The old syntax works unless have a colon in your snapshot names.  In that case, 
the portion before the first colon will be interpreted as a fileset name.  So 
if you use RFC 3339/ISO 8601 date/times, that’s a problem:

The syntax for creating and deleting snapshots goes from this:

mm{cr|del}snapshot fs100 SNAP@2016-07-31T13:00:07Z –j 1000466

to this:

mm{cr|del}snapshot fs100 1000466:SNAP@2016-07-31T13:00:07Z

If you are dealing with filesystem level snapshots then you just need a leading 
colon:

mm{cr|del}snapshot fs100 :SNAP@2016-07-31T13:00:07Z

Thx
Paul

From: gpfsug-discuss-boun...@spectrumscale.org 
[mailto:gpfsug-discuss-boun...@spectrumscale.org] On Behalf Of Marc A Kaplan
Sent: Friday, September 16, 2016 10:22 AM
To: gpfsug main discussion list
Subject: Re: [gpfsug-discuss] Bit of a rant about snapshot command syntax 
changes

I think at least the most popular old forms still work, even if the 
documentation and usage messages were scrubbed.
So generally, for example, neither your scripts nor your fingers will break. ;-)




From:        "Sobey, Richard A" 
<r.so...@imperial.ac.uk<mailto:r.so...@imperial.ac.uk>>
To:        "'gpfsug-discuss@spectrumscale.org'" 
<gpfsug-discuss@spectrumscale.org<mailto:gpfsug-discuss@spectrumscale.org>>
Date:        09/16/2016 07:02 AM
Subject:        [gpfsug-discuss] Bit of a rant about snapshot command syntax 
changes
Sent by:        
gpfsug-discuss-boun...@spectrumscale.org<mailto:gpfsug-discuss-boun...@spectrumscale.org>
________________________________



Why was mmdelsnapshot (and possibly other snapshot related commands) changed 
from:

Mmdelsnapshot device snapshotname –j filesetname

TO

Mmdelsnapshot device filesetname:snapshotname

..between 4.2.0 and 4.2.1?

It’s mildly irritating to say the least!

Richard
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