On Thu, 2008-01-24 at 10:12 -0500, Lon H. Hohberger wrote: > On Wed, 2008-01-23 at 21:28 -0500, Jeff Wasilko wrote: > > > Yup, we have a SAN. > > > > > With software RAID (or plain LVM), the general rule is: > > > > > > Do not use a md set or LVM volume group on shared storage *unless* only > > > one node ever assembles that volume-group / raid-set at a time. > > > > Which would be the case when LUNs were being failed over from node > > to node in an active-passive environment. > > > > The docs all seem to flatly state that mirroring and cluster aren't supported. > > Is this something that redhat's support organization is willing to support > > at this point? > > http://sources.redhat.com/cgi-bin/cvsweb.cgi/cluster/rgmanager/src/resources/lvm.sh?rev=1.1.2.7&content-type=text/x-cvsweb-markup&cvsroot=cluster&only_with_tag=RHEL46 > > Big link ;) > > Ok, so... > > <lvm name="myLV" vg_name="VolGroup01" lv_name="LogVol01"/> > > This looks like an earlier version of the agent, which only supports one > LV per VG at a time. > > I've asked the author to write a wiki page on it... My knowledge of it > is pretty cursory. I've started this: http://sources.redhat.com/cluster/wiki/LVMFailover It's nothing more than I've told you so far, but it's a start. -- Lon -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster
