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VM backup failed with status 6

shahriar_sadm
Level 6

‎01-17-2017 05:51 AM - edited ‎01-17-2017 05:51 AM

Hi dear all, for VMs backup I added vcenter in virual machine backup section in NBU, I have 20 ESXi server, all backups was ok before 10 days ago, when I changed ESXi 19 network interface card (FCOE) all machine hosted on this server failed with status 6. I think NIC WWN or MAC address cached on NBU or VM backup host.

Thanks

01/17/2017 15:32:49 - Info bptm (pid=1708) start backup
01/17/2017 15:32:49 - Info bptm (pid=1708) Waiting for mount of media id 000329 (copy 1) on server VM-BKP-HST
01/17/2017 15:32:50 - Info bpbkar32 (pid=2484) INF - Backing up vCenter server vcenter, ESX host , BIOS UUID 423424434-01519-cae1-e575-0775d4069e5, Instance UUID 5034549849-7a504-1ae5d-3212-1e20993bb0f7, Display Name VM, Hostname IP
01/17/2017 15:33:05 - Error bpbrm (pid=3320) from client IP: ERR - Error opening the snapshot disks using given transport mode: san Status 23

01/17/2017 15:33:06 - Info bpbkar32 (pid=2484) bpbkar waited 0 times for empty buffer, delayed 0 times.
01/17/2017 15:33:09 - Error bpbrm (pid=3320) could not send server status message
01/17/2017 15:33:11 - Critical bpbrm (pid=3320) unexpected termination of client IP
01/17/2017 15:33:11 - Info bpbkar32 (pid=0) done. status: 6: the backup failed to back up the requested files
the backup failed to back up the requested files (6)

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2 REPLIES 2

JoseGomez
Level 3

‎01-18-2017 11:35 AM

Based on your own thoughts "I think NIC WWN or MAC address cached on NBU or VM backup host.":

PBX caches hostname entries. If a stale host cache entry is believed to be causing a NetBackup problem, the bpclntcmd can be used to display the cached IP address associated with the hostname or cached hostname associated with the IP address. 

bpclntcmd -hn <hostname> 

bpclntcmd -ip <ip_address>   

If the returned value differs from those shown by operating system tools – such as ping and traceroute and tracert - the local host cache should be cleared.  To recreate the cache entry, simply display the name/IP mapping again using either bpclntcmd or the Host Properties within the administrative console.

NetBackup 7.6 will also display stale cache entries in the bptestnetconn output.

See https://www.veritas.com/support/en_US/article.TECH136792

See https://vox.veritas.com/t5/NetBackup/Disable-client-server-host-cache-on-netbackup/td-p/676100

 

JoseGomez
Level 3
In response to JoseGomez

‎01-18-2017 11:36 AM

Related to WWN see:

How to determine the HBA WWN related content for a Linux based server using systool and vxdmpadm

https://www.veritas.com/support/en_US/article.000064614