AFAIK Clusterware doesnt know about mounting and dismounting filesystems so are we still talking about Clusterware...? Thanks On Tue, Feb 23, 2010 at 12:26 AM, David Ballester <ballester.david@xxxxxxxxx > wrote: > > > 2010/2/22 LS Cheng <exriscer@xxxxxxxxx> > >> Hi >> >> You can use OCFS2 if you wish but basically you need some sort of Cluster >> Filesystem or Volume Manager such as ASM. >> >> I dont mention OCFS2 because introducing two clustering software (OCFS2 >> and CRS) for a Single instance Active Passive solution is a bit too much in >> my opinion that is why I said you are forced to use ASM (runs on top of >> CRS). >> >> Thanks >> >> > Or not use ocfs2 or any cluster filesystem, the only node that needs to > have mounted the filesystems is the active one > > If you try to mount a non cluster filesystem in another node while is > mounted in a first one, the other node should answer 'partition used' or > something similar ( prevents corruption ) > > when switching from nodes, as part of the automatic process, one node > should umount and the other mount ( may be fsck first ) > > > Regards > > > D. > >