> I just tested some more and using parted found out the following:
> (parted) print
> Warning: /dev/sdb contains GPT signatures, indicating that is has a GPT
> table. However, it does not have a valid fake msdos partition table, as it
> should. Perhaps it was corrupted -- possibly by a program that doesn't
> understand GPT partition tables. Or perhaps you deleted the GPT table, and
> are now using an msdos partition table. Is this a GPT partition table?
> Yes/No? y
> Disk /dev/sdb: 3001GB
> Sector size (logical/physical): 512B/512B
> Partition Table: gpt
> Number Start End Size File system
> 1 17.4kB 22250GB 22250GB xfs
> So it seems that parted can still "see" the old table. But it doesn't have
> support for resizing xfs partitions...
So, did you originally have a gpt or an msdos partition table?