Raid5 Reshape Status + xfs_growfs = Success! (2.6.17.3)

[Justin Piszcz <jpiszcz@lucidpixels.com>]

Neil,

It worked, echo'ing the 600 > to the stripe width in /sys, however, how 
come /dev/md3 says it is 0 MB when I type fdisk -l?

Is this normal?

Disk /dev/md0 doesn't contain a valid partition table

Disk /dev/md3: 0 MB, 0 bytes
2 heads, 4 sectors/track, 0 cylinders
Units = cylinders of 8 * 512 = 4096 bytes

Disk /dev/md3 doesn't contain a valid partition table

Disk /dev/md2: 71.9 GB, 71954661376 bytes
2 heads, 4 sectors/track, 17567056 cylinders
Units = cylinders of 8 * 512 = 4096 bytes

Furthermore, the xfs_growfs worked beautifully!

p34:~# df -h
/dev/md3              2.2T  487G  1.8T  22% /raid5
p34:~# xfs_growfs /raid5
meta-data=/dev/md3               isize=256    agcount=32, agsize=18314368 
blks
         =                       sectsz=4096  attr=0
data     =                       bsize=4096   blocks=586059776, imaxpct=25
         =                       sunit=128    swidth=768 blks, unwritten=1
naming   =version 2              bsize=4096
log      =internal               bsize=4096   blocks=32768, version=2
         =                       sectsz=4096  sunit=1 blks
realtime =none                   extsz=3145728 blocks=0, rtextents=0
data blocks changed from 586059776 to 683740288
p34:~# df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/md3              2.6T  487G  2.1T  19% /raid5
p34:~# umount /raid5
p34:~# mount /raid5
p34:~# dmesg | tail -5
[4354159.367000]  disk 7, o:1, dev:sdc1
[4360850.548000] XFS mounting filesystem md3
[4360850.803000] Ending clean XFS mount for filesystem: md3
[4360868.121000] XFS mounting filesystem md3
[4360868.189000] Ending clean XFS mount for filesystem: md3

Very nice stuff.

Thanks Neil & XFS team for the information and help!

Justin.
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