[gpfsug-discuss] DMAPI - Unmigrate file to Regular state

[mark.birmingham at stfc.ac.uk]

Sorry All! Noob error - replied to the wrong email!!!

Mark

Mark Birmingham
Development Team Leader
High Performance Systems Group
STFC Daresbury Laboratory
Phone: +44 (0)1925 603381
Email: mark.birmingham at stfc.ac.uk<mailto:mark.birmingham at stfc.ac.uk>

From: gpfsug-discuss-bounces at spectrumscale.org [mailto:gpfsug-discuss-bounces at spectrumscale.org] On Behalf Of mark.birmingham at stfc.ac.uk
Sent: 05 September 2016 15:27
To: gpfsug-discuss at spectrumscale.org
Subject: Re: [gpfsug-discuss] DMAPI - Unmigrate file to Regular state

Yes, that's fine. Just submit the request through SBS.

Mark

Mark Birmingham
Development Team Leader
High Performance Systems Group
STFC Daresbury Laboratory
Phone: +44 (0)1925 603381
Email: mark.birmingham at stfc.ac.uk<mailto:mark.birmingham at stfc.ac.uk>

From: gpfsug-discuss-bounces at spectrumscale.org<mailto:gpfsug-discuss-bounces at spectrumscale.org> [mailto:gpfsug-discuss-bounces at spectrumscale.org] On Behalf Of Miroslav Bauer
Sent: 05 September 2016 15:14
To: gpfsug main discussion list
Subject: Re: [gpfsug-discuss] DMAPI - Unmigrate file to Regular state


That's right, I must have totally overlooked that! Many thanks! :)

--

Miroslav Bauer


On 09/05/2016 03:51 PM, Jan-Frode Myklebust wrote:
I believe what you're looking for is dsmrecall -RESident. Plus reconcile on tsm-server to free up the space.

Ref:

http://www.ibm.com/support/knowledgecenter/SSSR2R_7.1.2/com.ibm.itsm.hsmul.doc/r_cmd_dsmrecall.html


-jf
man. 5. sep. 2016 kl. 15.30 skrev Miroslav Bauer <bauer at cesnet.cz<mailto:bauer at cesnet.cz>>:
Hello,

is there any way to recall a migrated file back to a regular state
(other than renaming a file)? I would like to free some space
on an external pool (TSM), that is being used by migrated files.
And it would be desirable to prevent repeated backups of an
already backed-up data  (due to changed ctime/inode).

I guess that you can acheive only premigrated state with dsmrecall tool
(two copies of file data - one on GPFS pool and one on external pool).
Maybe deleting 'dmapi.IBMPMig' xattr will do the trick but I don't think
it's safe, nor clean :).

Thank you in advance,

--
Miroslav Bauer


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