Date: Fri, 20 Sep 2002 08:13:44 -0500 From: "Jaime Bozza" <jbozza@thinkburst.com> To: "'Greg 'groggy' Lehey'" <grog@FreeBSD.org> Cc: <freebsd-stable@FreeBSD.ORG> Subject: RE: vinum ad0h/ad0s1h issue Message-ID: <009201c260a7$8c356670$6401010a@bozza> In-Reply-To: <20020919051420.GH37454@wantadilla.lemis.com>
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>I think I now understand the problem here. Try the following patch
>and tell me if it solves the problem:
>
>--- vinumio.c 2 May 2002 08:43:44 -0000 1.52.2.6
>+++ vinumio.c 19 Sep 2002 05:10:27 -0000
Tried patch. System no longer reads ad0h/ad2h, but after the second
'vinum start', the system shows 0 drives ('vinum ld' lists nothing.)
The third 'vinum start' reads ad0s1h/ad2s1h again. Additional starts
cycle between the two (no drives, correct drives.)
>The problem here is that vinum_scandisk() tries to read from each
>slice. If it doesn't find any (for example, on a dedicated disk), it
>tries the compatibility slice. That normally works fine, but if all
>of the slices have already been read, it still falls through into this
>part. Removing it should solve your problem; the real solution is a
>little more complicated and involves recognizing that we already know
>this drive. I probably won't do that until I finally have the root
>file system running on Vinum, which will require mods in this same
>area.
Understandable. Personally, now that I know the issue I just make sure
that I unload vinum if I'm not going to reboot after doing work in
single-user mode. It's not like I'm constantly having to jump back
into single-user.
BTW, regarding my original problem with the filesystem corruption, it
hasn't returned. I'm going to figure it was some combination of
softupdates/ata-wc that caused the filesystems to be out of sync.
Thanks!
Jaime
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