#ceph IRC Log

Index

IRC Log for 2011-06-06

Timestamps are in GMT/BST.

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[10:04] <damoxc> does anyone know the correct way to rename metadata servers?
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[14:01] <sugoruyo> hi all, i'm setting up a small ceph test system and i'm having some really bad problems with it... just about every write to the f/s above 1-2 MB seems to hang the client, for example copying an .iso image for a CD, hangs everything at around 60MB. What's more almost all I/O on the client seems to hang as well, saving a file from openoffice, or installing a package, as well as shutting down/rebooting the client
[14:01] <sugoruyo> has this happened to anyone here? can someone help diagnose/resolve this?
[14:05] <sugoruyo> also i'm seeing really weird space usage, on a system that's just been `mkcephfs`'d on empty btrfs partitions i would see about 50MB space used, and with a failed transfer of a 670MB file, where only 59MB appear to have been written to the file itself, i see a usage of 496MB in `df -h`
[14:05] <sugoruyo> while deleting the 59MB file only frees up 9MB of space
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[19:13] <sagewk1> bchrisman: skype at 10:15?
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[19:15] <bchrisman> sagewk1: ok
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[23:23] <Tv> http://ceph.newdream.net/git/?p=teuthology.git;a=blob;f=README.rst;h=0e061edf43e8d2b5ba6ac5bfb61efb31aa76ceee;hb=master
[23:23] <Tv> need volunteers to read that and sit down to talk about it
[23:23] <Tv> sagewk1, sjust, joshd: ^
[23:23] <sjust> ok
[23:23] <sjust> reading now!
[23:26] <Tv> "The study of cephalopods is a branch of malacology known as teuthology."
[23:31] <darkfader> Tv: looking from the "outside" i miss at least one example function that a task would run via ssh on a nother box
[23:31] <Tv> darkfader: yeah right now i'm kinda assuming you'll browse source of existing tasks
[23:31] <Tv> darkfader: needed to get stuff out of the door..
[23:31] <darkfader> ok then just name one to look at like you did for the context manager
[23:32] <Tv> almost all of them
[23:32] <darkfader> hehe ok
[23:32] <Tv> because running things remotely is pretty much the whole purpose of the thing ;)
[23:32] <darkfader> *g*
[23:32] <darkfader> don't give me ideas of using it as a failsafe admin tool
[23:32] <Tv> you may like orchestra
[23:33] <darkfader> you had me at the reverse unwind of the cleanup functions
[23:33] <Tv> orchestra is the lower-level "ssh connections in python with gevent" library
[23:33] <Tv> something that fabric etc *should* have written as a separate library, but didn't
[23:34] <Tv> http://ceph.newdream.net/git/?p=orchestra.git
[23:34] <darkfader> *scratch* i dont understand that... why is there paramiko and orchestra?
[23:34] <Tv> no docs but <1000 lines
[23:34] <Tv> paramiko is very very low-level
[23:34] <darkfader> ahhh ic
[23:34] <darkfader> ok cool happy happy
[23:35] <darkfader> wee. that's reallt neat and small
[23:37] <darkfader> well anyway the rest of the readme was understandable, but you could add some more praise :)
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