[Linux-cluster] (newbie) mirrored data / cluster ?

[Chris Harms]

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 at redhat.com
> [mailto:linux-cluster-bounces at redhat.com] On Behalf Of Daniel Maher
> Sent: Monday, March 31, 2008 12:40 PM
> To: linux-cluster at redhat.com
> Subject: [Linux-cluster] (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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