Manual overrides are forced                                            | Contact the Customer Success Team.                                                                                                                                                                                                                                                             | DEBUG    |
| MismatchedDriveFailureDomain                | A drive's failure domain does not match that of its attached container | Attach the drive to a container with a matching failure domain, or re-provision the drive to clear its failure-domain assignment.                                                                                                                                                              | MAJOR    |
| MismatchedJoinSecrets                       | Backend containers do not have the same join secrets                   | Ensure all backend containers have the same join secrets to avoid problems rejoining or reforming the cluster.                                                                                                                                                                                 | DEBUG    |
| NegativeUnprovisionedCapacity               | Negative unprovisioned capacity                                        | Resize one or more filesystems to reclaim capacity. For more information, contact the Customer Success Team.                                                                                                                                                                                   | DEBUG    |
| NetworkFailedToStartPorts                   | Network ports failed to start                                          | Run `weka debug net ports $NODE` to view the current port status.                                                                                                                                                                                                                              | DEBUG    |
| NetworkInterfaceLinkDown                    | Network interface link is down                                         | Check connectivity to the specified network interface and verify that it is not blocked.                                                                                                                                                                                                       | MINOR    |
| NfsLocksDisabled                            | NFS locks are disabled                                                 | Configure the config filesystem using `weka nfs global-config set --config-fs=<filesystem name>`.                                                                                                                                                                                              | WARNING  |
| NfsServiceDownAlert                         | NFS service is down                                                    | If the service remains down, contact the Customer Success Team.                                                                                                                                                                                                                                | MAJOR    |
| NoCgroupsConfigured                         | No cgroups are configured                                              | Enable and configure cgroups (v1/v2) following the Cgroups configuration section in the documentation.                                                                                                                                                                                         | WARNING  |
| NoClusterLicense                            | No license assigned                                                    | Obtain and install a license from `get.weka.io`.                                                                                                                                                                                                                                               | WARNING  |
| NoHotSpareFailureDomains                    | No hot-spare failure domains have been configured                      | Assign one or more hot-spare failure domains by running `weka cluster hot-spare`.                                                                                                                                                                                                              | WARNING  |
| NodeBlacklisted                             | A process cannot rejoin the cluster                                    | Whitelist the process by running `weka debug blacklist disable` to allow it to rejoin the cluster.                                                                                                                                                                                             | DEBUG    |
| NodeDisconnected                            | Process disconnected                                                   | Check network connectivity to ensure the processes can communicate with the cluster.                                                                                                                                                                                                           | MINOR    |
| NodeNetworkUnstable                         | A process with an unstable network connection was detected             | Ensure proper network connectivity in the cluster. If the issue persists, contact the Customer Success Team.                                                                                                                                                                                   | WARNING  |
| NodeRDMANotActive                           | RDMA support for the process is inactive                               | Ensure that at least one RDMA-capable device exists.                                                                                                                                                                                                                                           | DEBUG    |
| NodeTieringConnectivity                     | A process cannot connect to an object store                            | Check object store connectivity and ensure the process can communicate with it. Verify network connectivity, process health, and the object store vendor equipment.                                                                                                                            | MAJOR    |
| NonTlsApisAllowed                           | Non-TLS APIs are allowed                                               | Update TLS settings to enforce encrypted API communication and disable non-TLS access over HTTP.                                                                                                                                                                                               | DEBUG    |
| NotEnoughActiveDrives                       | Reduced data protection                                                | Check connectivity and server status. Activate drives in additional failure domains.                                                                                                                                                                                                           | MAJOR    |
| NotEnoughMemoryForFilesystemOperation       | Insufficient cluster-wide RAM for proper filesystem operation          | Increase RAM cluster-wide to meet filesystem (RAID) requirements, or remove drives to reduce SSD capacity.                                                                                                                                                                                     | WARNING  |
| NotEnoughSSDCapacity                        | Some provisioned capacity is unavailable due to failed drives          | Check for drives that are down.                                                                                                                                                                                                                                                                | MAJOR    |
| NotificationQueueHighLoad                   | S3 notification queue has reached the high-water mark                  | Review the queue load and address the backlog.                                                                                                                                                                                                                                                 | MINOR    |
| NotificationSendFailure                     | S3 notification send failure                                           | Check system logs for details and restore Kafka service availability.                                                                                                                                                                                                                          | MAJOR    |
| PartialConnectivityTrackingDisabled         | Partial connectivity tracking is disabled                              | Contact the Customer Success Team to re-enable partial connectivity tracking.                                                                                                                                                                                                                  | DEBUG    |
| PartialHugepageAllocation                   | Not enough memory for hugepage allocation                              | Check the system memory configuration.                                                                                                                                                                                                                                                         | MAJOR    |
| PartiallyConnectedNode                      | A partially connected process was detected                             | Ensure proper network connectivity in the cluster. If the issue persists, contact the Customer Success Team.                                                                                                                                                                                   | MINOR    |
| PassedClientsAvailabilityThreshold          | Connected clients limit reached                                        | Add more backend containers or servers to the cluster, check whether any backends are down, or disconnect some clients.                                                                                                                                                                        | DEBUG    |
| PathsDegraded                               | Network paths are degraded                                             | Contact the Customer Success Team to review path connectivity.                                                                                                                                                                                                                                 | MINOR    |
| PerformanceDegradedLowRAM                   | Low server RAM                                                         | Add more servers to the cluster, add RAM to the backend servers, or increase the memory allocation to the compute processes.                                                                                                                                                                   | MAJOR    |
