Date: Tue, 28 Oct 1997 08:33:06 +0100 From: Poul-Henning Kamp <phk@critter.freebsd.dk> To: Babumpabajard <knollm@lafcol.lafayette.edu> Cc: cgull+usenet-877838850@smoke.marlboro.vt.us (john hood), hardware@freebsd.org Subject: Re: Harddrive powerdowns Message-ID: <288.878023986@critter.freebsd.dk> In-Reply-To: Your message of "Mon, 27 Oct 1997 18:42:52 EST." <3.0.32.19971027183611.00982930@lafcol.lafayette.edu>
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In message <3.0.32.19971027183611.00982930@lafcol.lafayette.edu>, Babumpabajard writes: >At 12:09 AM 10/26/97 -0400, you wrote: >>Mike Smith writes: >> > The wd driver times the operation out and retries it. AFAIR most >> > operations are tried at least 3 times before giving up. >> >>And in -current, the driver now waits longer (10s) before the first >>retry, eliminating those nattering errors. > >I can not figure out why my HD is spinning up so frequently. I set the >time down to 1 minute, with no one logged in, only process other than >defualt but sshd, and the system still reads. There's 48megs of RAM, so I >can't immagine it needs to swap. > >Is there a way to determine what is using my harddrive? You have set the update timer, right ? printout the blocknumber that fails because of the drive sleeping, learn about UFS on-disk-structures and work your way backwards... -- Poul-Henning Kamp FreeBSD coreteam member phk@FreeBSD.ORG "Real hackers run -current on their laptop."
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