SMSQL verify fails because of timeout during mounting Snapshot

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Views:: 201

Visibility:: Public

Votes:: 6

Category:: snapmanager-for-microsoft-sql-server

Specialty:: legacy

Last Updated:

Applies to

SnapManager for Microsoft SQL Server (SMSQL) 7.2.3
SnapDrive for Windows (SDW) 7.1.5

Issue

SMSQL verify fails because of timeout during mounting Snapshot.
SMSQL backup report shows that it fails to mount Snapshot with Unspecified error 0x80004005.

[<HOST>] *** VERIFY DATABASE AFTER BACKUP

[<HOST>] Collecting verification information... [<HOST>] Getting database backup information from SnapInfo file... [<HOST>] Running verification from local server.... [<HOST>] Mounting Snapshot [<Snapshot>] for [<DRIVE_LETTER>] of Computer [<HOST>] [<HOST>] SnapManager will use directory [PATH>] to mount snapshot [<Snapshot>] [<HOST>] Mount point directory [PATH>] [<HOST>] Snapshot will be mounted on directory [<PATH>]

[<HOST>] Starting SDAPI mount snapshot... [<HOST>] Preparing LUN '<DRIVE_LETTER>', for SDAPI operation... [<HOST>] Mounting snapshot: <Snapshot> [<HOST>] Snapshot mount failed. [<HOST>] [SDAPI Communication Exception]: Timeout has occurred while waiting for disk arrival notification from the operating system.

[<HOST>] SDAPI failed to mount snapshot. [<HOST>] [SDAPI Communication Exception]: Timeout has occurred while waiting for disk arrival notification from the operating system.

[<HOST>] Error Code: 0x80004005 Unspecified error

[<HOST>] *** VERIFY DATABASE AFTER BACKUP

[<HOST>] Starting SDAPI mount snapshot...

[<HOST>] Preparing LUN '<DRIVE_LETTER>', for SDAPI operation... [<HOST>] Mounting snapshot: <Snapshot> [<HOST>] Snapshot mount failed. [<HOST>] [SDAPI Communication Exception]: Failed to connect LUN on some or all non-owner nodes. Please check event log for more details.

[<HOST>] SDAPI failed to mount snapshot. [<HOST>] [SDAPI Communication Exception]: Failed to connect LUN on some or all non-owner nodes. Please check event log for more details.

[<HOST>] Error Code: 0x80004005 Unspecified error

Snpdrvdbg.log shows timeout is detected after retrying to scan devices in rescanAndWaitForDeviceArrival().

PID:<PID> TID:<TID> DiskMountInfo.cpp@2238 Start rescanAndWaitForDeviceArrival() PID:<PID> TID:<TID> rescanable_scsi_entity.cpp@10 Start rescanSCSIBusByDeviceName(), deviceName: \\.\Scsi0:. PID:<PID> TID:<TID> rescanable_scsi_entity.cpp@22 Finish rescanSCSIBusByDeviceName() PID:<PID> TID:<TID> rescanable_scsi_entity.cpp@10 Start rescanSCSIBusByDeviceName(), deviceName: \\.\Scsi1:. PID:<PID> TID:<TID> rescanable_scsi_entity.cpp@22 Finish rescanSCSIBusByDeviceName() PID:<PID> TID:<TID> rescanable_scsi_entity.cpp@10 Start rescanSCSIBusByDeviceName(), deviceName: \\.\Scsi3:. PID:<PID> TID:<TID> rescanable_scsi_entity.cpp@22 Finish rescanSCSIBusByDeviceName() PID:<PID> TID:<TID> rescanable_scsi_entity.cpp@10 Start rescanSCSIBusByDeviceName(), deviceName: \\.\Scsi2:. PID:<PID> TID:<TID> rescanable_scsi_entity.cpp@22 Finish rescanSCSIBusByDeviceName()

PID:<PID> TID:<TID> System.cpp@3697 Start CSystem::diskFound .. PID:<PID> TID:<TID> System.cpp@3729 Finish CSystem::diskFound: FALSE PID:<PID> TID:<TID> DiskMountInfo.cpp@2238 Start rescanAndWaitForDeviceArrival()

..

PID:<PID> TID:<TID> System.cpp@3729 Finish CSystem::diskFound: FALSE PID:<PID> TID:<TID> localerror.cpp@82 Is_VDS_ITF_Error(): false. PID:<PID> TID:<TID> localerror.cpp@94 Is_WMI_ITF_Error(): false. PID:<PID> TID:<TID> DiskMountInfo.cpp@2261 Timeout has occurred while waiting for disk arrival notification from the operating system. HRESULT 0xc004027c.

Note: This error can be seen in Snpdrvdbg.log for other nodes when it is Windows cluster configuration.