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[Xen-users] Storage questions

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] Storage questions
From: Antoine Benkemoun <antoine@xxxxxxxxxxxxx>
Date: Wed, 11 Feb 2009 15:53:59 +0100
Delivery-date: Wed, 11 Feb 2009 06:55:57 -0800
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I am looking to set up a Xen array of servers and I don't really know how to set up the storage subsystem.

I have been looking for a little while and two options stand out for my setup. The problem is rather simple, I need a pool of servers to access a shared storage ressource.

The first option is the easiest, NFS.

The second option is a little more complex in appearance. I won't be able to have enough budget to buy a SAN so that is out of the question. What I could do is have a storage server with a bunch of disks. I would GNBD (or some other Network Block Driver) coupled with GFS. I am pretty new to these two concepts. I know that GNBD cannot be used alone if I want more then a single server to access the storage space.

What is more interesting with performance in mind ?

Thank you in advance for your input,

Antoine Benkemoun
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