Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
Hi, On 03/06/2012 11:34 AM, Kaloyan Kovachev wrote: > Yes. You may use floating IP for DRBD and have one instance (IP) in site A > and another in site B for each service. > Do not use the service IP as floating IP as you will have problems moving > the service from A to B. > > If A1 is active, you have the DRBD_A1 IP on that node, wich will move to > A3 in case of failure before the service ... now you have DRBD_A1 and the > service running on A3 over DRBD_A1, while DRBD_B1 will run undependable on > B1 or B3. > Now your A site goes down - you promote DRBD_B1 to primary and start A1 > service on B1 over DRBD_B1. interesting. So you suggest that A1 should DRBD-sync with B1 at all times etc.? Keep in mind that this is shared storage we're talking about here, no local disks in either A1 *or* B1. I believe DRBD could be made to operate thus, but there might be performance issues. Cheers, Felix