Re: ocfs2+drbd two-primary

2012-12-26 Thread Atif Ceylan
Yes I have encountered some issues on ocfs2 but these were not split-brain problems. Also my problems reasons were about the SPOF. So I want to use Drbd. I will join to drbd maillist and ask this subject on there again. Thanks, Igor Cicimov wrote: >On Wed, Dec 26, 2012 at 11:47 PM, Atıf CEYL

Re: ocfs2+drbd two-primary

2012-12-26 Thread Igor Cicimov
On Wed, Dec 26, 2012 at 11:47 PM, Atıf CEYLAN wrote: > ** > On Wed, 2012-12-26 at 23:12 +1100, Igor Cicimov wrote: > > Maybe try heartbeat if tou are after something simple. Using dual primary > though without fencing is asking for trouble, split brain and lost od data. > > Yes. maybe I will enc

Re: ocfs2+drbd two-primary

2012-12-26 Thread Atıf CEYLAN
On Wed, 2012-12-26 at 23:12 +1100, Igor Cicimov wrote: > Maybe try heartbeat if tou are after something simple. Using dual > primary though without fencing is asking for trouble, split brain and > lost od data. > Yes. maybe I will encounter a split brain problem. I had asked the first question f

Re: ocfs2+drbd two-primary

2012-12-25 Thread Atıf CEYLAN
You are saying me that use HA and you have a master file system and share from on it via NFS to the other server. is that right? I tried some scenarios about cluster. GlusterFS, NFS and OCFS2. My system daily load is very highly. It's over 50 million transactions daily. So nfs and glusterfs are not

Re: ocfs2+drbd two-primary

2012-12-25 Thread Atıf CEYLAN
Thanks for the answer. if I must do it, I don't want to use the HA (pacemaker or corosync). I should run on both server actively. There is a way for active-active cluster without any HA solution? Do I know incorrect thi? On Wed, 2012-12-26 at 00:43 +1100, Igor Cicimov wrote: > Check pacemaker the

ocfs2+drbd two-primary

2012-12-24 Thread Atıf CEYLAN
Hi all, I have Apache and Postfix+Dovecot are running on two debian servers. I want to use drbd+ocfs2 (or redhat gfs). I tried some configurations and fault scenarios on VM but I have data loss. Would you like suggest me best practice about drbd+cluster filesystem with two-primary mode? regard