kern/64433: vinum: mirrored volume stopped responding when one of it's subdisk failed to write

[Greg 'groggy' Lehey]

The following reply was made to PR kern/64433; it has been noted by GNATS.

From: Greg 'groggy' Lehey <grog at FreeBSD.org>
To: Dmitry Kazarov <kazarov at willcom.ru>
Cc: freebsd-gnats-submit at FreeBSD.org
Subject: Re: kern/64433: vinum: mirrored volume stopped responding when one of it's subdisk failed to write
Date: Sat, 20 Mar 2004 08:40:35 +1030

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 On Thursday, 18 March 2004 at 11:51:12 -0800, Dmitry Kazarov wrote:
 >
 > At the time of daily periodic scripts (3:01 am) alot of write ops
 > failed on plex located on Ava (da1) and whole (!) volume became
 > unavailable and server stopped responding because it's a /var file
 > system.  Server was revived by hardware reset (at 10:07 am). Kernel
 > was alive (consoles switched, network worked), but Ctrl-Alt-Del did
 > not worked.
 
 Is this bug repeatable?  I've seen a number of cases where media
 problems caused results like this, but I don't know where they come
 from.  Currently I suspect a disk driver problem.
 
 If this problem isn't repeatable, then there's not much we can do with
 it.
 
 Greg
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