[gpfsug-discuss] -Y option for many commands, precious few officially!

[Jonathon A Anderson]

> I know the presence of the -Y flag has been discussed there, so it’s a great place to pick up tips!

Sure, and I “picked up this tip” at a community event; but really, it shouldn’t have to be picked up as arcana. It should be documented.

Glad to hear that that’s the plan.

~jonathon


On 3/28/17, 10:51 AM, "gpfsug-discuss-bounces at spectrumscale.org on behalf of Simon Thompson (Research Computing - IT Services)" <gpfsug-discuss-bounces at spectrumscale.org on behalf of S.J.Thompson at bham.ac.uk> wrote:

    Come to one of the user group events going on around the world in the next
    few months.
    
    NERSC, Berkeley, USA, 4th/5th April:
    https://www.nersc.gov/research-and-development/data-analytics/spectrum-user
    -group-meeting/
    
    *** REGISTRATION CLOSES TOMORROW 29th ***
    
    Sydney, Australia, 27th April:
    https://www.eventbrite.com/e/spectrum-scale-user-group-australia-gpfsugaus-
    april-2017-tickets-29136246297
    
    Manchester, UK, 9th/10th May:
    https://www.eventbrite.com/e/spectrum-scalegpfs-user-group-spring-2017-regi
    stration-32113696932
    
    I know the presence of the -Y flag has been discussed there, so its a
    great place to pick up tips!
    
    Simon
    
    On 28/03/2017, 17:37, "gpfsug-discuss-bounces at spectrumscale.org on behalf
    of Jonathon A Anderson" <gpfsug-discuss-bounces at spectrumscale.org on
    behalf of jonathon.anderson at colorado.edu> wrote:
    
    >Sure; but that only helps if you know the flag even exists.
    >
    >~jonathon
    >
    >
    >On 3/28/17, 10:37 AM, "gpfsug-discuss-bounces at spectrumscale.org on behalf
    >of Simon Thompson (Research Computing - IT Services)"
    ><gpfsug-discuss-bounces at spectrumscale.org on behalf of
    >S.J.Thompson at bham.ac.uk> wrote:
    >
    >    I thought the header rows defined what the format of the output was.
    >Its a bit weird as there can be multiple header rows for different
    >content rows ...
    >    
    >    
    >    Simon
    >    
    >    
    >    From: <gpfsug-discuss-bounces at spectrumscale.org> on behalf of Marc A
    >Kaplan <makaplan at us.ibm.com>
    >    Reply-To: "gpfsug-discuss at spectrumscale.org"
    ><gpfsug-discuss at spectrumscale.org>
    >    Date: Tuesday, 28 March 2017 at 17:14
    >    To: "gpfsug-discuss at spectrumscale.org"
    ><gpfsug-discuss at spectrumscale.org>
    >    Subject: Re: [gpfsug-discuss] -Y option for many commands, precious
    >few officially!
    >    
    >    
    >    
    >    Just looking/scanning the latest (4.2.2) Spectrum Scale Command (and
    >Programming) Reference I only found a few commands that officially are
    >documented as supporting a -Y option:  mmnfs, mmsmb, mmuserauth.
    >    
    >    But as many of you have discovered, -Y is accepted and yields
    >"interesting" output for many of the mmXXXX commands.
    >    Moreover the output *seems to* have easily discernible patterns that
    >can be parsed by simple programs.
    >    
    >    I believe there is no guarantee that the exact command output formats
    >will not change from release to release, so, as a practical matter, if
    >you're going to parse command output, you're probably better off parsing
    >the -Y output,
    >     even if that is not officially supported.
    >    
    >    
    >    
    >    
    >
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