1. install KB903650 for extended maintenance mode if its not windows 2003 SP2.
2. If quorum - change the quorum drive destination ( KB280353)
3. Bring entire cluster group offline
4. Only bring corresponding drive resource onlne.
5. run command - cluster.exe . res "%disk_name%" /maint:on
6. perform chkdsk for specified %disk_name%
7. run command to bring the disk out of extended maintenance mode - cluster.exe . res "%disk_name%" /maint:off
instead of on you can use 1, for off 0.
