Submitter jeff layton state action required archived no 103 patches. See the complete profile on linkedin and discover jeffs. Linux is gaining a lot of steam lately no pun intended. Jun 02, 2011 if you are a regular reader you know jeff layton and i have similar approaches to technology issues and problem solving. Jeff layton provides an overview of data migration tools. May 10, 20 jeff layton provides an overview of data migration tools. Samba samba sambatechnical search everywhere only in this topic. I am an experienced linux kernel developer with a focus in filesystems. View jeff laytons professional profile on linkedin.
There are already some patches that have gone upstream that well want. After a session at last years linux storage, filesystem, and memory management summit lsfmm, jeff layton was able to make. Rook deployed scalable nfs clusters exporting cephfs. Asynchronous directory operations in cephfs usenix. Recently, he has taken an interest in ceph, in particular as a. Jeff layton on tools for data migration insidebigdata.
View jeff laytons profile on linkedin, the worlds largest professional community. A howto guide for installing and configuring lustre 1. They will have separate addresses, and clients will need to be distributed between them manually. Rlab is an interactive, interpreted scientific programming environment. The ceph cluster can use storage on each individual k8s cluster node just as it when it is deployed on regular hosts. Crm customer service customer experience point of sale lead management event management survey. Provide an fsopen system call that starts the process of preparing to mount, using an fd as a context handle. Alpine alt linux arch linux centos debian fedora kaos mageia mint openmandriva opensuse openwrt pclinuxos slackware solus ubuntu. We decided instead to just build a glibc package for now with the patch above to use internally.
This is now fixed as far as linux next is concerned, but any non trivial conflicts should be mentioned to your upstream maintainer when your tree is submitted for merging. View the profiles of professionals named jeff layton on linkedin. A series of lame windows versions and apples decision to start using a real operating system as the basis of macos have seemingly turned the tide, and people are switching to linux like never before. Id like to introduce new cephfs kernel client maintainer jeff layton.
Deploying an activeactive nfs cluster over cephfs jeff layton. Recently, he has taken an interest in ceph, in particular as a backend for other network storage protocols. The newest threads will be at the top of this page, the oldest will be at the bottom. We also both like file systems and work on storage. Sign up or log in to save this to your schedule and see whos attending.
A container for hpc docker, ubercloud, shifter, and singularity. We recently ran into each other at a file system user group meeting and were discussing linux file systems and file systems in general over a great cuban dinner. It concludes with two tables summarizing key features and pricing for various size clusters. So dan, tell me a little bit about your personal journey with leadership. Do not permit write to a range m linux cif jeff layton 5. Jeff layton is a long time linux kernel developer specializing in network file systems. James bottomley, cto at parallels, jeff layton, senior software engineer. Rlab is a very high level language intended to provide fast prototyping and program development, as well as easy datavisualization, and processing. Filesystem in userspace sshfs building latest sshfs on. Cluster provisioning software, including alternatives such as rocks. Jono bacons dealing with disrespect given jono bacons experience as a community leader in free software, his latest book, dealing with disrespect, comes with high expectations. The future for linux storage, filesystems and memory management james bottomley cto, server virtualization at parallels, jeff layton senior software engineer at primary data and rik van riel principal software engineer at red hat. Jeff layton senior solution architect nvidia linkedin.
Jeff layton raleighdurham, north carolina area professional. The future for linux storage, filesystems and memory management james bottomley, ibm. Good evening, im trying to build the latest sshfs sshfsmaster on a centos 7. The state of file systems technology, test plan for linux. I focused on benchmarking applications rather than low level benchmarks or. This deployment is two independent nfs servers that are serving out the same backend filesystem. Recently, he has taken over as the maintainer of the linux kernels cephfs driver. One open source tool that can do both full and incremental backups is rsync. Containers have become an important part of the it industry because they are more efficient than full hardwarelevel virtualization, and they dramatically improve software packageability, portability, access and use of application software and tools, and software support and maintenance. If you are jeff layton please contact us experienced linux kernel programmer with a focus in filesystems, especially networked filesystems. Jun 06, 20 over at admin magazine, dells jeff layton has written a wideranging primer on getting started with hpc clusters.
The state of file systems technology, problem statement. One of the big things im seeing in the storage world recently, is the use of flash storage as a cache for storage devices andor file systems. There are a lot of applications that would like to have a cheap and. Rook deployed scalable nfs clusters exporting cephfs patrick. Jeff layton, senior software engineer at primary data. Multisession linux cifs, jeff layton samba team, redhat avoiding disk fragmentation, dr.
