[gpfsug-discuss] Cloning across fileset boundaries
Yuri L Volobuev
volobuev at us.ibm.com
Thu Mar 3 18:13:45 GMT 2016
This is technically impossible. A clone relationship is semantically
similar to a hard link. The basic fileset concept precludes hard links
between filesets. A fileset is by definition a self-contained subtree in
the namespace.
yuri
From: Luke Raimbach <Luke.Raimbach at crick.ac.uk>
To: gpfsug main discussion list <gpfsug-discuss at gpfsug.org>,
Date: 03/03/2016 01:07 AM
Subject: [gpfsug-discuss] Cloning across fileset boundaries
Sent by: gpfsug-discuss-bounces at spectrumscale.org
Hi All,
When I use "mmclone copy" to try and create a clone and the destination is
inside a fileset (dependent or independent), I get this:
mmclone: Invalid cross-device link
I can find no information in any manuals as to why this doesn't work
(though I can imagine what the reasons might be). Could somebody explain
whether this could be permitted in the future, or if it's technically
impossible?
Thanks,
Luke.
Luke Raimbach
Senior HPC Data and Storage Systems Engineer,
The Francis Crick Institute,
Gibbs Building,
215 Euston Road,
London NW1 2BE.
E: luke.raimbach at crick.ac.uk
W: www.crick.ac.uk
The Francis Crick Institute Limited is a registered charity in England and
Wales no. 1140062 and a company registered in England and Wales no.
06885462, with its registered office at 215 Euston Road, London NW1 2BE.
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