[gpfsug-discuss] preventing / delaying deletion of scheduled snapshots?

[Uwe Falke]

Drear all,

we have configured scheduled creation of snapshots for several filesets 
in a file system.

Now, a couple of users discovered they'd been erroneously deleting files 
since EoJune (some script misbehaving).

The last snapshot before dates from Jun 1st and is to be deleted Aug 
1st. The time for the users might be too short to check and fix their 
deleted data (as several might not have a chance to do so before Aug 1st).

I could not see how I could change the schedule for an existing snapshot 
(i.e. delay / prevent its deletion) in the GUI (invsetigating the GUI 
and studying the GPFS documentation / admin guide)
The GUI commands include something like 
/usr/lpp/mmfs/gui/cli/chsnapassoc but I do not know whether that applies 
to existing snapshots as well or just for future ones (as the rules 
cover both creation and lifetime of the snaps).
How I could prevent the scheduled deletion of a single snapshot (created 
by the GUI as scheduled snapshot)? Is that possible at all (o.k., I 
might stop the GUI but as there are several filesets with their 
scheduled snapshots, so that is not what I want actually).

Thanks

Uwe

-- 
Karlsruhe Institute of Technology (KIT)
Scientific Computing Centre (SCC)
Scientific Data Management (SDM)

Uwe Falke

Hermann-von-Helmholtz-Platz 1, Building 442, Room 187
D-76344 Eggenstein-Leopoldshafen

Tel: +49 721 608 28024
Email: uwe.falke at kit.edu
www.scc.kit.edu

Registered office:
Kaiserstraße 12, 76131 Karlsruhe, Germany

KIT – The Research University in the Helmholtz Association

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