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@centos.org http://lists.centos.org/mailman/listinfo/centos