| SNMP type | Sub type | Trigger condition |
| FAN | If the fan speed is greater than or less than a threshold value, ReadyNAS get the minimum value via sensors_get_value function. | |
| Temperature | 1. System temperature exceeded safety threshold 2. Auxiliary temperature exceeded safety threshold 3. CPU temperature exceeded safety threshold |
|
| Power Voltage | This is not used | |
| Disk Event | Disk status changed to FAILED/UNAVAIL/OFFLINE/UNKNOWN | |
| Snapshot Event | 1. Snapshot was successfully deleted from share or LUN 2. Failed to remove records for snapshot from share or LUN 3. Snapshot was successfully created for share or LUN 4. Failed to create snapshot for share or LUN 5. Snapshot was deleted from share or LUN due to low free space on the volume 6. Snapshot monitor failed to delete Snapshot from the home directory of user 7. Snapshot was deleted from the home directory of user due to low free space on the volume 8. Snapshot monitor failed to delete Snapshot from the home directory of user 9. Snapshot prune worker successfully deleted snapshot from share or LUN 10. Snapshot prune worker failed to remove records for snapshot from share or LUN 11. Share or LUN was successfully rolled back to snapshot 12. Share or LUN failed to roll back from snapshot 13. Snapshot was successfully cloned to share or LUN 14. Snapshot failed to clone to share or LUN 15. Manual snapshot was deleted from share or LUN due to low free space on the volume 16. Continuous protection snapshot count dropped to 60 in volume 17. Continuous protection is no longer protecting data in volume. Continuous protection on this volume will automatically resume as scheduled when enough space is available |
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| Hotplug Disk | 1. Disk was added to Channel of the expansion unit 2. Disk was added to Channelof the head unit 3. Disk does not meet the minimum required capacity to resync the volume 4. Disk was removed from Channel of the expansion unit |
|
| UPS Event | 1. On line power 2. On battery power 3. Battery is low. System will shut down soon (This threshold is set by user) 4. Forcing shutdown (This threshold is set by user) 5. Communication with UPS is OK 6. Error communicating with UPS 7. Battery error. Replace the battery 8. Cannot communicate with UPS 9. UPS is shutting down the system |
|
| Volume Event | Disk operation | 1. Successfully made disk on channel a global spare disk 2. Failed to make disk on channel a global spare disk 3. Disk format failed on channel 4. Disk format completed on channel |
| Bit Rot | 1. Bit rot protection detected an error on the disk and corrected the error 2. Bit rot has detected an error within the file and cannot correct the error |
|
| Metadata tier migration | 1. Metadata tier migration started for volume 2. Metadata tier migration failed to start for volume 3. Metadata tier migration completed for volume |
|
| Data tier migration | 1. Data tier migration started for volume 2. Data tier migration failed to start for volume 3. Data tier migration completed for volume |
|
| Scrub | 1. Scrub started for volume 2. Scrub stopped for volume 3. Scrub completed for volume 4. Scrub is in process for volume 5. Scrub failed to start for volume |
|
| Disk test | 1. Disk test failed to start for volume 2. Disk test is in process for Volume 3. Disk test started for volume 4. Disk test completed for volume 5. Disk test failed on disk |
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| SSD trim | 1. SSD trim started for volume 2. SSD trim failed to start for volume 3. SSD trim complete for volume 4. Cannot start SSD trim for volume while another SSD trim is in progress |
|
| Balance | 1. Balance started for volume 2. Balance failed to start for volume 3. Balance complete for volume |
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| Defragmentation | 1. Defragmentation started for volume 2. Defragmentation complete for volume |
|
