On Oct 28, 2005, at 8:08 AM, Nix, Robert P. wrote:
Is there a properly intelligent filesystem and driver that can
handle a read-write filesystem across multiple zLinux images?
We're trying to install the set of Tivoli products, using zLinux as
the server for many of the pieces, and the folks doing the install
have come to a piece that says it will run on zLinux, but requires
R/W access to a specific directory from all servers participating
in the cluster. The Tivoli people want to do the HA install, and so
would want / need this directory on a filesystem that can be R/W to
multiple zLinux guests.
I am unaware of any viable solution. NFS doesn't cut it, because
the NFS server could go down. Are there any alternatives?
As Alan said, use a cluster filesystem. AFS handles the multiple-
writer problem and multiple-server problems, but it may or may not be
what you're looking for. My knowledge of other distributed
filesystems is minimal.
Adam
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