Comment 9 for bug 1361842

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On 10/28/2014 11:31 PM, Jason Gunthorpe wrote:
> Except "never really use" means "don't fill up the filesystem". If
> the FS uses the last portion of the partition it will corrupt the
> RAID label and restoring the RAID label will corrupt the FS. Which
> is pretty bad, but not immediate.

No; typically partitioning tools do not assign every last sector on
the disk to the partition, so that last bit of disk will never be used
by the fs.

>> FWIW, RHEL gets this right and sets up dmraid on this disc.
>>
>> Interesting.. they must have a patch that hasn't been
>> upstreamed.
>>
>
> Looks like they have a dracut specific version, it seems much
> saner, no crazy parsing of dmraid output.
>

Oh, right... the problem is in the script only, not dmraid itself
right? If you manually run dmraid -ay, it correctly activates the
array right? Maybe I'll take a crack and finally fixing that script
then as that shouldn't be too hard.

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