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Date:      Mon, 21 Jan 2002 15:21:08 -0600
From:      Doug Poland <doug@polands.org>
To:        tony <tony@tntpro.com>
Cc:        questions@FreeBSD.ORG
Subject:   Re: faulty vinum plex, need help please
Message-ID:  <20020121152108.B18961@polands.org>
In-Reply-To: <CMENKLIECOJCDGNFIDPFIECFCCAA.tony@tntpro.com>; from tony@tntpro.com on Mon, Jan 21, 2002 at 04:07:12PM -0500
References:  <20020121145011.A16617@polands.org> <CMENKLIECOJCDGNFIDPFIECFCCAA.tony@tntpro.com>

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On Mon, Jan 21, 2002 at 04:07:12PM -0500, tony wrote:
> have you checked the size of each drive in disklabel? did all 4 really fdisk
> and label to 4314?
>
I put a 54MB swap partition on each drive.  That left me with 8628MB
free.  I divided by two to arrive at 4314 and used that number.

> I just put a size of 0 to use all available space to eliminate this
> potential
> 
Did you put the 0 in the vinum.conf?

-- 
Regards,
Doug

> 
> -----Original Message-----
> From: owner-freebsd-questions@FreeBSD.ORG
> [mailto:owner-freebsd-questions@FreeBSD.ORG]On Behalf Of Doug Poland
> Sent: Monday, January 21, 2002 3:50 PM
> To: questions@FreeBSD.ORG
> Subject: faulty vinum plex, need help please
> 
> 
> Hi,
> 
> I'm attempting to create a mirrored and striped vinum volume (raid10)
> using 4 identical SCSI disks.  Here's my /etc/vinum.conf:
> 
> drive a device /dev/da0s2e
> drive b device /dev/da1s2e
> drive c device /dev/da2s2e
> drive d device /dev/da3s2e
> 
> volume dataraid
>   plex org striped 512k
>     sd length 4314m drive a
>     sd length 4314m drive b
>     sd length 4314m drive c
>     sd length 4314m drive d
>   plex org striped 512k
>     sd length 4314m drive c
>     sd length 4314m drive d
>     sd length 4314m drive a
>     sd length 4314m drive b
> 
> When I do a # vinum list, it reports:
> 4 drives:
> D a                     State: up       Device /dev/da0s2e      Avail:
> 0/8628 MB (0%)
> D b                     State: up       Device /dev/da1s2e      Avail:
> 0/8628 MB (0%)
> D c                     State: up       Device /dev/da2s2e      Avail:
> 0/8628 MB (0%)
> D d                     State: up       Device /dev/da3s2e      Avail:
> 0/8628 MB (0%)
> 
> 1 volumes:
> V dataraid              State: up       Plexes:       2 Size:         16 GB
> 
> 2 plexes:
> P dataraid.p0         S State: up       Subdisks:     4 Size:         16 GB
> P dataraid.p1         S State: faulty   Subdisks:     4 Size:         16 GB
> 
> 8 subdisks:
> S dataraid.p0.s0        State: up       PO:        0  B Size:       4314 MB
> S dataraid.p0.s1        State: up       PO:      512 kB Size:       4314 MB
> S dataraid.p0.s2        State: up       PO:     1024 kB Size:       4314 MB
> S dataraid.p0.s3        State: up       PO:     1536 kB Size:       4314 MB
> S dataraid.p1.s0        State: empty    PO:        0  B Size:       4314 MB
> S dataraid.p1.s1        State: empty    PO:      512 kB Size:       4314 MB
> S dataraid.p1.s2        State: empty    PO:     1024 kB Size:       4314 MB
> S dataraid.p1.s3        State: empty    PO:     1536 kB Size:       4314 MB
> 
> 
> So dataraid plex 1 appears to be faulty.  Is this a mis-configuration
> on my part?  Is it hardware failure?  The read/write performance of the
> vinum volume does not appear to have degraded, have I just lost the
> mirroring
> property?
> 
> I'll be thankful for any advice on how to diagnose and fix this situation.
> 
> --
> Regards,
> Doug

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