On Wed, Aug 06, 2008 at 03:48:12PM +0200, Domenico Viggiani wrote: > * Pasi Kärkkäinen wrote: > > > > Is it possible to resize (grow) dm-multipath devices on the > > fly nowadays? > > > > I googled and found some discussions about the subject, but > > the conclusion seemed to be it's not possible.. that was a > > while ago, so I was wondering if this has been fixed/implemented.. > > > > Using LVM and adding another new LUN/PV is not an option > > always.. it's a lot easier to manage the whole thing if it's > > possible to resize/grow existing LUNs on the fly. > > Nowadays all disk-arrays make online LUN extension a breeze but > unfortunately it seems that dm-multipath is still not able to see new size > without downtime: > http://www.redhat.com/archives/dm-devel/2007-August/msg00205.html > Look also at this recent thread on RHEL5 mailing-list where you can find > also a post from a Red Hat representative: > http://www.redhat.com/archives/rhelv5-list/2008-July/msg00267.html > > Sure, you can just add a new LUN, pvcreate and vgextend but it is not a > viable solution because it causes LUN proliferation. > > Sincerely, I'm still subscribed to this mailing-list only to see if someone > solve this SHAME! > It's a feature that Linux really needs. > > Hope someone pick this cry of pain! > Thanks for the reply. Does someone know what's the actual problem in this? meaning why it hasn't been done yet.. -- Pasi -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
