Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
On 11/15/2010 10:47 AM, Robert Dunkley wrote: > Hi, > > > Has anyone done this? > > I was planning as follows: > drbdadm detach resource So you're keeping it connected to the peer and go Diskless? I'm not sure that this is a good idea. > lvm > lvcreate newlv (Same size on different volume group) > dd if=/oldLV of=/newLV > change path in drbd.conf > drbdadm attach resource Sounds to me as if an adjust is in order before that. And that may not work as easily. > lvremove oldLV > > There are a couple of things I'm unsure of: > Will the method above copy the DRBD meta data and will DRBD know to > resynch? This should work as far as I can see it. > How can I ensure the LVM volume is the exact same size? (Or is it best > to just create the new LV 1 MB bigger) If memory serves correctly, the lv* commands can work with the "sectors" unit as well. When that's used, the accuracy should be appropriate. I'm not sure whether it's wise to do this kind of switch on-line, but it should be possible. Regards, Felix