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

On Mon, 31 Mar 2008 14:17:59 -0500 Chris Harms <chris cmiware com>

> The non-SAN option would be to use DRBD (http://www.drbd.org) and put 
> NFS, Samba, etc on top of the DRBD partition.

Thank you for your reply.

On this topic, consider this paper by Lars Ellenberg :

Where he notes the following :
"The most inconvenient limitations is currently that DRBD supports only
two nodes natively."

While this is not a problem in my theoretical two-server setup, should
we wish to add a third server in the future (which i find highly
likely), then DRBD will no longer be an appropriate solution.

Furthermore, that same paper seems to suggest that DRBD is best used in
a primary / secondary relationship, whereas i'm suggesting an
"all-primary" sort of setup.

Daniel Maher <dma AT witbe.net>

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