> On 31 December 2010 00:10, Mark Knecht <markknecht@gmail.com> wrote:
>> Hi,
>> 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.
>>
>> 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]
>> 247416933 blocks super 1.1 [3/3] [UUU]
>>
>> md3 : active raid1 sdc3[2] sdb3[1] sda3[0]
>> 52436096 blocks [3/3] [UUU]
>>
>> md5 : active raid1 sdc5[2] sdb5[1] sda5[0]
>> 52436032 blocks [3/3] [UUU]
>>
>> unused devices: <none>
>> mark@c2stable ~ $
>>
>>
>> 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
>
