StarWind VSAN writes all events to the application log, which can be viewed in the Event Viewer.
Full information about events and description of StarWind VSAN could be found at the list below:
| EventID | Level | Description |
| 256 | Error | System error has occurred, see log file for details. |
| 257 | Informational | Service is started - <value> |
| 258 | Informational | Service is stopped - <value> |
| 259 | Informational | Device added <value> <value> |
| 260 | Error | Failed to create Device <value>. |
| 261 | Informational | Device <value> is removed. |
| 262 | Warning | Initiator <value> has been disconnected from target <value> |
| 264 | Success | Test event with no arguments. |
| 265 | Informational | Test event with one arguments <value> |
| 266 | Warning | Test event with two arguments, <value> and <value> argument. |
| 267 | Error | Test event with three arguments, <value> , <value> and <value> argument. |
| 268 | Error | Device <value> pending command failed, error code <value>, see log for details. |
| 269 | Informational | Target added <value>, attached devices <value>. |
| 270 | Informational | Target added <value>, no devices attached. |
| 271 | Informational | Target updated <value>, attached devices <value>. |
| 272 | Informational | Target updated <value>, no devices attached. |
| 273 | Informational | Target <value> removed. |
| 274 | Informational | Device added <value>. |
| 512 | Error | Failed to open image file <value>. |
| 513 | Error | DiskBridge: device is write protected or offline (local device name: <value>). |
| 520 | Error | Disk operation failed. Disk path: <value>. Error code: (<value>). |
| 514 | Warning | Device <value>: cache initial size <value> MB is changed to recommended <value> MB. |
| 515 | Warning | Device <value>: cache statistics has been reset. |
| 516 | Informational | Device <value>: cache <value> is successfully changed to cache … |
| 517 | Error | Device: <value> cache <value> is not successfully changed to cache … |
| 518 | Informational | Device <value>: cache size <value> MB is successfully changed to <value> MB. |
| 519 | Error | Device <value>: cache size <value> MB is not successfully changed to <value> MB. |
| 768 | Error | HA Device <value>: partner node <value> state has changed to "Unknown". |
| 769 | Informational | HA Device <value>: partner node <value> state has changed to "Synchronized". |
| 770 | Warning | HA Device <value>: partner node <value> state has changed to "Synchronizing". |
| 771 | Error | HA Device <value>: partner node <value> state has changed to "Not synchronized". |
| 772 | Error | HA Device <value>: current node state has changed to "Unknown". |
| 773 | Informational | HA Device <value>: current node state has changed to "Synchronized". |
| 774 | Warning | HA Device <value>: current node state has changed to "Synchronizing". |
| 775 | Error | HA Device <value>: current node state has changed to "Not synchronized". |
| 776 | Error | Failed to open image file [<value>]. |
| 777 | Informational | HA Device <value>: <value> connection IP <value> with partner node <value> established. |
| 778 | Warning | HA Device <value>: <value> connection IP <value> with partner node <value> lost. |
| 779 | Error | HA Device <value>: all <value> connection with partner node <value> lost. |
| 780 | Informational | HA Device <value>: <value> synchronization of partner node <value> started. |
| 781 | Warning | HA Device <value>: synchronization of partner node <value> cancelled. |
| 782 | Informational | HA Device <value>: synchronization of partner node <value> completed. |
| 783 | Informational | HA Device <value>: synchronization of partner node <value> failed. |
| 784 | Informational | HA Device <value>: <value> initial synchronization started. |
| 785 | Informational | HA Device <value>: initial synchronization complete. |
| 786 | Error | HA Device <value>: initial synchronization failed. |
| 787 | Informational | HA Device <value>: current node synchronization started, synchronizer is partner node <value>. |
| 788 | Informational | HA Device <value>: current node synchronization complete, synchronizer is partner node <value>. |
| 789 | Error | HA Device <value>: current node synchronization failed, synchronizer is partner node <value>. |
| 790 | Error | HA Device <value>: current node passed to "Not synchronized" state. The reason is underlying storage I/O operation(s) failed. |
| 791 | Error | HA Device <value>: current node passed to "Not synchronized" state. The reason is synchronization connection(s) with partner <value> were lost. |
| 792 | Error | HA Device <value>: current node passed to "Not synchronized" state. The reason is it was switched to partner node <value>. |
| 793 | Error | HA Device <value>: restore of current node after synchronization failed, synchronizer is partner node <value>. |
| 794 | Informational | HA Device <value>: accepted "SwitchPartner" command, <value> partner would be switched with <value>3. |
| 795 | Error | HA Device <value>: "SwitchPartner" command failed, unable to process request at partner <value> side. |
| 796 | Error | HA Device <value>: unable to revert "SwitchPartner" command changes at partner <value> side. |
