Date: Fri, 29 Jan 1999 21:11:36 +0000 From: Karl Pielorz <kpielorz@tdx.co.uk> To: Jerry Raynor <jerryr@ComCAT.COM> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: Hard Drive Cranks Contsantly Message-ID: <36B22408.2160CF95@tdx.co.uk> References: <Pine.GSO.4.02A.9901291445370.3471-100000@uw>
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Jerry Raynor wrote: > > Recently it seems my hard drive is constantly cranking. I do a 'ps' > nothing unussual is running. I'm wondering if the hard drive needs to be > defragged?? Has anyone had this problem? Is there anything I can check > that would cause this? FreeBSD FFS is 'self defragging' provided you have enough free space left on the drive (~ 10%?) - the 'silenced' system I run here (whisper fan, quiet drives etc.) still 'chuckles' (OK, you think of a better word to describe it!) occasionally... I'm guessing it's either Syslog activity, pager acitivty (swapping out really old pages to disk), or something to do with the syncer process (in other words I don't really know :) All I do know is _all_ systems do it, even my laptop (which is why I have turned off power saving on the IDE drive - it was pointless)... It's perfectly normall... Heck, even some of the newer IDE drives do it - I have 2 WD caviars that (and this is confirmed by the instruction book with them) 'sweep' the drive slowly over time... You can prove this by plugging them into power, but no controller and just waiting... :) -Kp To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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