Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
TOTWARE wrote: > Hello everybody, > > I've configured a DRBD resourde (8.2.6 on ubuntu 8.04 lts) as a > Physical Volume for LVM2. DRBD is configured with "allow two > primaries" starting the 2nd node as "secondary". Everything works > like a charm. > > I want to make on-line, hot backups of running virtual machines (vmware). > I wonder if I could do the following with any consistency weakness: > > 1st) Do a LVM snapshot on 1st node of one of its LV (where the running VM live) > 2nd) Promote the 2nd node to be PRIMARY > 3rd) Activate LV snapshot on 2nd node with "lvchange" > 4th) Mount the snapshot and perform off-site backups to tape or other disks. > 5th) Set the things back to 1st node =primary and 2nd node=secondary. Maybe I am wrong, but if I understand your intentions correctly, you are totally off track. You don't want to do this. I strongly suggest that you go back and review the differences between regular LVM and CLVM, and also review what the DRBD User's Guide says about dual-Primary mode and when it make sense to use it and when it doesn't. Sorry. Cheers, Florian -- : Florian G. Haas : LINBIT Information Technologies GmbH : Vivenotgasse 48, A-1120 Vienna, Austria When replying, there is no need to CC my personal address. I monitor the list on a daily basis. Thank you. DRBD® and LINBIT® are registered trademarks of LINBIT.