Date: Fri, 30 Mar 2001 08:46:51 -0800 From: Hal Weaver <hweaver@pinetel.com> To: Matthew Emmerton <matt@gsicomp.on.ca> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: Slow, noisey hard drive activity Message-ID: <3AC4B87B.A2FCB938@pinetel.com> References: <3AC3A738.B73B0404@pinetel.com> <00d401c0b897$a88f25e0$0204a8c0@dfgh> <003501c0b89b$786a06b0$1200a8c0@gsicomp.on.ca> <3AC3FC42.9931CB96@pinetel.com> <003401c0b8ce$886e7d10$1200a8c0@gsicomp.on.ca>
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Matthew Emmerton wrote: > > > Matt, I don't get the ticking or the sluggish access with FreeBSD on the > > 1.2G hard drive where FreeBSD uses the whole drive. Nor do these > > symptoms occur on the 5G hard drive when I use the Win98 or the Native > > Oberon operating systems, or when I had Slackware 7.1 or SuSE 6.3 > > installed on the *nix partition. The problem seems unique to the > > FreeBSD installation on the *nix partition. > > Well, it could be that you've got a bad sector on the FreeBSD portion of the > drive, which is causing the drive to reset and reread the bad sector. > Depending on the drive mechanics, this could make a ticking sound as the > heads park themselves (well, maybe not park in the 80s hard drive sense, but > at least move off of the writeable surface) while the drive resets, and then > seek back to the bad location. > > I don't know if FreeBSD has any native tools to check for such errors and > mark them (a la DOS's scandisk), and since I'm guessing that these drives > are ATA, you can't use the controllers' "scan media for defects" option like > you can for SCSI drives. Matt, this sounds quite possible. This is an ATA drive. Do you have a hypothesis why the two Linux distribution that I installed on this partition didn't seem to be affected by a bad sector? Thanks. Hal To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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