| QuotasHardLimitReached                      | Directory quota hard limit exceeded                                    | Run `weka fs quota list` to list directories that have exceeded their hard quota limits. Free up space for these directories or increase their hard quota limit.                                                                                                                               | WARNING  |
| QuotasSoftLimitReached                      | Directory quota soft limit exceeded                                    | Run `weka fs quota list` to list directories that have exceeded their soft quota limits. Free up space for these directories or increase their hard quota limit.                                                                                                                               | WARNING  |
| RAIDCapacityExhaustion                      | RAID capacity nearing exhaustion                                       | Monitor the situation for approximately 5 minutes to allow for automatic rebalancing. If RAID capacity usage remains high or continues to increase, contact the Customer Success Team to prevent write failures.                                                                               | MAJOR    |
| RequestedActionFailure                      | Requested action failed                                                | Check system logs for details and verify host accessibility, resource availability, and system state before retrying.                                                                                                                                                                          | DEBUG    |
| RequestedActionTimeout                      | Container action has timed out                                         | Check the container status and logs for more information about the timeout.                                                                                                                                                                                                                    | DEBUG    |
| ResourcesNotApplied                         | Resource changes not applied                                           | Apply the resource changes by running `weka cluster container apply <host-id>`.                                                                                                                                                                                                                | DEBUG    |
| S3LifecycleTaskCannotStart                  | S3 lifecycle tasks cannot start due to missing dataservice containers  | Set up dataservice containers following the "Set up a Data Services Container for Background Tasks" documentation.                                                                                                                                                                             | MINOR    |
| S3UpgradeInProgress                         | S3 is undergoing a software upgrade                                    | If the upgrade does not complete successfully, contact the Customer Success Team.                                                                                                                                                                                                              | WARNING  |
| SSDCapacityDiscrepancy                      | Mismatch between actual and expected SSD capacity usage                | Monitor compute process stability. If the mismatch persists, contact the Customer Success Team.                                                                                                                                                                                                | DEBUG    |
| SSDCapacityTooHigh                          | Available capacity cannot be fully utilized                            | Contact the Customer Success Team to optimize SSD capacity usage.                                                                                                                                                                                                                              | WARNING  |
| SystemDefinedTLS                            | TLS certificate is not user-defined                                    | Replace the auto-generated self-signed certificate with a user-defined certificate by running `weka security tls set`.                                                                                                                                                                         | WARNING  |
| SystemdSafeShutdownConfigMismatch           | Systemd safe shutdown configuration differs across cluster servers     | Enable systemd safe shutdown on all servers by running `weka local enable-safe-shutdown`.                                                                                                                                                                                                      | WARNING  |
| TLSCertificateExpired                       | TLS certificate has expired                                            | Replace the existing certificate using `weka security tls set`.                                                                                                                                                                                                                                | MAJOR    |
| TLSCertificateExpiresSoon                   | TLS certificate is about to expire                                     | Replace the existing certificate using `weka security tls set`.                                                                                                                                                                                                                                | MAJOR    |
| TelemetryStatusFault                        | Telemetry is not streaming                                             | Check the telemetry sinks configuration.                                                                                                                                                                                                                                                       | WARNING  |
| TieredFilesystemOverfillingSSD              | Tiered filesystem SSD capacity threshold exceeded                      | Verify tiering service connectivity to object storage and check for network or authentication issues blocking data migration. Consider increasing tiering upload bandwidth or reviewing tiering policies and thresholds if the SSD is consistently near capacity.                              | WARNING  |
| TooManyPendingClusterwideJobs               | Too many pending cluster-wide jobs                                     | Consider adjusting the policy configuration.                                                                                                                                                                                                                                                   | DEBUG    |
| TraceDumperDown                             | Trace dumper is down                                                   | Contact the Customer Success Team to restart the trace dumper.                                                                                                                                                                                                                                 | DEBUG    |
| TracesDisabled                              | Traces are disabled                                                    | Re-enable cluster traces by running `weka debug traces start`.                                                                                                                                                                                                                                 | DEBUG    |
| TracesFreezePeriodActive                    | Trace freeze is active                                                 | After resolving the underlying issue, contact the Customer Success Team to deactivate the trace freeze if it persists.                                                                                                                                                                         | DEBUG    |
| UdpModePerformanceWarning                   | Backend container configured in UDP mode                               | If this is a misconfiguration, add network devices to the specified backend container using `weka cluster container net add`.                                                                                                                                                                  | DEBUG    |
| UnstableHosts                               | Host marked unstable during upgrade                                    | Review container status and logs to identify and resolve hardware, network, or service problems before retrying the upgrade.                                                                                                                                                                   | DEBUG    |
| UnwritableDisksConfigured                   | A drive is set to unwritable                                           | If the drive remains unwritable after maintenance, contact the Customer Success Team.                                                                                                                                                                                                          | DEBUG    |
| UserQuotasHardLimitReached                  | User quota hard limit exceeded                                         | Run `weka fs quota list --user` to list users that have exceeded their hard quota limits. Free up space for these users or increase their hard quota limit.                                                                                                                                    | WARNING  |
| UserQuotasSoftLimitReached                  | User quota soft limit exceeded                                         | Run `weka fs quota list --user` to list users that have exceeded their soft quota limits. Free up space for these users or increase their hard quota limit.                                                                                                                                    | WARNING  |
| WTracerDaemonWriteIOFailures                | WTracer Daemon write I/O failures detected                             | Review System Events for details and check for storage or network issues affecting trace data writes.                                                                                                                                                                                          | WARNING  |
| WTracerLostTraces                           | WTracer lost traces detected                                           | Review System Events and check for high system load, memory pressure, or I/O bottlenecks.                                                                                                                                                                                                      | MINOR    |


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