[cdwg] [wc-discuss] Lustre 2.3 release

[tao.peng at emc.com]

> -----Original Message-----
> From: Peter Jones [mailto:pjones at whamcloud.com]
> Sent: Friday, February 17, 2012 2:31 AM
> To: Peng, Tao
> Cc: cdwg at lists.opensfs.org; wc-discuss at whamcloud.com; Tang, Haiying; faibish, sorin
> Subject: Re: [wc-discuss] Lustre 2.3 release
> 
> Thank you Tao. This is most helpful. Except where noted below I have
> created wiki table entries with placeholders in anticipation of a JIRA
> ticket being opened with fuller details about the rationale and designs
> for the intended development.
> 
It is great that we have the discussion so that our work don't get superfluous.

> On 12-02-15 6:15 PM, tao.peng at emc.com wrote:
> > Hi Peter,
> >
> > Thanks for bringing it up. As the target date for 2.3 is September 2012, I'd like to add some EMC
> tasks (not necessary features though) that we hope to land in 2.3 release cycle. Please consider
> including them in your planning.
> >
> > 1. remove obsolete configure macros that are there to support old kernels (older than 2.6.18-latest)
> I believe that we are already tracking this task under LU-709. Your
> assistance in accelerating this work would be most appreciated.
Thank you for the information. I have done some work as well. I will look at LU-709 more closely and find a way to collaborate with Yang Shen.

> > 2. Lustre client dcache clean up
I created LU-1113 (http://jira.whamcloud.com/browse/LU-1113) for this one and attached related design document there. I also updated the wiki page to add a pointer to it.

> > 3. separate server connection handling from ptlrpc layer
> > 4. client kernel API adjustment to latest upstream kernel
> Cray are already working on supporting Linux 3.0 under LU-812 and there
> is a ticket already opened for Linux 3.1 support (LU-858). Perhaps it
> makes sense to collaborate on these earlier versions as there will be
> some overlap between the work required.
Agreed. We will try to collaborate with community on LU-812 and LU-858, and base our work of supporting latest Linux kernel on top of them.

Thanks,
Tao

> > 5. client module build process change to adapt to vanilla kernel
> >
> > Cheers,
> > Tao
> >
> >> -----Original Message-----
> >> From: Peter Jones [mailto:pjones at whamcloud.com]
> >> Sent: Tuesday, February 07, 2012 6:03 AM
> >> To: cdwg at lists.opensfs.org; wc-discuss at whamcloud.com
> >> Subject: [wc-discuss] Lustre 2.3 release
> >>
> >> Hi there
> >>
> >> Although we are still very busy with Lustre 2.2, we have started
> >> planning for the content of Lustre 2.3 release. Landings for 2.3 will
> >> start as soon as Lustre 2.2 has been branched from master.
> >>
> >> Lustre 2.3 is targeted for release in September 2012 and, as such, any
> >> features to be included will need to be landed to master by the end of
> >> June at the latest in order to allow adequate time for stabilization
> >> ahead of the release. If features only become ready for landing at the
> >> end of June there may not be sufficient time to land them all, so
> >> features that are available sooner are more likely to be tested,
> >> inspected, and landed before the feature freeze.
> >>
> >> If anyone is working on features that could be candidates to include in
> >> this release then please let me know so that we can consider them in our
> >> planning.
> >>
> >> Features that were initially targeted for 2.2 but were not ready in time
> >> are already on our list -
> >> http://wiki.whamcloud.com/display/PUB/Lustre+Community+Development+in+Progress
> >>
> >> Thanks
> >>
> >> Peter
> >>
> >> --
> >> Peter Jones
> >> Whamcloud, Inc.
> >> www.whamcloud.com
> >>
> 
> --
> Peter Jones
> Whamcloud, Inc.
> www.whamcloud.com
>