From: spam@streefland.xs4all.nl (Dick Streefland)
To: linux-raid@vger.kernel.org
Subject: Re: resync on every raidstart
Date: Sat, 27 Sep 2003 21:25:00 -0000 [thread overview]
Message-ID: <2572.3f76002c.42323@altium.nl> (raw)
In-Reply-To: 13ef.3f75a413.f153f@altium.nl
spam@streefland.xs4all.nl (Dick Streefland) wrote:
| I did some more tests, and it looks like my problem may be related to
| SMP. When I setup a RAID1 array on my SMP machine, the component
| devices stay "dirty", but when I do the same on an UP machine, the
| state is "clean". However, when I boot the SMP machine with "nosmp",
| or boot a non-SMP kernel, the problem persists. Both machines run a
| 2.6.0-test5 kernel (with your oops fix from 2003-09-12), and have
| mdadm-1.3.0.
It turns out that the problem is not related to SMP, but to
CONFIG_PREEMPT. I built two identical kernels for a non-SMP machine,
except for CONFIG_PREEMPT. With the CONFIG_PREEMPT kernel, the state
is dirty, with the other kernel, the state is clean.
--
Dick Streefland //// De Bilt
dick.streefland@xs4all.nl (@ @) The Netherlands
------------------------------oOO--(_)--OOo------------------
prev parent reply other threads:[~2003-09-27 21:25 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-09-21 18:05 resync on every raidstart Dick Streefland
2003-09-23 6:47 ` Neil Brown
2003-09-23 20:43 ` Dick Streefland
2003-09-27 14:52 ` Dick Streefland
2003-09-27 21:25 ` Dick Streefland [this message]
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