Date: Wed, 31 May 2000 09:14:26 -0700 From: tom <tomb@cgf.net> To: darren@profero.com, freebsd-questions@freebsd.org Subject: Re: vinum and bad pack magic number Message-ID: <39353A62.DDBAB828@cgf.net> References: <002401bfcb06$a3ecf140$a99d24d4@vindaloo.profero.com>
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OK this is what I did to solve the problem.
It wasn't obvious from the documentation that the disks too be used had to be
formatted in any way, it turns out that they need to be setup as ffs (freebsd
native) disks before they can be used for vinum.
First install the disks and use the /stand/sysinstall utility to create new bsd
(type 165) filesystems on them using the fdisk feature. I also checked them by
mounting the disks once they were formatted.
If you then run disklabel you will see that the disks are build something like
this::
root@garlic#disklabel /dev/da1s1 8 partitions:
>>>>>CUT<<<<<
# size offset fstype [fsize bsize bps/cpg]
c: 8482257 0 unused 0 0 # (Cyl. 0 - 527*)
e: 8482257 0 4.2BSD # (Cyl. 0 - 527*)
effectivly /dev/da1s1e is now a BSD partition.
now you can use disklabel to change the fstype to be vinum.
# size offset fstype [fsize bsize bps/cpg]
c: 8482257 0 unused 0 0 # (Cyl. 0 - 527*)
e: 8482257 0 vinum # (Cyl. 0 - 527*)
Once this has been completed build the config (in this case a simple mirror) .
See Greg's home page for the best examples.
drive a device /dev/da0s1e
drive b device /dev/da1s1e
volume mirror
plex org concat
sd length 4140m drive a
plex org concat
sd length 4140m drive b
Finally you will have to tell vinum to start the array, using the "start"
command. This appears to be necessary only the first time around. From then
on the array will start automatically.
Best of luck.
Tom
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