[feb]

I have situation where I have dual VIO servers. I have rootvg and an appvg defined for my clients from both VIO servers so that I can perform mirroring in the clients. When I reboot one of the VIO servers, the rootvg partitions go stale, so I just execute varyonvg rootvg to re-sync them. The problem is with the appvg. When I try to perform commands on appvg all I get is:
0516-034 : Failed to open VG special file.

The only ways I found to recover is to either reboot the client or unmount all the filesystems, varyoff the appvg and then varyon the appvg.

Does anyone know the cause of this or have a solution?