[nvmewin] Q1`2016 NVMe Win Update

Robles, Raymond C raymond.c.robles at intel.com
Thu Mar 17 17:56:51 PDT 2016


Hello,

With this latest patch from Intel for namespace management, the OFA driver is open for the next set of patches from Samsung (outlined below).

As agreed upon in the previous email chain, option #2 was selected by majority and will be the plan for 2016. After Samsung pushes their three patches, the WHCK/WHQL test suite will be on the OFA driver (by a volunteer company) against a released NVMe SSD.

Of course, an official WHQL certification cannot happen with this driver since it would need to be against a company's specific NVMe device, but the WHQL test suite passing will act as our release criteria for the mid-year 2016 release.

Please let me know if there are any questions or concerns around the current release plan for 2016.

Thanks,
Ray

From: nvmewin-bounces at lists.openfabrics.org [mailto:nvmewin-bounces at lists.openfabrics.org] On Behalf Of Robles, Raymond C
Sent: Thursday, January 14, 2016 4:55 PM
To: 'nvmewin at lists.openfabrics.org' <nvmewin at lists.openfabrics.org>
Subject: [nvmewin] Happy New Year... and status update

Hello and Happy New Year,

I hope everyone had a great holiday season and is off to a great start to the new year!

As communicated last month, the patch from HGST for the SCSI multi-initiator changes has been approved and pushed. The holidays slowed down much of the progress on the OFA driver and there were several patches that did not get pushed prior to the end of the year. The list of patches remained to be pushed are as follows...


*         Namespace Management (Intel)

*         Perf Opts (Samsung)

*         Win 8.1 Timers (Samsung)

*         EOL Read Only (Samsung)

*         Concurrent channels (Google)

The namespace management patch will be sent out for review tomorrow (look for the patch email from Carolyn)... stay tuned!!!

However, once this patch is resolved, we as a community will have to make a decision on an official release strategy. The patch process and cadence was significantly slower in 2015 which leaves us with a few options.


1.       Release what is in the trunk today (or after the namespace management patch)... and call that the 2015 release (albeit later than expected)

2.       In lieu of an official 2015 release, we push the remaining patches listed above... and then release in ~Q2 of 2015. Basically skip a 2015 release and go right into the mid-2016 release.

3.       Remove the concept of "official releases" from the OFA Windows NVMe driver and just allow people, companies, and users to pull from the OFA trunk as necessary.

For #3 above, my thoughts are that because the OFA driver is not a production driver... but a reference and enabling driver, it should/could be managed as just that... a reference baseline driver that any potential user can go and grab the source, or contribute a patch. Nothing more... nothing less.

For the release decision, I'll be happy to call a meeting... but we can also handle it via email as well... just let me know. Feedback from all is welcome... but I would request mandatory feedback form the 4 reviewing companies: Samsung, HGST, PMC-Sierra, and Intel. How would you like to proceed?

Thanks,
Ray

[cid:image001.png at 01CB3870.4BB88E70]
Raymond C. Robles
Non-Volatile Memory Solutions Group
Intel Corporation
Office: 480-554-2600
Mobile: 480-399-0645

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