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Date:      Mon, 2 Apr 2001 10:22:12 +0930
From:      Greg Lehey <grog@lemis.com>
To:        Kirk Strauser <kirk@strauser.com>
Cc:        freebsd-fs@freebsd.org
Subject:   Re: My Vinum heart attack
Message-ID:  <20010402102211.B25226@wantadilla.lemis.com>
In-Reply-To: <87g0fsi1i2.fsf@pooh.honeypot>; from kirk@strauser.com on Sun, Apr 01, 2001 at 07:33:41PM -0500
References:  <87vgooi7kz.fsf@pooh.honeypot> <20010402082816.J77617@wantadilla.lemis.com> <87g0fsi1i2.fsf@pooh.honeypot>

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On Sunday,  1 April 2001 at 19:33:41 -0500, Kirk Strauser wrote:
>
> At 2001-04-01T22:58:16Z, Greg Lehey <grog@lemis.com> writes:
>
>>> During the reboot-into-single-user
>>> process, I watched in abject horror as vinum started, tried to read
>>> its configuration, didn't like what it found, and TOTALLY WIPED
>>> everything in /dev/vinum (including subdirectories).
>
>> This is a feature, not a bug.  Don't confuse a device node (in /dev)
>> with the device itself.
>
> I didn't suppose that it was a bug - just a nerve-wrecking response to a set
> of input data.
>
>>> After regaining consciousness, I realized that I had a live tape
>>> backup online, so I restored /dev/vinum,
>
>> You shouldn't have done that.
>
> What would've been the proper response?  I don't have a log of the errors
> (/var/log/vinum_history has nothing, and neither does /var/log/messages),
> but they were along the lines of:
>
>   Could not create /dev/vinum/plex - directory already exists
>
> or something very similar.  The end result was an empty /dev/vinum.  'vinum
> list' gave a huge dump of invalid volumes, plexes, subdrives, and
> drives.

It would have been useful to see this dump.

Greg
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