I don't mean to hijack this thread, but I'm curious to learn more about what vspace and cgroups are, and how they are used in vserver. I couldn't find any info in the vserver wiki about it. Can anyone point me to any documentation? Thanks, John On Thu, Jan 22, 2009 at 6:26 AM, Andreas Baetz <lac01@web.de> wrote: > Hi, > > it seems that during vserver start /usr/sbin/vspace creates a cgroup > that conflicts with the cgroup to be used when > creating /etc/vserver/name/cgroup > Please see below: > > # ls -la /dev/cgroup > total 0 > drwxr-xr-x 3 root root 0 Jan 22 13:02 . > drwxr-xr-x 12 root root 14700 Jan 22 09:29 .. > -rw-r--r-- 1 root root 0 Jan 22 09:31 cpuacct.usage > -rw-r--r-- 1 root root 0 Jan 22 09:31 devices.allow > -rw-r--r-- 1 root root 0 Jan 22 09:31 devices.deny > -rw-r--r-- 1 root root 0 Jan 22 09:31 devices.list > -rw-r--r-- 1 root root 0 Jan 22 11:24 notify_on_release > -rw-r--r-- 1 root root 0 Jan 22 11:52 release_agent > -rw-r--r-- 1 root root 0 Jan 22 11:53 tasks > > # mkdir /etc/vserver/deb4/cgroup > > # vserver deb4 start > /usr/lib/util-vserver/vserver.functions: line > 1491: /dev/cgroup/deb4/tasks: No such file or directory > > > Failed to start vserver 'deb4' > > # ls -la /dev/cgroup > total 0 > drwxr-xr-x 3 root root 0 Jan 22 13:02 . > drwxr-xr-x 12 root root 14700 Jan 22 09:29 .. > drwxr-xr-x 3 root root 0 Jan 22 13:02 26191 > -rw-r--r-- 1 root root 0 Jan 22 09:31 cpuacct.usage > -rw-r--r-- 1 root root 0 Jan 22 09:31 devices.allow > -rw-r--r-- 1 root root 0 Jan 22 09:31 devices.deny > -rw-r--r-- 1 root root 0 Jan 22 09:31 devices.list > -rw-r--r-- 1 root root 0 Jan 22 11:24 notify_on_release > -rw-r--r-- 1 root root 0 Jan 22 11:52 release_agent > -rw-r--r-- 1 root root 0 Jan 22 11:53 tasks > > That cgroup (in this case 26191) is created while running "exec $_VNAMESPACE --new" > during the exceution of /usr/sbin/vserver. > > > # /usr/sbin/vspace --version > vspace 0.30.216-pre2772 -- manages spaces > This program is part of util-vserver 0.30.216-pre2772 > > > Is there a way to create the right cgroup (deb4) from the beginning ? > > > Andreas > > > ********************************************************************** > This email and any files transmitted with it are confidential and > intended solely for the use of the individual or entity to whom they > are addressed. If you have received this email in error please notify > the system manager. > ********************************************************************** > > -- John Alberts