Date: Mon, 21 Jan 2002 16:07:12 -0500 From: "tony" <tony@tntpro.com> To: "Doug Poland" <doug@polands.org>, <questions@FreeBSD.ORG> Subject: RE: faulty vinum plex, need help please Message-ID: <CMENKLIECOJCDGNFIDPFIECFCCAA.tony@tntpro.com> In-Reply-To: <20020121145011.A16617@polands.org>
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have you checked the size of each drive in disklabel? did all 4 really fdisk
and label to 4314?
I just put a size of 0 to use all available space to eliminate this
potential
-----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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