[OpenAFS] about openafs , fileserver process , performance

3.11 Openafs server, serve big file ( 5Go ) I do some benchmark , cat /afs/mycell.com/bigfile /dev/null on openafs clients and i see a bottleneck of 25MBytes/s on server side ( fileserver process) . My ethernet link are 1Gbit/s How can I suppress this bottleneck ? Regards, Nicolas Prochazka

Re: [OpenAFS] Re: about openafs , fileserver process , performance

Thanks for this information, RTT is around 1ms-2ms , so i near the theorical throughput, Regards, Nicolas Prochazka. 2014-02-20 19:20 GMT+01:00 Andrew Deason adea...@sinenomine.net: On Thu, 20 Feb 2014 14:33:15 +0100 nicolas prochazka prochazka.nico...@gmail.com wrote: I do some benchmark

Re: [OpenAFS] Re: Afsd and connection timeout

Ok, thanks for this information. i can try it. Regards, Nicolas Prochazka 2014/1/6 Andrew Deason adea...@sinenomine.net: On Thu, 26 Dec 2013 23:15:02 +0100 nicolas prochazka prochazka.nico...@gmail.com wrote: I need some help to understand how afsd works with openafs server crash. Sorry

[OpenAFS] Afsd and connection timeout

Test 1 ( 1,2,3 ) I can use data during 3H Test 2 ( 1,2,3) I can use data during 30min Test 3 ( 1,2,3 ) I can use data during 1h20 Regards, Nicolas Prochazka. ___ OpenAFS-info mailing list OpenAFS-info@openafs.org https://lists.openafs.org/mailman

Re: [OpenAFS] About openafs discon mode

ok, thank for all these explanations, if i refer to these slides : http://workshop.openafs.org/afsbpw08/talks/fri_1/Disconnected.pdf ;) fs discon mode on read only must work . I test discon mode using R/W volume , do you think it works better with RO volume ? Regards, Nicolas Prochazka 2013

[OpenAFS] About openafs discon mode

for all files if i redo a fs discon on , then it works again. I want to use this mode for my portable computer. Regards, Nicolas Prochazka ___ OpenAFS-info mailing list OpenAFS-info@openafs.org https://lists.openafs.org/mailman/listinfo/openafs-info

Re: [OpenAFS] About openafs discon mode

ok, is it possible to define cache entrie timeout by configuration or by hacking code ? Regards, Nicolas Prochazka 2013/12/20 Brandon Allbery ballb...@sinenomine.net: On Fri, 2013-12-20 at 17:03 +0100, nicolas prochazka wrote: 1 - find /afs/test.com -type f -exec cat {} /dev/null \; 2 - fs

Re: [OpenAFS] About openafs discon mode

I only use afs files in read only , so it should not be a problem, I cannot find this parameter ( cache entry timeout ) of two hours in code. Regards, Nicolas Prochazka. 2013/12/20 Jeffrey Hutzelman jh...@cmu.edu: On Fri, 2013-12-20 at 17:30 +0100, nicolas prochazka wrote: ok, is it possible

Re: [OpenAFS] About openafs discon mode

ok, so discon mode cannot work ? and is it possible to define callback expiration time ? ( hacking code is a solution for me, 2h=24h) Regards, Nicolas Prochazka 2013/12/20 Jeffrey Hutzelman jh...@cmu.edu On Fri, 2013-12-20 at 18:02 +0100, nicolas prochazka wrote: I only use afs files

Re: [OpenAFS] [ openafs-devel ] kernel panic

you reproduce the problem with an ext4 cache? Regards, Stephan On 2013-11-18, at 16:34, nicolas prochazka prochazka.nico...@gmail.com wrote: I've never seen this problem with previous version, but i do some update in same time kernel 3.11.7 + openafs 1.6.5.1 : no problem

[OpenAFS] [ openafs-devel ] kernel panic

. Regards, Nicolas Prochazka ___ OpenAFS-info mailing list OpenAFS-info@openafs.org https://lists.openafs.org/mailman/listinfo/openafs-info

[OpenAFS] Re: [ openafs-devel ] kernel panic

Hello again, some tests after, it seems to be a bad configuration in my side : use of openafs 1.6.6pre1 kernel module with openafs 1.6.5.1 afsd cache daemons Regards, Nicolas Prochazka 2013/11/18 nicolas prochazka prochazka.nico...@gmail.com: hello, setup : openafs : OpenAFS 1.6.6pre1

[OpenAFS] Re: [ openafs-devel ] kernel panic

hello again, and sorry for the spam. After 30m of copy, the bug persist with 1.6.6pre1 module / afsd Regards, Nicolas Prochazka 2013/11/18 nicolas prochazka prochazka.nico...@gmail.com: Hello again, some tests after, it seems to be a bad configuration in my side : use of openafs 1.6.6pre1

