Getting back my CCD Raid

Gerard Samuel fbsd-questions at trini0.org
Wed Nov 17 06:35:46 PST 2004


Gerard Samuel wrote:

> I had a ccd raid 0 drive setup under 4.10.
> I did a fresh install of 5.3, with the thought, that I could just
> reenable the settings for the ccd drive, to bring it back to life
> with its data intact.
>
> 1.  Added "device          ccd" to the kernel and rebuilt it.
> 2.  Verified that the disklabels are intact for the drives ad0/ad2
> # /dev/ad0:
> 8 partitions:
> #        size   offset    fstype   [fsize bsize bps/cpg]
>  c: 53464320        0    unused        0     0         # "raw" part, 
> don't edit
>  e: 53464320        0    4.2BSD        0     0     0
>
> # /dev/ad2:
> 8 partitions:
> #        size   offset    fstype   [fsize bsize bps/cpg]
>  c: 53464320        0    unused        0     0         # "raw" part, 
> don't edit
>  e: 53464320        0    4.2BSD        0     0     0
>
> 3.  Ran "ccdconfig ccd0 32 0 /dev/ad0e /dev/ad2e"
> 4.  Ran "ccdconfig -g > /etc/ccd.conf"
> 5.  Try mounting the ccd with "mount /dev/ccd0c /storage" and I get
> mount: /dev/ccd0c: No such file or directory
>
> The device does exist ->
> hivemind# ls -al /dev/ccd*
> crw-r-----  1 root  operator    4,  49 Nov 16 19:16 /dev/ccd0
>
> I even tried configuring the drive before mounting but ->
> hivemind# ccdconfig -C
> ccdconfig: Unit 0 already configured
> or possibly kernel and ccdconfig out of sync
>
> Could someone point out to me, what Im doing wrong?
> Or is it even possible to achieve the results that Im looking for?
> Should I be reconstructing the raid from scratch, deleting the data on 
> them?
>
> Thanks 


Any other ideas???
Thanks


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