Date: Thu, 5 Mar 1998 23:17:54 -0600 From: Karl Denninger <karl@mcs.net> To: David Kelly <dkelly@hiwaay.net> Cc: scsi@FreeBSD.ORG Subject: Re: SCSI low level format, good or bad Message-ID: <19980305231754.48585@mcs.net> In-Reply-To: <199803060027.SAA11083@nospam.hiwaay.net>; from David Kelly on Thu, Mar 05, 1998 at 06:27:00PM -0600 References: <karl@mcs.net> <199803060027.SAA11083@nospam.hiwaay.net>
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On Thu, Mar 05, 1998 at 06:27:00PM -0600, David Kelly wrote: > Karl Denninger writes: > > On Mon, Mar 02, 1998 at 06:06:27AM -0600, David Kelly wrote: > > > Karl Denninger writes: > > > > > > > > I've seen a non-trivial number of disks come off the factory line with > > > > non-optimal formats. I don't know if its a temperature tolerance thing o > > r > > > > what, but this has been my experience. > > > > > > What do you consider a non-optimal format? > > > > One which generates errors after short periods of being online (small numbers > > of unrecoverable block errors), among other things. Then there is the > > entire mode page issue. > > Come to think of it, problems like this could be due to a noisy or poor > power supply. Often they get noisier (electrically) when they get hot. On one disk out of a half-dozen on the same power supply? :-) (PS: Yes, I've checked that, and no, its not the problem) :-) -- -- Karl Denninger (karl@MCS.Net)| MCSNet - Serving Chicagoland and Wisconsin http://www.mcs.net/ | T1's from $600 monthly to FULL DS-3 Service | NEW! K56Flex support on ALL modems Voice: [+1 312 803-MCS1 x219]| EXCLUSIVE NEW FEATURE ON ALL PERSONAL ACCOUNTS Fax: [+1 312 803-4929] | *SPAMBLOCK* Technology now included at no cost To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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