Date: Sat, 30 Jan 1999 12:30:44 +1030 From: Greg Lehey <grog@lemis.com> To: Jerry Raynor <jerryr@ComCAT.COM> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: Hard Drive Cranks Contsantly Message-ID: <19990130123044.D8473@freebie.lemis.com> In-Reply-To: <Pine.GSO.4.02A.9901291445370.3471-100000@uw>; from Jerry Raynor on Fri, Jan 29, 1999 at 02:48:38PM -0500 References: <Pine.GSO.4.02A.9901291445370.3471-100000@uw>
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On Friday, 29 January 1999 at 14:48:38 -0500, Jerry Raynor wrote:
> Recently it seems my hard drive is constantly cranking.
What do you mean by ``constantly''? For that matter, what do you mean
by ``cranking''?
> I do a 'ps' nothing unussual is running. I'm wondering if the hard
> drive needs to be defragged??
No!!
> Has anyone had this problem? Is there anything I can check that
> would cause this?
I suppose a lot depends on exactly what you're observing. You could
try running iostat:
$ iostat 1
tty fd0 wd0 wd2 cpu
tin tout KB/t tps MB/s KB/t tps MB/s KB/t tps MB/s us ni sy in id
128 470 0.00 0 0.00 8.00 52 0.40 0.00 0 0.00 11 0 6 1 82
1 544 0.00 0 0.00 4.30 53 0.22 0.00 0 0.00 5 0 6 0 88
0 535 0.00 0 0.00 3.30 59 0.19 0.00 0 0.00 4 0 2 1 94
This outputs statistics every second. Ignore the first line, it's an
average since the machine was booted.
Greg
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