On Thu, 2009-06-18 at 15:28 +0200, Rainer Duffner wrote: > Coert Waagmeester schrieb: > > On Fri, 2009-06-12 at 22:59 +0200, Giuseppe Fuggiano wrote: > > > >> 2009/6/11 Coert Waagmeester <lgroups at waagmeester.co.za>: > >> > >>> Hello all, > >>> > >> Hi, > >> > >> > >>> At our office a have a server running 3 Xen domains. Mail server, etc. > >>> > >>> I want to make this setup more redundant. > >>> > >>> There are a few howtos on the combination of Xen, DRBD, and heartbeat. > >>> That is probably the best way. > >>> > >> I am using a combination of DRBD+GFS. Since v8.2, DRBD [1] can be > >> configured in dual-primary mode [2]. You can mount your local > >> partitions in r/w mode using a Distributed Lock Manager and GFS. It > >> works pretty well in my case, both my partitions are correctly > >> replicated at device block level. Please, note that with this > >> solution you have to configure a fence device to preserve the file > >> system integrity. The DRBD documentation contains everything you need > >> to realize this solution. > >> > >> [1] http://www.drbd.org/users-guide/ > >> [2] http://www.drbd.org/users-guide/s-dual-primary-mode.html > >> > >> Cheers > >> > > > > Hello, > > > > Thanks, I will give this a bash, trying to set up GFS now. (very hairy!) > > > > What is you guys opinion on OCFS and GlusterFS? Or am I better off > > sticking with GFS? > > > > > > > Have it setup by someone who knows what he's doing and who can bail you > out in case it goes boom. > > Otherwise, you just introduce another layer (or two) of complexity that > gives you no additional uptime over the one a simple-setup, solid server > from HP/IBM/Sun (or maybe even Dell) + a UPS will give you. > > What were your primary reasons for outages over the last two years? > > > Rainer > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos We have not really had major outages yet... Most of our stuff is already at least RAID 1 (even Windblows) I might just be a little too paranoid. I have decided that at first I will be going for the DRBD solution. With the current hardware I have it will be the easiest solution. Have any of you guys used GlusterFS or OCFS yet?