Backup of a virtual machine fails with NetBackup error 6 and 23

Backup of a virtual machine fails with NetBackup error 6 and 23

Article: 100034022
Last Published: 2020-06-22
Ratings: 5 8
Product(s): NetBackup

Problem

The virtual machines in a VMware environment fail to backup with ERR - Error opening the snapshot disks using given transport mode: san Status 23 and status: 6: the backup failed to back up the requested files.

 

Error Message

Detailed Status shows as below:

Error bpbrm (pid=XXXX) from client CLIENT_NAME: ERR - Error opening the snapshot disks using given transport mode: san Status 23
Critical bpbrm (pid=XXX) from client CLIENT_NAME: FTL - cleanup() failed, status 6
Error bptm (pid=XXXX) media manager terminated by parent process
Info Storage_server_name (pid=XXXX) StorageServer=PureDisk:StorageServer_name; Report=PDDO Stats for (storage_server_name): scanned: 3 KB, CR sent: 0 KB, CR sent over FC: 0 KB, dedup: 100.0%, cache disabled
Critical bpbrm (pid=XXXX) unexpected termination of client CLIENT_NAME
Info bpbkar (pid=0) done. status: 6: the backup failed to back up the requested files
end writing; write time: 0:00:15
the backup failed to back up the requested files (6)

Debug VxMS log shows as below:
g_vixInterfaceLogger:libvix.cpp:1797 <DEBUG> : [VFM_ESINFO] VixDiskLib: VixDiskLib_ConnectEx: Advanced transport modes not    available for opening moref=vm-6262. (Cannot use advanced transport modes for xx.xx.xx.xx/moref=vm-6262/snapshot-11160: Cannot create directory     /tmp/vmware-root/42001d98-bc29-c184-9d7d-c517ffbed4c5-vm-6262.)
   vdConnect:VixInterface.cpp:1152 <DEBUG> : Adding SAN remap connection: 40478832
   g_vixInterfaceLogger:libvix.cpp:1797 <DEBUG> : [VFM_ESINFO] 2017-05-02T11:10:32.445+08:00 trivia -[7FA613FFF700] [Originator@6876 sub=ThreadPool] HandleWork() leaving
   vdConnect:VixInterface.cpp:1166 <DEBUG> : Done with ConnectEx(): 40478832

 

Cause

Corruption in the /tmp/vmware-root/ directory on the VMware Backup host.

 

Solution

Clear the contents of  /tmp/vmware-root/ from the VMware backup host and then retry the backups.

For Windows the path is "C:\Windows\TEMP\vmware-SYSTEM"

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