Re: Performence test on ceph v0.23 + EXT4 and Btrfs

[Jeff Wu <cpwu@tnsoft.com.cn>]

在 2010-12-02四的 10:35 +0800，Gregory Farnum写道：
> On Wed, Dec 1, 2010 at 5:38 PM, Jeff Wu <cpwu@tnsoft.com.cn> wrote:
> >> > and i also detect a issue ,take the following steps:
> >> >
> >> > $. mckephfs -c ceph.conf -v --mkbtrfs -a
> >> > $  init-ceph - ceph.conf --btrfs -v -a start
> >> > then execute:
> >> > $  init-ceph - ceph.conf --btrfs -v -a stop
> >> >
> >> > this command can't stop OSD0 and OSD1 cosd process:
> >> > OSD0:
> >> > /usr/local/bin/cosd -i 0 -c ceph.conf
> >> > OSD1:
> >> > /usr/local/bin/cosd -i 1 -c ceph.conf
> >> Not sure I understand what you're doing here. Also, it looks like
> >> you've got a malformed command there -- you don't specify the "-c"
> >> option, just the nonexistent "-" option. ;)
> >
> > Oh,Sorry, i mean that , if i don't create folder "/var/run/ceph" at OSD
> > hosts manually. Execute the command : "$init-ceph -c ceph.conf --btrfs
> > -v -a stop " ,which can't auto-kill OSD host cosd process, like this :
> > OSD0 host:
> > $ ps -ef | grep cosd
> > root     13987     1  0 Dec01 ?        00:02:55 /usr/local/bin/cosd -i 0
> > -c ceph.conf
> > OSD1 host:
> > $ ps -ef | grep cosd
> > root     14028     1  0 Dec01 ?        00:02:53 /usr/local/bin/cosd -i 1
> > -c ceph.conf
> >
> > I have to execute "kill -9 13987 " and "kill -9 14028" to kill cosd
> > process manually, or ,next time , it will fail to execute "$ init-ceph
> > -c ceph.conf --btrfs -v -a start " command.
> Ah. I think that /var/run/ceph is where init-ceph stores the PIDs. It
> ought to be created automatically; if it's not we should fix that.
> What version of Ceph are you running, and where from? I'd imagine it's
> being packaged wrong or something.

Hi ,
i download ceph 0.23 from 
http://ceph.newdream.net/download/ceph-0.23.tar.gz

So , maybe , should i add 
"
[global]
       pid file = /var/run/ceph/$name.pid
..............................
"
at ceph.conf ?





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