Re: status of raid 4/5 disk reduce

[Louis-David Mitterrand <vindex+lists-linux-raid@apartia.org>]

On Thu, Dec 11, 2008 at 01:33:51AM -0500, Michael Brancato wrote:
>
> David Lethe wrote:
>
>>   Respectfully, go bother the LVM, jfs, ext, afs, and all the other 
>> file
>> system people.  You have zero chance of getting them on board to support
>> online file system shrinking without any guarantee of scratch space.
>> My advice is that you don't tell them you also want them to resize while
>> the md volume is being resized, and also don't tell them that the array
>> might be degraded.
>
> I didn't bring up nor argued the filesystem online resize issue, you  
> did.  Why does the filesystem have to be online during the reshape or  
> the shrink?  People shrink filesystems and partitions while offline  
> everyday, and the sun still rises.  Filesystem support for reshaping  
> (not resizing) should be a non-issue.  Resizing shrink exists today.

Not for xfs.

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