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Yes . At present , DRBD doesn't allow concurrent writes . But , it is in agenda of DRBD devolopers .Message: 4 Date: Wed, 04 Jan 2006 18:15:28 +0100 From: Juraj Bednar <[EMAIL PROTECTED]> Subject: Re: [Ocfs2-users] Ocfs2-users Digest, Vol 25, Issue 1 To: shashi <[EMAIL PROTECTED]>, [email protected] Message-ID: <[EMAIL PROTECTED]> Content-Type: text/plain; charset=UTF-8; format=flowed Hello,You can do data replication over the network (RAID-1 over network) . DRBD (www.drbd.org) is the right solution for you . It will work with OCFv2 also .well, are you sure? According to this FAQ entry: http://wiki.linux-ha.org/DRBD/FAQ#head-a39a43203ed93af71065d2a7b36b0db089207cbdAccording to this, DRBD does not allow concurrent writes from different nodes.
Or you mean something like doing DRBD for backing the data up and iSCSI/GNBD/NBD/ENBD for actually sharing the DRBD device?
You can use DRBD for Mirroring , backup and replication .
There is a good support for DRBD from Linux-HA . You can combine Linux-HA with DRBD to build a true cluster.RAID-1 over network is a good idea, but I need some, that is cluster-aware (because of write ordering) and allows writes from all nodes...
Or am I completely wrong here? Juraj.
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