Re: Repairing a possibly incomplete xfs_growfs command?

[Eric Sandeen <sandeen@sandeen.net>]

Mark Magpayo wrote:
> Hi,
> 
> So I have run across a strange situation which I hope there are some
> gurus out there to help.
> 
> The original setup was a logical volume of 8.9TB.  I extended the volume
> to 17.7TB and attempted to run xfs_growfs.  I am not sure whether the
> command actually finished, as after I ran the command, the metadata was
> displayed, but there was no nothing that stated the the number of data
> blocks had changed.  I was just returned to the prompt, so I'm not sure
> whether the command completed or not..
> 
> I was unable write to the logical volume I had just created.  I tried to
> remount it, but I kept getting an error saying the superblock could not
> be read.  I tried running an xfs_repair on the filesystem, and get the
> following:
> 
> Phase 1 - find and verify superblock...
> superblock read failed, offset 19504058859520, size 2048, ag 64, rval 0
> 
> fatal error -- Invalid argument

hm, how big is your block device for starters - look in /proc/partitions.

-Eric