The non-SAN option would be to use DRBD (http://www.drbd.org) and put
NFS, Samba, etc on top of the DRBD partition.
Chris
MARTI, ROBERT JESSE wrote:
You don't have to have a mirrored LVM to do what youre trying to do.
You just need a common mountable share - typically a SAN or NAS. It
shouldn't be too hard to configure (and I've already done it). You
don't even *have* to have cluster suite - if you have a load balancer.
My brain isn't fast enough today to figure out how to share a load
without a load balanced VIP or a DNS round robin (which should be easy
to do as well).
Rob Marti
Systems Analyst II
Sam Houston State University
-----Original Message-----
From: linux-cluster-bounces@xxxxxxxxxx
[mailto:linux-cluster-bounces@xxxxxxxxxx] On Behalf Of Daniel Maher
Sent: Monday, March 31, 2008 12:40 PM
To: linux-cluster@xxxxxxxxxx
Subject: (newbie) mirrored data / cluster ?
Hello all,
I have spent the day reading through the mailing list archives, Redhat
documentation, and CentOS forums, and - to be frank - my head is now
swimming with information.
My scenario seems reasonably straightforward : I would like to have two
file servers which mirror each others' data, then i'd like those two
servers to act as a cluster, whereby they serve said data as if they
were one machine. If one of the servers suffers a critical failure, the
other will stay up, and the data will continue to be accessible to the
rest of the network.
I note with some trepidation that this might not be possible, as per
this document :
http://www.redhat.com/docs/manuals/enterprise/RHEL-5-manual/en-US/RHEL51
0/Cluster_Logical_Volume_Manager/mirrored_volumes.html
However, i don't know if that document relates to the same scenario i've
described above. I would very much appreciate any and all feedback,
links to further documentation, and any other information that you might
like to share.
Thank you !
--
Daniel Maher <dma AT witbe.net>
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