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 http://sourceware.org/cluster/ddraid/ -- Axel.Thimm at ATrpms.net
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