Dave wrote: > Hi Patrick, > > Thanks for clarifying the status of LVM1 (ie. *not* a clustering tool). That's > somewhat surprising since it does include an LVM script in the resource.d directory. > In any case, we're not in a huge rush to upgrade to LVM2 unless it really is > necessary, as these are RH AS3 boxes running the 2.4.21-47.ELsmp kernel, and the > docs I've read suggest LVM2 really needs/wants to run under a 2.6.x kernel. Yes. there are device-mapper patches for 2.4 but it's really recommended to run 2.6. > If direct-io to metadata could be set as an option under LVM1, assuming that isn't > the default, that would be helpful. But, it sounds like no one really wants to > support LVM1 anymore?! That's true. lvm1 is in maintenance mode for RHEL3. > Assuming we want to go forward with an upgrade to LVM2 on the current systems, how > involved is that procedure? Do we risk losing all our data? No. lvm2 can read and write lvm1 metadata. you can upgrade it to lvm2 format metadata with a single command (vgconvert) -- patrick _______________________________________________ linux-lvm mailing list linux-lvm@redhat.com https://www.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/