APAR status
Closed as program error.
Error description
After applying the fix for APAR IT37049 incremental-forever incremental (ifincr) backups of VMware virtual machines (VMs) continue to fail with: (dsmerror.log) ANS9921E Virtual machine disk, VM_NAME (Hard Disk x), verification check failed (nnnnn/mmmmm). If the disk is on an NFS datastore and the disk size was recently changed or the disk was moved from non-NFS datastore to NFS datastore, the verification failure is expected and a full backup is required. ANS9919E Failed to find the expected control files for VM_NAME. ANS4174E Full VM backup of VMware Virtual Machine 'VM_NAME' failed with RC=7327 mode=Incremental Forever - Incremental, target node name='DAT_CENTER_NODE_NAME', data mover node name='DATA_MOVER_NODE_NAME' An incremental-forever full (iffull) backup is then needed to create a valid backup of the affected VM. But the same VM will again be affected during subsequent ifincr backups. Iffull backups can lead to exceeded backup windows, increased utilization of network and storage resources, and impact to other non-backup workload. ======================= Affected product versions: IBM Spectrum Protect for Virtual Environments - Data Protection for VMware version 8.1.12.1 on all supported Windows and Linux platforms ======================= Additional Keywords: QueryAllocatedBlocks qab tsm tsmve cbt TS005581815 | MDVPARTL 8.1.12.1-TIV_5725TVEVM | IT37049
Local fix
Disable CTL verification by setting the Client option VMVERIFYIFlatest to NO. Note: VMVERIFYIFlatest is a high-level "integrity check" of CTL and bitmap file, but it does not do a deep scan of backup data. It offers some level of validation, but VMVERIFYIFLATEST is not intended to replace normal DR testing, such as full VM restore tests, file restore tests, instant access tests, and verifying that applications in the VM are working properly.
Problem summary
**************************************************************** * USERS AFFECTED: * * IBM Spectrum Protect for Virtual Environments Data * * Protection for VMware versions 8.1.11 and 8.1.12 running on * * all Microsoft Windows x64 and Linux x86 platforms. * **************************************************************** * PROBLEM DESCRIPTION: * * See ERROR DESCRIPTION * **************************************************************** * RECOMMENDATION: * * This issue is projected to be fixed in the Data Protection * * for VMware Data Mover version 8.1.13 on Windows x64 and * * Linux x86 platforms. * * Note 1: This is subject to change at the discretion of IBM. * ****************************************************************
Problem conclusion
The verification code has been updated to work with Vmware QueryAllocatedBlocks data.
Temporary fix
Comments
APAR Information
APAR number
IT37872
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
2021-08-04
Closed date
2021-09-15
Last modified date
2021-09-15
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Modules/Macros
dsmagent
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:
16 September 2021