Re: [OpenAFS] [ openafs-devel ] kernel panic

, Stephan On 2013-11-18, at 14:33, nicolas prochazka prochazka.nico...@gmail.com wrote: hello again, and sorry for the spam. After 30m of copy, the bug persist with 1.6.6pre1 module / afsd Regards, Nicolas Prochazka 2013/11/18 nicolas prochazka prochazka.nico...@gmail.com

Re: [OpenAFS] [ Openafs : cache on zfs ]

Thanks for this link,it is very interesting Regards. 2013/10/4 Dirk Heinrichs dirk.heinri...@altum.de: Am Donnerstag 03 Oktober 2013, 19:34:27 schrieb nicolas prochazka: after some tests to use zfs as afs cache, linux kernel tells : BUG : soft lockup - CPU0 stuck for 23s ! [ afs_cachetrim

Re: [OpenAFS] [ OpenAFS - Cache FileSystem ]

Ok, thanks for this precision about openafs cache. Regards, Nicolas Prochazka 2013/10/3 Marc Dionne marc.c.dio...@gmail.com: On Wed, Oct 2, 2013 at 3:48 PM, nicolas prochazka prochazka.nico...@gmail.com wrote: Hello, For your intention, In Faq, we can read : The OpenAFS cache manager

[OpenAFS] Re: [ Openafs : cache on zfs ]

hello, sorry for the spam, this is a misconfigured cache option. Regards, Nicolas Prochazka. 2013/10/3 nicolas prochazka prochazka.nico...@gmail.com: Hello again , after some tests to use zfs as afs cache, linux kernel tells : BUG : soft lockup - CPU0 stuck for 23s ! [ afs_cachetrim:2908

[OpenAFS] [ OpenAFS - Cache FileSystem ]

Hello, For your intention, In Faq, we can read : The OpenAFS cache manager will detect an unsupported filesystem and refuse to start. The following file systems have been reported to work for the AFS client cache: ext2 ext3 hfs (HP-UX) xfs (at least on IRIX 6.5) ufs (Solaris, ?Tru64Unix) But

Re: [OpenAFS] Re: [ OpenAFS ] 1.6.x / module compilation / 3.11

Thank you for your explanation and your time on openafs Regards, Nicolas Prochazka. 2013/9/17 Stephan Wiesand stephan.wies...@desy.de: On Sep 16, 2013, at 21:31 , Andrew Deason wrote: On Mon, 16 Sep 2013 23:13:34 +0200 nicolas prochazka prochazka.nico...@gmail.com wrote: Hello, Why

Re: [OpenAFS] Re: [ OpenAFS ] 1.6.x / module compilation / 3.11

Hello, Why the git commit 1f577e41b65e9bd213a915a296ecf5bedd17fcc1 ( Linux 3.11: Adapt to d_count changes ) is only commit on master branch and not into the 1.6 stable branch ? Regards, Nicolas Prochazka 2013/9/3 Andrew Deason adea...@sinenomine.net: On Tue, 3 Sep 2013 10:24:01 -0500 Andrew

[OpenAFS] [ OpenAFS ] 1.6.x / module compilation / 3.11

hello, it seems tha't https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=98474236f72e5a8b89c14cd7c74f0bb77a4b1a99 recent change cause openafs git tree module ( 1.6.x) does not comile anymore with kernel 3.11 Regards, Nicolas Prochazka

Re: [OpenAFS] Re: About cache persistence over reboot ( again )

Hello, thanks for your support, my cacheinfo file was different between the first install and all other reboot. Now it seems to work . Regards, Nicolas Prochazka. 2013/8/9 Andrew Deason adea...@sinenomine.net: On Thu, 8 Aug 2013 23:55:22 +0200 nicolas prochazka prochazka.nico...@gmail.com wrote

[OpenAFS] About cache persistence over reboot ( again )

in kernel. SScall(183, 28, 31)=0 SScall(183, 28, 29)=0 afsd: Forking AFS daemon. .. Best Regards, Nicolas Prochazka. ___ OpenAFS-info mailing list OpenAFS-info@openafs.org https://lists.openafs.org/mailman/listinfo/openafs-info

[OpenAFS] Openafs 1.6.4 Release

Hello, Is there any reason why openafs 1.6.4 is not release ? ( source tar.gz in openafs site is more usuable for ebuild gentoo packager for example) Regards, Nicoolas Prochazka.

Re: [OpenAFS] About cache persistence over reboot

I've tried with 1.6.3 with the same result ( non persistence ) , but I forgot to recompile kernel module libafs.ko ... perhaps the bug comes in it ? Regards, Nicolas 2013/6/13 Stephan Wiesand stephan.wies...@desy.de: Hello Nicolas, On Jun 13, 2013, at 18:46 , nicolas prochazka wrote: Hello