[Xen-users] DRBD+Xen anyone?

[Steven Timm <timm@xxxxxxxx>]

Has anyone been able to successfully make a cross-replicating
file system with DRBD?  I have two
different use cases:

1) a file system to store a cache of credentials that can
be written to and read from by two active Xen instances, one
on physical machine A and the other on physical machine B.
The file cache could be on either machine or on a third machine
if necessar.

2) A file system to be the back end for a stateful Web Services
server, with a second mirrored file system being kept up
such that if the first one goes down, the second one can mount it
and pick it up by means of linux-HA heartbeat or some other
failover mechanism.

If anyone has successfully managed to blend the DRBD modules
with the Xen patches, please let me know.
Thanks

Steve Timm


--
------------------------------------------------------------------
Steven C. Timm, Ph.D  (630) 840-8525
timm@xxxxxxxx  http://home.fnal.gov/~timm/
Fermilab Computing Division, Scientific Computing Facilities,
Grid Facilities Department, FermiGrid Services Group, Assistant Group Leader.

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