[gpfsug-discuss] Did you know about "-Y" ?? I sure didn't... game changer
Jez Tucker
jtucker at pixitmedia.com
Thu Apr 21 01:05:39 BST 2016
I'd suggest you attend the UK UG in May then ... ref Agenda:
http://www.gpfsug.org/may-2016-uk-user-group/
On 20/04/16 23:08, Bryan Banister wrote:
>
> Sounds like a candidate for the GPFS UG Git Hub!!
>
> https://github.com/gpfsug/gpfsug-tools
>
> -B
>
> *From:*gpfsug-discuss-bounces at spectrumscale.org
> [mailto:gpfsug-discuss-bounces at spectrumscale.org] *On Behalf Of
> *Sanchez, Paul
> *Sent:* Wednesday, April 20, 2016 5:06 PM
> *To:* gpfsug main discussion list
> *Subject:* Re: [gpfsug-discuss] Did you know about "-Y" ?? I sure
> didn't... game changer
>
> +1 to a real python API.
>
> We have written our own, albeit incomplete, library to expose most of
> what we need. We would be happy to share some general ideas on what
> should be included, but a real IBM implementation wouldn’t have to do
> what we did. (Think lots of subprocess.Popen + subprocess.communicate
> and shredding the output of mm commands. And yes, we wrote a parser
> which could shred the output of either –Y or tabular format.)
>
> Thx
>
> Paul
>
> *From:*gpfsug-discuss-bounces at spectrumscale.org
> <mailto:gpfsug-discuss-bounces at spectrumscale.org>
> [mailto:gpfsug-discuss-bounces at spectrumscale.org] *On Behalf Of *Barry
> Evans
> *Sent:* Wednesday, April 20, 2016 5:58 PM
> *To:* gpfsug-discuss at spectrumscale.org
> <mailto:gpfsug-discuss at spectrumscale.org>
> *Subject:* Re: [gpfsug-discuss] Did you know about "-Y" ?? I sure
> didn't... game changer
>
> Someone should just make a python API that just abstracts all of this
>
> On 20/04/2016 22:18, Jez Tucker wrote:
>
> So mmlspool does in 4.1.1.3... perhaps my memory fails me.
> I'm pretty certain Yuri told me that mmlspool was completely
> unsupported and didn't have -Y a couple of years ago when we did
> the original GPFS UG RFEs prior to 4.x. I figure that earns cookies.
>
> Perhaps in light of the mmbackup thread; "Will fix RFEs for
> cookies?". Name your price ;-)
>
> Jez
>
> On 20/04/16 22:12, Jez Tucker wrote:
>
> Indeed.
>
> jtucker at elmo:~$ mmlsfs all -Y
> mmlsfs::HEADER:version:reserved:reserved:deviceName:fieldName:data:remarks:
>
> I must say I've not seen any headers increment above 0:1 since
> ... er .. 3.3(?), so they're pretty static.
>
> Now, if only mmlspool supported -Y ... or if _all_ commands
> supported -Y, I might even FedEX beer.
>
> Jez
>
> On 20/04/16 21:46, Bryan Banister wrote:
>
> What’s nice is that the “-Y” output provides a HEADER so
> that you can still programmatically determine fields of
> interest… this is the best!
>
> I recommend adding “-Y” option documentation to all
> supporting GPFS commands for others to be informed.
>
> -Bryan
>
> *From:*gpfsug-discuss-bounces at spectrumscale.org
> <mailto:gpfsug-discuss-bounces at spectrumscale.org>
> [mailto:gpfsug-discuss-bounces at spectrumscale.org] *On
> Behalf Of *Barry Evans
> *Sent:* Wednesday, April 20, 2016 3:39 PM
> *To:* gpfsug-discuss at spectrumscale.org
> <mailto:gpfsug-discuss at spectrumscale.org>
> *Subject:* Re: [gpfsug-discuss] Did you know about "-Y" ??
> I sure didn't... game changer
>
> If you build a monitoring pipeline using -Y output, make
> sure you test between revisions before upgrading. The
> columns do have a tendency to change from time to time.
>
> Cheers,
> Barry
>
> On 20/04/2016 20:02, Bryan Banister wrote:
>
> Apparently, though not documented in man pages or any
> of the GPFS docs that I’ve read (at least that I
> recall), there is a “-Y” option to many/most GPFS
> commands that provides output in machine readable
> fashion….
>
> That’s right kids… no more parsing obscure, often
> changed output columns with your favorite
> bash/awk/python/magic.
>
> Why IBM would not document this is beyond me,
>
> -B
>
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> --
>
> Jez Tucker
> Head of Research & Development
> Pixit Media
> Mobile: +44 (0) 776 419 3820
> www.pixitmedia.com <http://www.pixitmedia.com>
>
> --
>
> Jez Tucker
> Head of Research & Development
> Pixit Media
> Mobile: +44 (0) 776 419 3820
> www.pixitmedia.com <http://www.pixitmedia.com>
>
> This email is confidential in that it is intended for the
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> Barry Evans
> Technical Director & Co-Founder
> Pixit Media
>
> http://www.pixitmedia.com
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--
Jez Tucker
Head of Research & Development
Pixit Media
Mobile: +44 (0) 776 419 3820
www.pixitmedia.com <http://www.pixitmedia.com>
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