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xen-users
RE: [Xen-users] Xen SAN Questions
Hello John,
To answer your questions:
>Well, first off, ask yourself why you're using a cluster filesystem in
>the first place. Do you have active-active writers on the same
>filesystem at the same time? If the answer is no, then get rid of GFS
>-- you don't need it.
The reason for this was so that I could have two Xen hosts using their local
storage but to also have it replicating between servers for backup purposes.
Maybe I was going about this the wrong way, but I wanted to have the ability to
use the large storage pool (created by the cluster) as a platform for storing
VMs as well as have it back everything up on two separate locations of disk.
>Second, what's this about DRDB *and* SAN? Are the disks shared (SAN)
>or DRDB (local RAID)?
To clarify, the disks themselves will be a RAID-5 local to each machine (1
array per machine, 2 in total) with DRBD running between to sort of RAID-1 them
over the network. Does that help? I want to take the local RAID from both
machines and turn it into a SAN.
I was wondering whether using DRBD and a cluster filesystem would work better
than using XFS+DRBD and exporting NFS.
Thanks for the quick response!
Best,
Tait
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