Hello all,
I've been following the list for a couple of months trying to get a feel for
what people are using for hardware and the problems they've encountered, etc.
I'd like to ask for advice/direction on what hardware to purchase for the
following senario:
Here at Fermilab we also are heavily involved providing computing power for
the Sloan Digital Sky Survey (SDSS) which produces massive amounts of large (>
250Mb) data sets; the data rate is something like 5Mb/second. They're already
taken care of getting the data off the telescope, onto tapes, and into the
reduction machine (some big iron DEC 16 or 32 processor monster). However,
we're considering using a Quad Xeon Linux box to do some final analysis of the
data. This is what we're thinking of purchasing:
MB - SC450NX
CPU - 4-400MHz Xeons
RAM - 1Gb ECC
HD - 0.5 Tb (11-47Gb Seagate drives in an external rack)
Ether - EEPro 10/100 (onboard, right?)
SCSI - Onboard SYM53C896
Kernel - 2.1/2.2
I should mention that we're not worried about backup or RAID.
The things we're concerned about are >500 Gb disk, and the Symbios
controllers. Also, is there an advantage to using the AD450NX over the SC450NX?
This is primarily a CPU intensive machine: once a ~250Mb data set is loaded it
won't unload for a while (.5 or more hours) so I don't think I need to worry
terribly about IO (otherwise we'd consider big iron again: Sun, SGI, or
something).
Does this sound feasible, or should I run straight to my Sun rep?
Thanks, in advance.
Dan
_______________________________________________________________________________
Dan Yocum | Phone: (630) 840-8525
Computing Division OSS/FSS | Fax: (630) 840-6345 .~. L
Fermi National Accelerator Lab | email: [EMAIL PROTECTED] /V\ I
P.O. Box 500 | WWW: www-oss.fnal.gov/~yocum/ // \\ N
Batavia, IL 60510 | "TANSTAAFL" /( )\ U
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