[Gluster-users] file shred

Ravishankar N ravishankar at redhat.com
Thu Nov 9 04:33:34 UTC 2017

On 11/08/2017 11:36 PM, Kingsley Tart wrote:
> Hi,
> if we were to use shred to delete a file on a gluster volume, will the
> correct blocks be overwritten on the bricks?
> (still using Gluster 3.6.3 as have been too cautious to upgrade a
> mission critical live system).
When I strace `shred filename`, it just seems to write + fsync random 
values into the file based on some seed from /dev/urandom. Since these 
are normal syscalls, and since gluster just sends these FOPS to the 
bricks, it should work fine.
All caveats listed in `man shred` for the on-disk file system (XFS) 
still apply.
> Cheers,
> Kingsley.
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