Jeff layton on getting started with hpc clusters insidehpc. Were also aware of the workaround and it does work. Reiserfs is a generalpurpose, journaled computer file system initially designed and implemented by a team at namesys led by hans reiser. Rlab is not a clone of languages such as those used by tools like matlab or matrixxxmath. Site is hosted in san francisco, california, 94110, united. Although commercial linux backup tools are available, many people prefer open source to better understand and control the backup process. I also access an hpc system that has its own homejlayton directory the login node is login1. In part 2 of our state of file systems technology series, jeff layton describes the approach and specs to be used in running the fsck wall clock time benchmarktest. Interview with the developer of singularity jeff layton sometimes we see the names of people working on the linux kernel or other highprofile projects, but we dont hear much about these people working behind the scenes that are contributing their knowledge for the greater good. Dave chinner, josh berkus software engineer, red hat. Lsfpc linux kernel impact on postgresql performance.
The three track leaders from the recent lsfmm summit will present the outcomes from the summit and some indications. We will not be using any sort of traditional clustering software e. See the complete profile on linkedin and discover jeff s. In his adminmagazine article, jeff layton explains the difference between virtual machines versus linux. For one thing, it is quite common for applications to ignore the return code from close. This article is the first ever attempt to provide a comprehensive look at cluster interconnects. Kernel developers summarize linux storage filesystem and. May 2005 prepared by richard alexander1, chad kerner2, jeffery kuehn,1 jeff layton3 patrice lucas4, hong ong1 sarp oral1 lex stein5, joshua schroeder6, steve woods7, scott studham1 prepared at oak ridge national laboratory, managed by utbattelle, llc, for the. Looking behind the big data storage buzz june 1, 2012 by rich brueckner leave a comment over at enterprise storage forum, henry newman writes that he and dells jeff layton are kicking off a series of features exploring the full hardware and softwares stacks surrounding big data. Aug 31, 2011 in the linux world, im aware of bcache and flashcache, and i know there is some effort from the dm team, but to be honest i see precious little coming out into the mainstream. Probably need some work to ensure that other syscalls dont leak info about dentries that are hidden by abe. Set up two clients each mounting different servers in the cluster, and see if they can both access data simultaneously. Dec 10, 2018 jeff layton post author january 4, 2019 at 10. View jeff layton s profile on linkedin, the worlds largest professional community.
Jeff layton and suresh jayaraman fixed several buffer overflows in the cifs filesystem which allow remote servers to cause memory corruption. Jun 17, 2011 our examination of the evergrowing linux file system scaling problem continues. Some filesystems use it internally, primarily to track changes to directories mostly for handling directory changes during readdir. Aur package repositories click here to return to the package base details page. Linkedin is the worlds largest business network, helping professionals like jeff layton discover inside connections to recommended job candidates, industry experts, and business partners. Linux software developers are working hard on expanding linuxs file and storage options. And while he covers the bases with traditional beowulf topics, layton says that using virtualization is a great path to understanding. To improve the performance of your applications, you need to conduct some kind of dynamic program, software, code analysis, also called profiling, to. By joining our community you will have the ability to post topics, receive our newsletter, use the advanced search, subscribe to threads and access many other special features. About jeff layton red hat principal software engineer raleigh, nc jeff layton is a long time linux kernel developer specializing in network. My goal this time around is to keep my test kernels reasonably up to date with respect to upstream code and with patches that i have queued for upstream.
Over at admin magazine, dells jeff layton has written a wideranging primer on getting started with hpc clusters. By jeff layton, march 05, 2004 with hard disk drives, you can count on one thing. Cz 2019 see what jeff layton will be attending and learn more about the event taking place jan 25 27, 2019 in brno, czech republic. He has made significant contributions to the kernels nfs client and server, the cifs client and the kernels vfs layer. Linux kernel development happens on mailing lists, rather than on github this github repository is a readonly mirror that isnt used for accepting contributions. Linux software developers are working hard on expanding linux s file and storage options. Contribute to torvalds linux development by creating an account on github. Most operating systems have the ability to mirror hard disk data to two or more drives, which helps guard against failure. Interview with the developer of singularity admin magazine. Check out what jeff layton will be attending at devconf. This deployment is two independent nfs servers that are. Fix write after setting a read l linux cif jeff layton 4. Sambas role in the linux desktop, steve langasek canonical samba management console smc, fabrizio manfredi. Most kernel subsystems just treat this field as an opaque value.
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