how to Deactivate a shared Volume

[Gene L. Huft]

This is basically where I'm stuck at from last post....I cannot seem to 'unshare' a shared volume group. I've tried:
# vgchange -c n /dev/vg_ops

vgchange: The volume group "/dev/vg_ops" is active on this system.
Cannot perform requested change.

OK, I'LL DEACTIVATE IT:

# vgchange -a n /dev/vg_ops
vgchange: Failed to notify clvm daemon about volume group deactivation - Device busy
Couldn't deactivate volume group "/dev/vg_ops":
Device busy

HMMMM....how/why is it active? Nothing is mounted & the Oracle is not up (the only thing that WAS using vg_ops)

Where do I go from here?

[Uday_S_Ankolekar]

vgchange -a y /dev/vgnn then do vgchange -c n /dev/vgnn

Also try with fuser to see what process is holding it..

-USA..

[Gene L. Huft]

# vgchange -a y /dev/vg_ops
vgchange: Activation mode requested for the volume group "/dev/vg_ops" conflicts with configured mode.

# vgdisplay -v vg_ops
vg
--- Volume groups ---
VG Name /dev/vg_ops
VG Write Access read/write
VG Status available, shared, server
.....

[K.C. Chan · Accepted solution]

This usually means some proc is using the one of the lvol in the volume group. You can find out which proc is using it via fuser. After finding out which proc, then you can decide whether to terminate it or not. Assuming you termintated the proc, you can proceed with your vgchange.

[Gene L. Huft]

Bingo....I actually figured it out before I read Chan's reply - but he's exactly right...there was one rogue Oracle process I overlooked that was still running....once I killed it I was able to deactivate, etc.

Thanks!