Indeed.
jtucker@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:*[email protected]
[mailto:[email protected]] *On Behalf Of *Barry
Evans
*Sent:* Wednesday, April 20, 2016 3:39 PM
*To:* [email protected]
*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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