root@mp-test:~# growpart /dev/vda 1
attempt to resize /dev/vda failed. sfdisk output below:
|
| Disk /dev/vda: 5221 cylinders, 255 heads, 63 sectors/track
| Old situation:
| Units: cylinders of 8225280 bytes, blocks of 1024 bytes, counting from 0
|
|    Device Boot Start     End   #cyls    #blocks   Id  System
| /dev/vda1   *      1     260     260    2088450   83  Linux
| /dev/vda2          0       -       0          0    0  Empty
| /dev/vda3          0       -       0          0    0  Empty
| /dev/vda4          0       -       0          0    0  Empty
| New situation:
| Units: sectors of 512 bytes, counting from 0
|
|    Device Boot    Start       End   #sectors  Id  System
| /dev/vda1   *     16065  83875364   83859300  83  Linux
| /dev/vda2             0         -          0   0  Empty
| /dev/vda3             0         -          0   0  Empty
| /dev/vda4             0         -          0   0  Empty
| Successfully wrote the new partition table
|
| sfdisk: BLKRRPART: Device or resource busy
| sfdisk: The command to re-read the partition table failed.
| Run partprobe(8), kpartx(8) or reboot your system now,
| before using mkfs
| sfdisk: If you created or changed a DOS partition, /dev/foo7, say, then use dd(1)
| to zero the first 512 bytes:  dd if=/dev/zero of=/dev/foo7 bs=512 count=1
| (See fdisk(8).)
| Re-reading the partition table ...
FAILED: failed to resize
***** WARNING: Resize failed, attempting to revert ******
Re-reading the partition table ...
sfdisk: BLKRRPART: Device or resource busy
sfdisk: The command to re-read the partition table failed.
Run partprobe(8), kpartx(8) or reboot your system now,
before using mkfs
***** Appears to have gone OK ****