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 <icici...@gmail.com> wrote: >On Wed, Dec 26, 2012 at 11:47 PM, Atıf CEYLAN <meh...@atifceylan.com> 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 encounter a split brain problem. I had asked the first >> question for this very reason. I have a similar problem with GlusterFS. But >> drbd and ocfs2 are block device level software, I think so that won't be >> problematic as GlusterFS. >> Also please, could you make "reply all"? >> >> >> I haven't used ocfs2 so I can't comment on it, but from what I could read >it handles split brain situations better than gfs2 and doesn't require >fencing. The gfs2, as an alternative to ocfs2, apart from fencing requires >cman configuration as well. But you say you are not happy with your tests >with ocfs2 ... >I would say the best place for your question is the Linbit drbd mailing >list. I'm sure you'll find more competent answers there from people using >various setups in production. >At the end of the day there isn't any 100% secure option in the free >software world. If you want it, you need to spend some money on hardware >appliance like NetApp lets say or Veritas or similar. > > >> On 26/12/2012 2:35 PM, "Atıf CEYLAN" <meh...@atifceylan.com> wrote: >> >> 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 great working under the real load. ocfs2 is best >> solution for me. Because I have many small files and GlusterFS and NFS can >> not great work with many small files (or many write operations). When ocfs2 >> use be without drbd, it does go haywire at any fault or crash situation. So >> I want to try ocfs2+drbd. >> >> On Wed, 2012-12-26 at 12:02 +1100, Igor Cicimov wrote: >> >> Then you dont need cluster at all do you. Or maybe you dont understand >> what cluster really means and provides. If you just need apps running on >> two nodes without any management software then use simple load balancing. >> Maybe even a NAS providing nfs mount for the mail storage instead of drbd. >> >> >> >> >>
