Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
Pada 6 Mac 2012 6:57 PTG, Kaloyan Kovachev <kkovachev at varna.net> menulis: >> 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. > > Again Yes. Performance will be lower and protocol A with DRBD Proxy may be > required, but again if the SAN does not provide native cross-site > replication, there is not much else to do ... rsync from a snapshot is one > i can think of, but even from the currently inactive node (A3) the > performance will suffer and additionally there will be delay in > synchronization and possible data loss, so DRBD is still better. addendum: what i want to do is storage failover since email service's clustering is handled by zimbra-cluster and rgmaner + cman on centos the reason we're using drbd is because we have no budget for remote mirroring which requires 2 SAN routers on current network setup -- Regards, Umarzuki Mochlis http://debmal.my