APAR status
Closed as program error.
Error description
After successful virtual machine (VM) backups using IBM Spectrum Protect for Virtual Environments - Data Protection for VMware version 8.1.11.0 the VMware vCenter warns that the consolidation for some but not all of the backed up VM disks fails. For example, a warning event is listed by the VMware vSphere Client monitor stating: Virtual machine disks consolidation failed. Subsequent backups of the affected VMs will be successful but then also cause the following warning to be written to the data mover node error log: ANS2718W The virtual machine 'VM_Name' requires snapshot consolidation. A following manual snapshot consolidation for these disks using VMware administrative interfaces like the VMware vSphere Client may again fail if dsmc or dsmagent processes from the VM backup operation are still running. ======================= Diagnosing the issue: The vmware.log file for the affected guests will show messages like the following for the snapshot consolidation: [DATE]T[TIME]Z.......|.....: DISK: Failed to open disk for consolidate '/vmfs/volumes/.................................../VM_Name/DISK _NAME-SNAPID.vmdk' : Failed to lock the file (.....) .... In an IBM Spectrum Protect Client service and vddk trivia trace there will be messages for opening the VM disks to backup. For example, there will be a message like the following for each disk: [date] [time] [012345] [6789] : ..\..\common\vm\vmvddksdk.cpp(1950): vddksdkOpen: Opening disk '[datastore_name] vm_name/disk_name.vmdk' Towards the end of the backup operation there should be messages for closing the VM disks, for example for each disk: [date] [time] [012345] [6789] : ..\..\common\vm\vmvddksdk.cpp(1368): VixDiskLib: VixDiskLib_Close: Close disk. If the number of "VixDiskLib_Close: Close disk" messages is less than the number of "vddksdkOpen: Opening disk" messages, then this APAR applies. ======================= Affected product versions: IBM Spectrum Protect for Virtual Environments - Data Protection for VMware version 8.1.11.0 on Windows and Linux ======================= Initial Impact: Medium ======================= Additional Keywords: tsm tsmve TS004612112 | MDVREGR 8.1.11.0 5725TVEVM |
Local fix
Follow the "Resolving The Problem" section in the article "VMware snapshot consolidation failure due to virtual machine file lock" (https://www.ibm.com/support/pages/node/267727) which describes a similar symptom due to a different root cause. Manually remove the lock, for example by rebooting the data mover host and contact IBM support.
Problem summary
**************************************************************** * USERS AFFECTED: * * Data Protection for VMware 8.1.11 running on Windows and * * Linux platforms. * **************************************************************** * PROBLEM DESCRIPTION: * * See ERROR DESCRIPTION * **************************************************************** * RECOMMENDATION: * * This issue is projected to be fixed in the Data Protection * * for VMware version 8.1.12 on Windows x64 and Linux x86 * * platforms. * * Note that this is subject to change at the discretion of * * IBM. * ****************************************************************
Problem conclusion
Now all handles of disks are closed correctly.
Temporary fix
Comments
APAR Information
APAR number
IT35694
Reported component name
TSM FOR VE DP V
Reported component ID
5725TVEVM
Reported release
81W
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2021-01-26
Closed date
2021-02-25
Last modified date
2021-02-25
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Modules/Macros
dsmc
Fix information
Fixed component name
TSM FOR VE DP V
Fixed component ID
5725TVEVM
Applicable component levels
[{"Line of Business":{"code":"LOB26","label":"Storage"},"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SS8TDQ","label":"Tivoli Storage Manager for Virtual Environments"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"81W"}]
Document Information
Modified date:
27 February 2021