#ceph IRC Log

Index

IRC Log for 2011-09-20

Timestamps are in GMT/BST.

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[0:34] <yehudasa> anyone got any idea why client logs are not dumped to stdout/stderr anymore?
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[0:41] <gregaf> because it was annoying? there's a flag somewhere that you can set, dunno which though
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[0:53] <yehudasa> gregaf: the flag doesn't work.. it only works now if --log-file is specified which (imho) is wrong
[0:53] <gregaf> hmm, that's not good then
[0:53] <gregaf> maybe an issue with counting sources and sinks, or whatever it is that the logging does now
[0:57] <joshd> seems to work by default for me
[0:58] <joshd> log_file is set to "" by default
[0:58] <ajm> anyone know of a doc that has some information on the cavets of backing ceph with different filesystems other than btrfs ?
[1:05] <Tv|work> ajm: btrfs lets us do something that should make it faster; others don't; any POSIX filesystem with xattrs should work
[1:05] <Tv|work> s/something/some things/
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[1:54] <ajm> Tv|work: i'm basically trying to narrow down some performance issues i'm having, i think btrfs might not be helping
[1:54] <Tv|work> ajm: fairly believable; we get random reports of long sync times
[1:54] <ajm> thats exactly what i'm seeing
[1:54] <ajm> at least I think
[1:55] <ajm> some operations take unbelievable amounts of time
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[18:38] <Tv|work> fyi: i'm fiddling with sepia installation, you may not want to reimage those machines right now
[18:38] <Tv|work> it mostly works but i sometimes make typos ;)
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[19:49] <lxo> gregaf, I've filed http://tracker.newdream.net/issues/1548 but I haven't been able to upload the mds logs, AFAICT the server times out before I'm done uploading it. how else can I get it to you?
[19:51] <lxo> woah, interesting html rendering of the shell session and gdb backtrace there ;-)
[19:52] <Tv|work> lxo: you can attach as file or wrap in <pre></pre> to avoid that
[19:52] <lxo> yeah, too late now. AFAICT nothing was lost, it just looks funny
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[20:03] <Tv|work> DEBIAN_FRONTEND=text makes serial consoles so much more pleasant
[20:03] <Tv|work> Loading additional components ..10%..20%..30%..40%..50%..60%..70%..80%..90%..100%
[20:03] <Tv|work> Detecting disks and all other hardware ..94%..100%
[20:03] <Tv|work> Loading additional components ..25%..50%..75%..100%
[20:04] <Tv|work> yay for no curses
[20:07] * sagelap (~sage@m8c0536d0.tmodns.net) has joined #ceph
[20:08] <sagelap> tv: have the gitbuilders been updated to pull from github yet?
[20:08] <Tv|work> sagelap: yes
[20:09] <greglap> lxo: sorry, was in a meeting ??? if you don't have some space to post it on we can give you access to a drop point, but it'll have to be later; I got moved over to a priority project today :)
[20:09] <Tv|work> sagelap: kernel gitbuilder probably still fails due to kernel.org being down
[20:09] <Tv|work> *fails to update
[20:09] <sagelap> it looks like the kernel one isn't?
[20:09] <sagelap> oh right
[20:09] <sagelap> should we just remove that as an alternate? what does that actually accomplish anyway?
[20:09] <Tv|work> sagelap: it makes sure we get the tags
[20:10] <Tv|work> sagelap: not much else i think
[20:10] <Tv|work> git describe was wonky without it
[20:10] <sagelap> ah. we should do that on the dho one :)
[20:10] <sagelap> in the meantiem can we just switch it to github.com/torvalds/linux ?
[20:10] <Tv|work> sagelap: last i looked we failed to consistently have uptodate tags in our clone..
[20:10] <Tv|work> sure
[20:10] <sagelap> a bunch of the rbd qa failures should be fixed now in the updated master
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[20:11] <sagelap> yeah, you have to explicitly push the tags and i rarely remember
[20:11] <sagelap> thanks
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[20:11] <lxo> greglap, I was thinking of e-mail; 16MB is not that huge. but I guess I could put it up on some http server if it's better
[20:12] <lxo> greglap1 ^
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[20:13] <Tv|work> sad reality of internet: if you provide an easy way to share big files, people use it for warez
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[20:15] <lxo> Tv|work, solution should be easy: let's stop prohibiting people from doing what they want that doesn't harm anyone else ;-)
[20:15] <Tv|work> lxo: and hold hands and sing Kumbaya
[20:16] <Tv|work> sage: gitbuilder updating
[20:16] <Tv|work> lxo: one of my design principles is "don't prohibit what you can't prevent"
[20:18] <greglap1> lxo: you couldn't get 16MB uploaded to the tracker as an attachment?
[20:18] <greglap1> if that doesn't work just email me: gregory.farnumATdreamhost.com
[20:19] <Tv|work> i wish i could ssh into these BIOSes.. :(
[20:21] <lxo> greglap1, yeah, I'm getting a 500 error after a couple of minutes or so
[20:22] <greglap1> ugh, must be our database crapping out :( just email me
[20:22] <lxo> maybe I should stop seeding GNU/Linux-libre distros and stop tor for a bit to get it through. will try that, but IRC will go down. BIAB
[20:23] <lxo> will e-mail, then
[20:23] <greglap1> thanks
[20:24] <lxo> thank you!
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[20:34] <lxo> greglap1, it just got out of my systems, should be in your inbox soon
[20:34] <greglap1> yep, I see it
[20:35] <lxo> and now for something completely different... (just got another mds crash while trying to assess the state of earlier snapshots, but that will be looked into after I get some real work done ;-)
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[22:48] <xns> updated 1538 with the scenario that seems to be causing my deadlock, still learning some of caps/loner pieces but maybe it'll be obvious to one of you guys.
[22:52] <danielf> Does anyone know how to set the crush_rule for a pool?
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[22:59] <sjustlaptop> danielf: one sec, looking
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[23:01] <sjustlaptop> danelf: http://ceph.newdream.net/wiki/Custom_data_placement_with_CRUSH
[23:01] <sjustlaptop> that has the instructions for setting up the rules in the crush map
[23:02] <sjustlaptop> in the rule data { section
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[23:03] <danielf> sjustlaptop: Right, I have a new rule set up, and gave it the same name as the pool I then created. However, the pool uses crush_rule 0 (ie. data)
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[23:21] <sjust> ruleset 1
[23:21] <sjust> I think that sets the ruleset used
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[23:28] <danielf> sjust: sorry, I don't quite understand
[23:37] <danielf> sjust: Ah: 'rados mkpool newpool ruleset 3'
[23:38] <danielf> sjust: thanks
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