From: Sverker Wiberg <Sverker.Wiberg@uab.ericsson.se>
To: linux-kernel@vger.kernel.org
Subject: Re: PROBLEM: knfsd misses occasional writes (w/ WORKAROUND)
Date: Fri, 17 May 2002 14:32:36 +0200 [thread overview]
Message-ID: <ac39uu$pv$2@main.gmane.org> (raw)
In-Reply-To: 3CE4DD8C.69C34A1B@uab.ericsson.se
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Sverker Wiberg wrote:
> Over here, we started to log the conversations, and saw the client
> opening a file, writing 272 bytes into it (one write), and then closing
> it, with the server replying full success all the time. printk()'s in
> knfsd and the vfs's generic_write() also reported that 272 bytes had
> been successfully written. Yet the file was truncated.
>
> We switched from soft to hard mount: It didn't help. We are now
> experimenting with disabling SCSI's disconnect/reconnect feature. Are
> there any more straws to grasp at?
With one single knfsd thread running, the problem went away (for a price
in performance). This seems to indicate there is some kind of race
between the knfsd threads.
/Sverker
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next prev parent reply other threads:[~2002-05-17 16:07 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-05-15 12:12 PROBLEM: knfsd misses occasional writes Sverker Wiberg
2002-05-15 12:18 ` Neil Brown
2002-05-16 10:49 ` Sverker Wiberg
2002-05-16 11:39 ` Neil Brown
2002-05-16 16:48 ` Sverker Wiberg
2002-05-16 20:34 ` G Sandine
2002-05-17 10:38 ` Sverker Wiberg
2002-05-17 12:32 ` Sverker Wiberg [this message]
2002-05-17 12:32 ` PROBLEM: knfsd misses occasional writes (w/ WORKAROUND) Sverker Wiberg
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