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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

  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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