| 797 | Informational | HA Device <value>: <value> partner was successfully switched. |
| 798 | Error | HA Device <value>: current node passed to "Not synchronized" state. The reason is synchronization partner <value> channel has been disconnected due to timeout on local underlying storage device. |
| 823 | Error | HA Device <value>: current node passed to "Not synchronized" state. The reason is node has lost quorum. |
| 799 | Error | HA Device <value>: current node passed to "Not synchronized" state. The reason is node has been abandoned by <value> partner. |
| 800 | Error | HA Device <value>: current node passed to "Not synchronized" state. The reason is local snapshot failed. |
| 801 | Error | HA Device <value>: current node passed to "Not synchronized" state. The reason is local deletion failed. |
| 802 | Error | HA Device <value>: current node passed to "Not synchronized" state. The reason is remote and local write requests have been completed with different statuses. |
| 803 | Warning | HA Device <value>: starting changed blocks tracker<value> |
| 804 | Warning | HA Device <value>: terminating changed blocks tracker<value> |
| 805 | Warning | HA Device <value>: purging changed blocks tracker journals<value> |
| 806 | Error | HA Device <value>: asynchronous replication has been stopped due to a critical error: <value>. |
| 807 | Warning | HA Device <value>: the number of snapshots in the replication queue exceeds the threshold, which is <value>. |
| 808 | Error | HA Device <value>: asynchronous replica does not support flat storages anymore. Recreate it, please. |
| 809 | Warning | HA Device <value>: command "<value>". Underlying device response time is longer than expected. Response time is <value>. |
| 824 | Warning | HA Device <value>: command "<value>". Partner "<value>" request response time is longer than expected. Response time is <value> |
| 825 | Warning | HA Device <value>: command "<value>". Request execution time is longer than expected. Response time is <value>. |
| 810 | Error | HA Device <value>: unable to finish initial synchronization properly: can not create an initial state snapshot, try to create it manually. |
| 811 | Error | HA Device <value>: client connection '<value>' has been rejected because of license restrictions. |
| 812 | Warning | HA Device <value>: critical device response time has been detected. (IO operation delay is more than <value> sec). To avoid performance issues on the whole device, automatic synchronization attempts will be performed every <value>3 minute(s). |
| 813 | Warning | HA Device <value>: critical device response time has been detected. (IO operation delay is more than <value> sec). To avoid performance issues on the whole device, automatic synchronization attempts will be disabled. |
| 814 | Error | HA Device <value>: connection attempt to the partner node "<value>" has failed, due to authentication error! Please check partner's CHAP/MCHAP parameters. |
| 815 | Informational | HA Device <value>: partner node "<value>" has been added successfully. |
| 816 | Informational | HA Device <value>: partner(s) node "<value>" has been removed. |
| 817 | Warning | HA Device <value>: current node has been restored manually. |
| 819 | Warning | HA Device <value>: maintenance mode is turned <value> for current node. |
| 821 | Warning | HA Device <value>: maintenance mode is turned ON for current node. |
| 822 | Warning | HA Device <value>: maintenance mode is turned OFF for current node. |
| 820 | Error | HA Device <value>: maintenance mode operation is rolled back for current node. |
| 818 | Warning | HA Device <value>: maintenance mode is turning <value><value> |
| 1024 | Error | Failed to open mirror header file '<value>'. Error code <value>. |
| 1025 | Informational | Mirror device <value>: synchronization is started. |
| 1026 | Error | Mirror device <value>: synchronization is finished with error: active mirror '<value>' is invalid. |
| 1027 | Error | Mirror device <value>: synchronization is finished with error: passive mirror '<value>' is invalid. |
| 1028 | Informational | Mirror device <value>: synchronization is finished successfully. |
| 1029 | Error | Mirror device <value>: synchronization is finished with error (code <value>). |
| 1031 | Warning | Mirror device <value>: active mirror switched to '<value>'. |
| 1032 | Error | Mirror device <value>: mirror '<value>' failed. |
| 1280 | Error | Failed to open CDP device <value>. Error code <value>. |
| 1281 | Informational | IBV device <value>: switching journal<value> |
| 1282 | Warning | IBV device <value>: switch journal command is not supported on this device. |
| 1283 | Informational | IBV device <value>: journal switching is completed. A new journal file is <value>. |
| 1284 | Error | IBV device <value>: journal switching failed. Error code <value>. |
| 1285 | Warning | IBV device <value>: client does not support VSS. Snapshot may be inconsistent. |
| 1286 | Informational | IBV device <value>: journal merge process is started. Merging journal #<value> with journal #<value>. Journal ID is mentioned according to SnapshotRegistry. |
