Cannot remove powerpath because device busy error messages
Article ID: 100000944
Updated On:
Resolution
When trying to remove powerpath for upgrading, you encounter device busy at the hdisk level. You can reboot to clear this up but if you cannot this procedure will allow youto clear this situation.
Shutdown Applications
Shutdown the application on all systems that share the same disks. Make sure all disk groups utilizing Powerpath are stopped
and offlined.
#vxclustadm stopnode #
/etc/rc.d/rc2.d/S97vxfenstop Vary off LVMvolume groups that are using the EMC disks
Remove all hdiskpower devices (not the hdisks) :
#vxdisk list | grep hdiskpower | while read disk junk; do; vxdisk rm $disk;done #lsdev -Cc disk | grep hdiskpower | while read disk junk; do; rmdev -dl $disk;done Validate all hdiskpower devices are gone
#lsdev -Cc disk | grep hdiskpower (should have no output).
Uninstall Powerpath
#installp -u EMCpower* At this point you can continue to uninstall powerpath and upgrade.
Foradditional information see article Document ID: 321329
Unable to remove powerpath even after stopping all the vxvm volumes
Issue/Introduction
Cannot remove powerpath because device busy error messages
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