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I have an amazon ec2 instance running Ubuntu 12.04. It has an attached EBS volume formatted as XFS. It's worked fine for a long time. However, after a reboot today, the volume is no longer being mounted.

If I try to mount it manually with:

mount -t auto /dev/xvdf /usr/local/mnt/media

I get

mount: unknown filesystem type 'xfs'

So, it seems I'm now unable to mount this volume. Strangely if I check /dev/xvdf, it is indeed an xfs filesytem.

file -s /dev/xvdf
/dev/xvdf: SGI XFS filesystem data (blksz 4096, inosz 256, v2 dirs)

So apparently ubuntu "forgot" about XFS.

Any help or input would be really appreciated as I'm stumped.

Edit

Output of

lsmod | grep xfs

returns nothing, and the output of

grep -H XFS_FS /boot/config-$(uname -r)

returns

grep: /boot/config-3.2.0-64-virtual: No such file or directory

So now I'm really confused, xfs has apparently disappeared from this server.

Edit

I can't load the module manually either

modprobe -v xfs

FATAL: Could not load /lib/modules/3.2.0-64-virtual/modules.dep: No such file or directory
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  • Can you edit your question to include the outputs of lsmod | grep xfs and grep -H XFS_FS /boot/config-$(uname -r) please? That will give us somewhere to start looking. Jun 20, 2014 at 19:35
  • Hmm so it looks like the ec2 kernels are configured a bit differently - I don't think I'll be much help here, sorry. Jun 20, 2014 at 20:08
  • I presume you've tried manually inserting the kernel module and noting any error messages? sudo modprobe -v xfs Jun 20, 2014 at 20:16
  • Yes, tried and it will not load the module. Updated the question Jun 20, 2014 at 20:21

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