Date: Wed, 20 Oct 2004 13:47:33 -0000 From: Dave Swegen <dswegen@software.plasmon.com> To: freebsd-questions@freebsd.org Subject: Vinum problems/questions Message-ID: <20000720112415.A30330@allstor-sw.co.uk>
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I'm currently trying to use vinum to set up a thin client which will
function as a mirroring fileserver. The idea is that the customer will
enable the mirror using a web-interface. But, of course, I'm having
problems. The main one is that for some reason vinum says that one of the
two plexes is faulty. This seems to be regardless of what HDs I use.
Currently the two HDs are identical (23Gb IDE drives), but I have tried
using different disks, different sizes.
Using 'vinum create <configfile>' works, but as mentioned complains that one
of the plexes is faulty.
It is far worse using the 'vinum mirror /dev/ad2a /dev/ad3a', which causes a
kernel panic and a reboot. Not fun.
/var/log/messages shows the following lines:
Jul 20 10:16:01 trabant /kernel: dscheck(#ad/16): b_bcount 8 is not on a
sector boundary (ssize 512)
Jul 20 10:16:01 trabant /kernel: dscheck(#ad/24): b_bcount 8 is not on a
sector boundary (ssize 512)
The config file I'm using looks as follows:
drive drive_a device /dev/ad2a
drive drive_b device /dev/ad3a
volume mirror
plex org concat
sd length 0 drive drive_a
plex org concat
sd length 0 drive drive_b
Changing the length makes no difference.
I'd much appreciate any enlightenment on the issue.
Cheers
Dave
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