Date: Thu, 13 May 1999 10:02:36 +0100 From: Andrew Doran <ad@fionn.sports.gov.uk> To: Chuck Youse <cyouse@cybersites.com> Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: fsck and large file system Message-ID: <373A952C.4AFAA37C@fionn.sports.gov.uk> References: <Pine.LNX.4.10.9905121956501.8130-100000@ns1.cybersites.com>
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Chuck Youse wrote: > Whoa ... can anyone substantiate that this poor performance is typical > or atypical of DPT SCSI RAID controllers? This is atypical, however DPT HBAs are *very* touchy about termination and cabling. For instance, with two identical (old) Seagate Hawks on a SmartCache III, I get 2MB/s reads from one and 500kB/s from the other. At a minimum each drive's write cache should be disabled with dptmgr, since it causes problems with DPT HBAs. Andy. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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