| Other | 1. Volume was added to the system 2. Volume creation failed 3. Volume was deleted from the system 4. Volume deletion failed 5. Volume was exported from the system because volume health changed to unavailable 6. Volume export failed 7. Volume health has been changed 8. Failed to expand volume 9. Failed to change permission and ownership of the share 10. Successfully changed permission and ownership of the share 11. To mix different disk types 12. The volume encountered an error and was made read-only 13. Less than 70/80/90/95% of volume capacity is free 14. The data on the highest tier is exceeding its capacity for volume 15. The metadata on the highest tier is exceeding its capacity for volume 16. Lower tier is now full and the data on the highest tier is not able to migrate the data for volume 17. System volume usage is larger than 80% 18. Failed to start the service for volume since the volume is already running this server 19. Failed to activate encrypted volume 20. Home folders are newly created on volume 21. System will be shut down in 30 minutes because of disk failure. 22. Resyncing started for Volume 23. Pending shutdown cancelled due to resync operation on volume 24. The resync operation finished on volume 25. Volume is resynced 26. Volume configuration was switched to Flex-RAID 27. Volume configuration was switched to XRAID 28. Remove RAID group failed for volume 29. Remove RAID group complete for volume 30. Remove RAID group started for volume 31. The volume configuration has been migrated to the new tiering option to provide you the best performance. ReadyNAS OS started a balance operation for volume to complete the migration. |
|
| Disk Temperature | This is not used | |
| Backup Event | 1. Successfully completed Backup button jobs 2. Cancelled backup job 3. Errors occurred during backup 4. Backup button job is in progress 5. MTP Device connected and preparing backup 6. Automatic MTP backup started 7. Automatic MTP backup completed successfully 8. ReadyDR job failure 9. ReadyDR Job completed successfully |
|
| Disk Smart | Detected increasing reallocated sector count on disk | 1. 50 reallocated sectors AND power-on hours <= 24 2. Reallocated sector count increasing at least 10 times in the past 30 days AND reallocated sector count > 500 3. Reallocated sector count > 1500 |
| Detected increasing spin retry count | 1. Greater than 50 spin retries 2. 10 or more spin retries in the past 30 days |
|
| Detected increasing end-to-end errors | 1. Greater than 25 end-to-end errors 2. 10 or more end-to-end errors in the past 30 days |
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| Detected increasing command timeouts | 1. Greater than 25 command timeouts 2. 10 command timeouts in the past 30 days |
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| Detected pending sector count | 1. 50 pending sectors AND power-on hours < 24 2. Pending sector count increasing at least 10 times in the past 30 days AND pending 3. Pending sector count > 500 |
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| Detected uncorrectable errors | 1. Greater than 25 uncorrectable errors 2. 10 uncorrectable errors in the past 30 days |
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| Detected increasing ATA errors | 1. ATA error count has increased more than 10 times in the past 30 days 2. ATA error count has increased more than 100 in the past 30 days |
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| PSU Event | 1. Power supply in enclosure is no longer detected 2. Power supply in enclosure is offline |
|
| System Event | Application | 1. Application is installed. Reboot to complete the installation 2. Application was uninstalled successfully 3. Application was uninstalled. Reboot to complete the uninstallation 4. Cannot install application 5. Application is installing. Wait until installation is complete 6. Application is not ready for installation, but will be ready in the near future |
| Antivirus | 1. Antivirus scanner found a threat 2. Antivirus scanner definition file was updated 3. Antivirus scanner definition file update failed due to download failure |
|
| Bluetooth | 1. External Bluetooth adapter connected 2. External Bluetooth adapter disconnected 3. Bluetooth connection established by client 4. Bluetooth connection disconnected by client 5. The Bluetooth connection has timed out, and Bluetooth has been deactivated 6. Bluetooth connection idle timed out 7. Bluetooth connection pairing code 8. Bluetooth pairing was successful with client |
|
| UPS | 1. The new UPS detected 2. UPS removed |
|
| External storage | 1. External storage device connected 2. External storage device disconnected 3. External storage device is connected but the file system is not recognized |
|
| Other | Alert message failed to send |
Last Updated:07/07/2025
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Article ID: 000060423