Thanks for the replies; here's a summary of my conclusions so far. Yes
this is a big system. I'm building a 32 node Beowulf system for
particle physics research and galactic modelling. (Physics and
Astronomy Department!) We're starting with 576GB of disk space, and
will be adding 288GB before December and more later. This will be a
RAID 5 arrangement, with hot swap capability, redundant power
supplies, and a UPS system set to shut down the disk systems cleanly.
Hope I've thought of everything.
There's nothing wrong with level 0 backup followed by incrementals; in
fact, I wouldn't even consider a full backup more than once a month.
The data will actually be fairly unchanging once it's on the system,
and the users will not like being offline very often. I expect a few
'battles' over system maintenance vs research priorities.
I'll get the scsi specs from ADIC, and work with scsi-changer or mtx.
If the system doesn't work well, ADIC has offered to support driver
development, so I'd be back to this list for advice and education.
Thanks,
Michael
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Dr. Michael J. Rensing | http://wwwhep.phys.uvic.ca/~michael
| mailto:[EMAIL PROTECTED]
Physics and Astronomy | phone: 250-721-7741
University of Victoria | fax: 250-721-7752
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