On Thu, 2009-06-11 at 17:14 +0200, Rainer Duffner wrote: > Coert Waagmeester schrieb: > > Hello all, > > > > > > 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. > > > > Another option I am looking at is a piece of shared storage, > > a machine running CentOS with a large software RAID 5 array. > > > > How large? > Depending on the size, RAID6 is the better option (with >=1TB disks, the > rebuild can take longer than the statistical average time another disk > needs to fail). I am starting with 4 1TB SATA disks. With RAID 6 that will give me 2 TB right? > > > > What is the best means of sharing the storage? > > I would really like to use a combination of an iSCSI target server, and > > GFS or OCFS. > > > > > > > If you don't already do GFS (and have been doing so for years), I'd say > you better only do it in a configuration that is either supported by > RedHat (e.g. with RHEL) or some competent 3rd-party that can help you > over the pitfalls. > Else you are on your own, with only the GFS mailinglist, yourself and > your keyboard ;-) > Will OCFS be easier? > > > > > Rainer > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos