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[Linux-cluster] Re: GFS usage for simultanous access / shared-nothing

On Tue, Jul 12, 2005 at 01:10:00AM +0200, Thomas Schwanhäuser wrote:
> I wonder if it's possible that two servers maintain an exact copy of
> a file system in a "shared-nothing-architecture". Unfortunately, I
> haven't seen any hint on that although having already read through
> Redhat's documentation on GFS 6.1.

GFS requires a shared block device.

> Can anyone confirm that or mention an URL with the corresponding parameters?
> The set-up I plan to do is with two machines, each having about 1TB
> of storage in a RAID5-setup. On both of the machines some services
> are running and of course they should have access to the same data
> at any time. Access is done on a file-by-level and it's unlikely
> that both machines want to access the same file at any given moment
> (if so, one should wait until the lock is released). If one of the
> machines crashes, operation on the 2nd one shall continue and upon
> rebooting the failed one should synchronize its discs and restart
> the services after successful rebuild.

Perhaps you are looking for something like
Axel.Thimm at ATrpms.net

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