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NFS Over RDMA Community Development

Recently, Chuck Lever and Shirley Ma of the Oracle Mainline Linux kernel team have been working with the community on bringing Linux NFS over RDMA (remote direct memory access) up to full production quality. At the 2014 OpenFabrics International Developer Workshop in March/April, they presented an overview of NFSoRDMA for Linux, outlining a rationale for investing resources in the project, as well as identifying what needs to be done to bring the implementation up to...

Wednesday, June 18, 2014 | Linux | Read More

LSF/MM 2014 and ext4 Summit Notes by Darrick Wong

This is a contributed post from Darrick Wong, storage engineer on the Oracle mainline Linux kernel team. The following are my notes from LSF/MM 2014 and the ext4 summit, held last week in Napa Valley, CA. Discussed the draft DIX passthrough interface. Based on Zach Brown's suggestions last week, I rolled out a version of the patch with a statically defined io extensions struct, and Martin Petersen said he'd try porting someexisting asmlib clients to use the new interface, with...

Tuesday, April 1, 2014 | Linux | Read More

CLSF & CLK 2013 Trip Report by Jeff Liu and Liu Bo

This is a contributed post from Jeff Liu, lead XFS developer for the Oracle mainline Linux kernel team, with contributions from Liu Bo, our lead BTRFS developer. Recently, we attended the China Linux Storage and Filesystem workshop (CLSF), and the China Linux Kernel conference (CLK), which were held in Shanghai. Here are the highlights for both events. CLSF - 17th October XFS update (led by Jeff Liu) XFS keeps rapid progress with a lot of changes, especially focused on the...

Tuesday, November 5, 2013 | Linux | Read More

IETF 87 NFSv4 Working Group meeting report by Chuck Lever

This is a contributed post from Chuck Lever, who heads up NFS development for the mainline Linux kernel team. Executive summary: The 87th meeting of the IETF was held July 28 - August 2 in Berlin, Germany. I was in Berlin for the week to attend the NFSv4 Working Group meeting and hold informal discussions related to NFS standardization with other attendees.The Internet Engineering Task Force (IETF) produces high quality technical documents that influence the way people design,...

Monday, September 2, 2013 | Linux | Read More

Oracle Linux Kernel Developers Speaking at LinuxCon Japan 2013

LinuxCon Japan 2013 is happening next week (May 29-31) in Tokyo, and several members of the Oracle mainline Linux kernel team are speaking: Jeff Liu - XFS in Rapid Development Liu Bo -  Btrfs Specific Data Deduplication James Morris -  Recent Developments in the Linux Kernel Security Subsystem For those attending, feel free to come and chat with us during the conference. We'll post links to slides once they're available.

Thursday, May 23, 2013 | Linux | Read More

Ext4 filesystem workshop report by Mingming Cao

This is a contributed post from Mingming Cao, lead ext4 developer for the Oracle mainline Linux kernel team. I attended the second ext4 workshop hosted at the third day of Linux Collaboration Summit 2013.  Participants included Google, RedHat, SuSE, Taobao, and Lustre. We had about 2-4 hours of good discussion about the roadmap of ext4 for next year. Ext4 write stall issue A write Stall issue was reported by MM folks found during page claimtesting over ext4. There is lock...

Thursday, May 9, 2013 | Linux | Read More
 

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