Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
Well, we are using active/active because we have configured Automatic High Availability as well as live migration... But could force it to be managed by hand if no other alternative exists... Thanks!, Jose. El 9 de febrero de 2012 19:39, José Román Bilbao <jrbcast at gmail.com>escribió: > Hi all, > > We have this scenario: > > - A datacenter > - 1 Server running kvm VMs: > * 1 Openfiler to distribute hard disk to other VMs (stores VMs and > VMs's data) and other uses > * Other VMs... > - DRBD configured to replicate Openfiler's volumes as primary > > - B datacenter > - 1 Server running kvm as backup for center A failure events > - DRBD configured to serve as backup of Openfiler so VMs can be > restarted in case of failure with updated data. It also works as primary. > > Both centers are connected through wireless connections (500 Mb/s) which > is good for our requirements. Nevertheless, there is a ping of 300 ms > because of multiple routers in whithin... > > We have been experiencing multiple split-brain situations and we don't > know why... perhaps the link is down for a while but I don't understand the > source of the problem as although they are primary-primary, one of the > servers should never write to disk as all machines are kept on datacenter > A, is this assumption right?, is this split-brain just "conceptual" telling > that network was lost but no real uncoherences have appeared?. Under such > asumption.. would it be ok to apply autorecover?. > > Any light on all this?, any alternatives?, any experience under such > scenario?. > > Thanks in advance, > > Jose > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.linbit.com/pipermail/drbd-user/attachments/20120211/9c080b10/attachment.htm>