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- Subject: Re: HELP: Testing a Quantum SCSI harddisk.
- Message-ID: <Dp9GB7.F2q@avalon.chinalake.navy.mil>
- From: Dave Bower <bower>
- Date: Wed, 3 Apr 1996 00:35:30 GMT
- Sender: usenet@avalon.chinalake.navy.mil (NAWS news admin)
- References: <50077815@wbmt41.wbmt.tudelft.nl> <4jnrts$qum@gazette.engr.sgi.com>
- Organization: NAWS, China Lake, CA
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-
- Disks from various vendors have been voodoo to me. I have encountered
- numerous disks from different vendors (hp, seagate, quantum, DEC) that have
- suddenly exhibited degraded performance. I've tried using SYSDIAG on them and
- talking to the Response Center. No luck. They fsck just fine. The only way I
- can tell they are hurting is that they respond slowly in a script I wrote to
- simply write and delete files of various sizes. When a disk shows degraded
- performance, it's typically 5 times slower than a well-behaved disk. Over the
- past 3 years, I've had about 10 disks "become slow". Any ideas as to how to
- diagnose the problem?
-
- Thanks,
-
- Dave
-
-