VMware Solutions Discussions

VSC backup fails with IP-aliased qtrees (Datastores) on the same FlexVol

kevin_moser

I have following scenario:

  • one FlexVol with two Qtrees in it
    • /vol/v_nfs_esxdatastore_01/q_nfs_esxdatastore_01
      /vol/v_nfs_esxdatastore_01/q_nfs_esxdatastore_02
  • a VLAN with one IP-alias
    • ifgrp0-27: flags=0x6b4c863<UP,BROADCAST,RUNNING,MULTICAST,TCPCKSUM,NOWINS> mtu 1500
      inet 10.10.27.30 netmask 0xffffff00 broadcast 10.10.27.255
      inet 10.10.27.31 netmask 0xffffff00 broadcast 10.10.27.255
  • /etc/export
    • /vol/v_nfs_esxdatastore_01/q_nfs_esxdatastore_01 -sec=sys,rw,root=10.10.27.23:10.10.27.22:10.10.27.21
      /vol/v_nfs_esxdatastore_01/q_nfs_esxdatastore_02 -sec=sys,rw,root=10.10.27.23:10.10.27.22:10.10.27.21
  • Datastores are Mounted as folowed on all ESX Hosts (vSphere 5)
    • 10.10.27.30:/vol/v_nfs_esxdatastore_01/q_nfs_esxdatastore_01
      10.10.27.31:/vol/v_nfs_esxdatastore_01/q_nfs_esxdatastore_02

If I create a backup job in VSC 4.0 containing both Datastores the Backup Job fails. (Error: Not possible to rename Snapshot)

If I create a backup job containing only one Datastroe everything works fine. But I can't create multiple backup Jobs for each Datastroe because of the SnapShot count limit.

I also don't want to separate the Datastores (qtrees) on different FlexVols --> loose of efficient deduplication

The reason why I use IP-aliases is for better load balancing.

I suggest the problem is, that VSC doesn't recognize that these two Datastores are on the same Filer and FlexVol. I didn't find a description of this scenario in the VSC Administration Guide

Has anybody got an idea what i could do here?

1 REPLY 1

SEBASTIANL

Kevin,

          are you using a vfiler or is it the vfiler0?

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