On Mon, Jan 27, 2003 at 03:42:13PM -0500, Joseph Kezar wrote: > I have a single shared SCSI JBOD. And it makes up my VolumeGroupMailData. > > It is mounted read/write by only 1 node at any given time. This is strictly > enforced. > > Although, at boot both nodes vgchange -a y the Volume Group. > So it is picked up in vgscan as an active VG on node1 and node2 > I am aware if I need to make a change, like adding a Logical Volume, > Extending/Reducing a Logical Volume, or adding/subtracting a physical volume > that the volume must be deactivated on the secondary node(in my case node > 2). > > If everything goes well enforced, am I still in trouble or at risk of data > corruption? If you are careful it should be fine. What you must always remember to do is "vgchange -an" on the secondary node before doing the metadata changes, then a "vgscan;vgchange -ay" on that node after the metadata changes. -- patrick _______________________________________________ linux-lvm mailing list linux-lvm@sistina.com http://lists.sistina.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/