[lustre-discuss] oldest lustre deployment?

[Patrick Farrell]

Oh, yes.  Absolutely.  Many sites are running 2.5, a few are evening running 1.8.


It's not "officially supported", but that's all those matrices indicate.


Sorry, assuming 2.7 or newer isn't safe yet.  2.5 may still be the largest single release by usage.


Check these slides for an update from this year on what's being run:
http://cdn.opensfs.org/wp-content/uploads/2018/04/Jones-Community_Release_Update_LUG_2018.pdf



- Patrick

________________________________
From: lustre-discuss <lustre-discuss-bounces at lists.lustre.org> on behalf of Latham, Robert J. <robl at mcs.anl.gov>
Sent: Wednesday, August 15, 2018 9:40:31 AM
To: lustre-discuss at lists.lustre.org
Subject: [lustre-discuss] oldest lustre deployment?

I am looking at the patch to ROMIO to support the new Progressive File
Layout feature:

https://jira.whamcloud.com/browse/LU-9657
and
https://review.whamcloud.com/#/c/27869/10

This change greatly reworks ROIMIO's support for determining striping count and stripe size.  I'm all for using the 'llapi_layout' routines instead of bare ioctl() calls, but llapi_layout did not show up until 2.7 I think.

Is there any chance that some enviroment out there is still running a
lustre from 2014 or earlier?

Nothing before 2.10 shows up in the "community matrix"

https://wiki.whamcloud.com/display/PUB/Lustre+Support+Matrix

but I do see some fairly old versions in the "intel releases"

https://wiki.whamcloud.com/display/PUB/Lustre+Support+Matrix+-+Intel+Releases

==rob

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