Volume is mounted on two ServiceGuard nodes


 
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Operating Systems Linux Volume is mounted on two ServiceGuard nodes
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Old 02-21-2014
Volume is mounted on two ServiceGuard nodes

Hey! I'm running a HP ServiceGuard cluster with three nodes. One of the packages was moved (not by me) from one node to another a few weeks ago.

I just noticed that one of the volume groups is still mounted on the old node. Oops! When I run df, less space is used on the old node than the new.

What's the safest way to get rid of it on the old node with no corruption? Off the top of my head I'm thinking something along the lines of:

Code:
mount -oremount,ro VOLUME
umount VOLUME
vgchange -an VOLUME_GROUP

Any tips? Thanks!
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VOTEQUORUM_LEAVING(3)				    Corosync Cluster Engine Programmer's Manual 			     VOTEQUORUM_LEAVING(3)

NAME
votequorum_leaving - Tell other nodes that we are leaving the cluster SYNOPSIS
#include <corosync/votequorum.h> int votequorum_leaving(votequorum_handle_t handle); DESCRIPTION
The votequorum_leaving function is used to tell the other nodes in the cluster that this node is leaving. They will (when the node actually leaves) reduce quorum to keep the cluster running without this node. This function should only be called if it is known that the node is being shut down for a known reason and could be out of the cluster for an extended period of time. Normal behaviour is for the cluster to reduce the total number of votes, but NOT expected_votes when a node leave the cluster, so the clus- ter could become inquorate. This is correct behaviour and is ther eto prevent split-brain. Do NOT call this function unless you know what you are doing. RETURN VALUE
This call returns the CS_OK value if successful, otherwise an error is returned. ERRORS
The errors are undocumented. SEE ALSO
votequorum_overview(8), votequorum_initialize(3), votequorum_finalize(3), votequorum_dispatch(3), votequorum_fd_get(3), corosync Man Page 2009-01-26 VOTEQUORUM_LEAVING(3)