On 31 December 2010 00:10, Mark Knecht <markknecht@xxxxxxxxx> wrote:
> Hi,
> Â What am I forgetting to do? I had a RAID1 using sd{a,b,c}3. I
> stopped md3, removed the md3 line in /etc/mdadm.conf, deleted the
> partitions using fdisk, and then created 5 new partitions using
> sd{a,b,c,d,e}3 to get ready to do a 5 disk RAID6. The new partitions
> are the same size as the old ones and located at the same sector
> addresses.
>
> Â After rebooting, but before creating the new RAID6, I still see md3:
>
> mark@c2stable ~ $ cat /proc/mdstat
> Personalities : [linear] [raid0] [raid1] [raid10] [raid6] [raid5] [raid4]
> md6 : active raid1 sdb6[1] sdc6[2] sda6[0]
> Â Â Â247416933 blocks super 1.1 [3/3] [UUU]
>
> md3 : active raid1 sdc3[2] sdb3[1] sda3[0]
> Â Â Â52436096 blocks [3/3] [UUU]
>
> md5 : active raid1 sdc5[2] sdb5[1] sda5[0]
> Â Â Â52436032 blocks [3/3] [UUU]
>
> unused devices: <none>
> mark@c2stable ~ $
>
>
> Â What am I doing wrong or forgetting? I would like md3 to be totally
> gone before I create a new md3 in it's place.
>
> Thanks,
> Mark
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Erase the superblocks? Recreating partitions doesn't (usually) affect
the data on the HDDs.
// M
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