IDE/SCSI RAID (fwd)

Robert G. Brown rgb at phy.duke.edu
Mon Apr 9 14:58:18 EDT 2001


As a final note to the IDE/SCSI RAID discussion we had a month or two
ago -- a friend of mine on campus got one (and promised to send me a
report on how it worked out).  Here is his report.  He probably wouldn't
mind answering a question or two on it, but you probably shouln't hammer
him.

Looks like it is a pretty good deal...

   rgb

-- 
Robert G. Brown	                       http://www.phy.duke.edu/~rgb/
Duke University Dept. of Physics, Box 90305
Durham, N.C. 27708-0305
Phone: 1-919-660-2567  Fax: 919-660-2525     email:rgb at phy.duke.edu



---------- Forwarded message ----------
Date: Fri, 6 Apr 2001 14:01:43 -0400 (EDT)
From: Joshua Baker-LePain <jlb17 at duke.edu>
To: Robert G. Brown <rgb at phy.duke.edu>
Subject: IDE/SCSI RAID

I just wanted to send a quick final "Thank you" for the IDE/SCSI RAID
suggestion, and let you know how it turned out.  I ended up buying a
SyneRaid-800T from Synetic -- 640GB (560 w/ RAID5) on a U2W bus for $6K.
It uses the same controller as the newer Zero-D system (G-Force), but it
doesn't look like a d*mn Mac.  ;)  Of course, it is Sun purple, but
still...

I'm consistently getting 25-30MB/s throughput to the system (and that's
with 5400RPM drives) -- I'll take it!  And it's pretty nifty to see this
(pay attention to that last entry):

[jlb at chaos jlb]$ df -k
Filesystem           1k-blocks      Used Available Use% Mounted on
/dev/sda1               155545     69487     78028  47% /
/dev/sda5             11954192   1968288   9378652  17% /scratch
/dev/sda9               101089      1958     93912   2% /tmp
/dev/sda7              2071384   1036296    929864  53% /usr
/dev/sda6              2071384    574672   1391488  29% /usr/local
/dev/sda10              101089     30100     65770  31% /var
/dev/sdb1              8262036   6913872    928468  88% /home
/dev/sdb2              9384708   7694308   1213672  86% /spare
philip:/data         560136176   5134640 555001536   1% /data

Thanks again!  You've saved me from grad students' whining about space.
Well, for 6 months at least (I hope).

-- 
Joshua Baker-LePain
Department of Biomedical Engineering
Duke University


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