Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
On 11/23/2010 07:15 PM, J. Ryan Earl wrote: > Short answer is: No. > > In general, you should not handle active-active DRBD devices with RHCS. > You only want to handle DRBD devices that are active only on one node > at a time in RHCS (at least with CentOS/RHEL5 I haven't checked 6 yet). > Basically if the DRBD device changing to active is a dependency of a > service (ie you have an ext4 filesystem on the DRBD device) that must be > active and mounted. Think of DRBD as just shared storage in the > active-active case, you treat it as you would say a SAN or iSCSI LUN > block device. If you were worried about connectivity to shared storage, > you could setup a quorum disk as one of the LVs on top of the DRBD PV. Also I would recommend to use CLVM on top of primary/primary DRBD. -- Jakov Sosic