On Thu, Jan 27, 2011 at 2:47 PM, NeilBrown <neilb@xxxxxxx> wrote:
>>
>>  ÂDevice Boot   ÂStart     End   ÂBlocks  Id ÂSystem
>> /dev/sdb1 Â Â Â Â Â Â2048 Â Â20973567 Â Â10485760 Â fd ÂLinux raid autodetect
>> /dev/sdb2 Â Â Â Â20973568 Â3907029167 Â1943027800 Â fd ÂLinux raid autodetect
>
> These start numbers are multiples of 64K.
>
> With 0.90 metadata, md thinks that the metadata for a partition that starts
> at a multiple of 64K and ends a the end of the device looks just like metadata
> for the whole devices.
>
> If you use 1.0 (or 1;1 or 1.2) metadata this problem will disappear.
Many thanks for the tip.
============
1, 1.0, 1.1, 1.2
Use the new version-1 format superblock. This
has few restricâ
tions. The different sub-versions store the
superblock at differâ
ent locations on the device, either at the end
(for 1.0), at the
start (for 1.1) or 4K from the start (for 1.2).
============
I went with 1.1 and that seems to work w/out this problem.
thanks,
hank
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