Sounds like this might do the trick--
http://datafarm.apgrid.org/document/
-Aaron
Brent A Nelson wrote:
I, too, have been on a long quest for the holy grail of 100% uptime.
Yes, Lustre is suited for this better than most. Lustre itself won't
do the replication, though, although they are planning just such a
feature in the future. You can use Lustre combined with drbd (for
network mirroring) or a SAN and some heartbeating software (such as
Heartbeat) for failover of the services.
However, you would have at least some sort of delay during the
failover; it would not be instantaneous. I don't know how quick you
can make it.
Thanks,
Brent Nelson
Director of Computing
Dept. of Physics
University of Florida
On Thu, 8 Feb 2007, Darek wrote:
Hello!
I'm looking good cluster fs for a while and I'm very sad that I didn't
found any solution with 100% failproof. Only one I know now its
googleFS, but its closed project, used by google, not open source. I'm
,ooking for a cluster file system with replicating - in simple
example:
10 nodes, each with hard disk. Each stripe is residing always on 2 or
more node. So I can power off any 1 node on any time, and clients have
100% stability - there is no error/outage, 100% SPOF free. Can it be
done with Lustre?
--
Best regards,
Darek
All your base belong to Me.
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--
"Computers are incredibly fast, accurate and stupid;
humans are incredibly slow, inaccurate and brilliant;
together they are powerful beyond imagination."
--Albert Einsten
Aaron Knister
Center for Research on Environment and Water
4041 Powder Mill Road, Suite 302; Calverton MD 20705
Office: (240) 247-1456 Fax: (301) 595-9790
http://crew.iges.org
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