| 1287 | Informational | IBV device <value>: journal merge process is completed. |
| 1288 | Error | IBV device <value>: journal merge process failed. NtStatus = <value>. |
| 1289 | Warning | IBV device <value>: client may have incorrectly finished last snapshot creation process. Snapshot creation process is cancelled. |
| 1290 | Warning | IBV device <value>: Journal switching process in progress. You can't create a new snapshot now. Please wait. |
| 1291 | Warning | IBV device <value>: Not enough free disk space! |
| 1292 | Warning | IBV device <value>: journal switching is cancelled, because there are no changes made in the IBV volume since the last switching. |
| 1536 | Informational | DD device <value>: snapshot flush command. |
| 1537 | Warning | DD device <value>: snapshot flush command is not supported on this device. |
| 1538 | Informational | DD device <value>: snapshot flushing is completed. Current session ID is <value>. |
| 1539 | Error | DD device <value>: snapshot flushing failed. Error code <value>. |
| 1540 | Warning | DD device <value>: client does not support VSS. Snapshot may be inconsistent. |
| 1541 | Warning | DD device <value>: client may have incorrectly finished the last snapshot creation process. Snapshot creation process is cancelled. |
| 1542 | Informational | DD device <value>: snapshot flushing failed, because there are no changes made to data on the disk since the last flush. |
| 1543 | Warning | DD device <value>: snapshot creation process is in progress. You can't create a new snapshot now. Please wait. |
| 1797 | Warning | DD device <value>: replication target <value> synchronization failed. Error code … |
| 1796 | Informational | DD device <value>: replication target <value> synchronization is started. |
| 1792 | Informational | DD device <value>: replication to target <value> is started from LBA - … |
| 1793 | Error | DD device <value>: replication target <value> is unavailable. |
| 1794 | Informational | DD device <value>: replication target <value> is available. |
| 1795 | Informational | DD device <value>: replication target <value> reconnection is started. |
| 1798 | Informational | DD device <value>: replication to target <value> is stopping<value> |
| 1799 | Warning | DD device <value>: replication to target <value> has been stopped. |
| 1800 | Warning | DD device <value>: replication: low disk space on target <value>. |
| 1801 | Error | DD device <value>: replication: Not enough free space on target <value>. |
| 1802 | Error | DD device <value>: replication target <value> medium error. |
| 1803 | Error | DD Device <value>: remote storage is offline. |
| 1804 | Warning | DD Device <value>: remote storage is online. |
| 1805 | Warning | DD device <value>: replica not found on storage <value>. |
| 1806 | Warning | DD device <value>: incompatible replica found on storage <value>. |
| 1807 | Informational | DD device <value>: starting to switch the replication target. |
| 1808 | Error | DD device <value>: replication target has been switched to storage <value>. |
| 1809 | Error | DD device <value>: replication target switching failed. Error code <value>. |
| 1810 | Warning | DD Device <value>: metadata is broken or not found! Device will be opened in the Read-Only mode! |
| 1811 | Error | DD device <value>: replication target <value> is write-protected! |
| 2304 | Warning | You are running out of free space on storage <value>. Affected devices: <value>. |
| 1812 | Informational | LSFS Device <value>: <value> snapshot creation has been started. |
| 1813 | Error | LSFS Device <value>: failed to create snapshot <value>, error code <value> |
| 1814 | Informational | LSFS Device <value>: snapshot <value> has been created with uid <value> |
| 1815 | Informational | LSFS Device <value>: <value> (uid: <value>3) snapshot deletion has been started. |
| 1816 | Informational | LSFS Device <value>: failed to delete Snapshot <value> (uid: <value>3), Error Code <value>. |
| 1817 | Informational | LSFS Device <value>: Snapshot <value> (uid: <value>) has been deleted. |
| 1818 | Warning | LSFS device <value>: Low free space on storage '<value>ls'. |
| 1819 | Error | LSFS device <value>: Out of free space on storage '<value>ls'. |
| 1820 | Informational | LSFS device <value>: Free space available on storage '<value>ls'. |
| 1821 | Informational | LSFS device <value>: Flush failed, Error Code <value>. |
| 4352 | Informational | VTL device <value>: Tape '<value>' created successfully. |
| 4353 | Error | VTL device <value>: Failed to create the tape '<value>'. Error code <value> |
| 4354 | Error | VTL device <value>: Tape '<value>' failed to read block. Error code '<value>'. |
| 4355 | Error | VTL device <value>: Tape '<value>' failed to write block. Error code '<value>'. |
| 4096 | Error | GetQueuedCompletionStatus returned Error <value>, File = '<value>'. |
IMPORTANT NOTE: Starting from 14869 build, the LSFS device feature was excluded and deprecated. Please remove all Asynchronous replicas and LSFS devices before the update to 14869 build. See more information in the release notes: https://www.starwindsoftware.com/release-notes-build