From: Philip Molter <philip@corp.texas.net>
To: Mike Hardy <mhardy@h3c.com>
Cc: linux-raid@vger.kernel.org
Subject: Re: Software RAID & Filesystem Cache
Date: Thu, 05 Aug 2004 13:54:51 -0500 [thread overview]
Message-ID: <4112827B.2030402@corp.texas.net> (raw)
In-Reply-To: <4112731A.5030000@h3c.com>
> I'm honestly not trying to be a smart-ass by posting this since I
> haven't played with these *a single bit* - however, this was what I found:
>
> <berlin>/sys % find . | grep ahead
> ./block/hdf/queue/read_ahead_kb
> ./block/hdg/queue/read_ahead_kb
> ./block/hdc/queue/read_ahead_kb
> ./block/hda/queue/read_ahead_kb
>
> Maybe those are the appropriate knobs to twiddle? If so, it appears
> they've gone per-device, and they've moved to sysfs...
Thanks! Maybe that's why I couldn't find it. I was looking through
sysctl settings, which only run through /proc (I guess). I keep
forgetting /sys exists now.
Philip
next prev parent reply other threads:[~2004-08-05 18:54 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-05 17:49 Software RAID & Filesystem Cache Mike Hardy
2004-08-05 18:54 ` Philip Molter [this message]
2004-08-07 14:04 ` Philip Molter
-- strict thread matches above, loose matches on Subject: below --
2004-08-05 16:31 Philip Molter
[not found] ` <411268C7.9070804@h3c.com>
2004-08-05 17:34 ` Philip Molter
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