AW: [Users] Remote storage and migration

Jan Tomasek jan at tomasek.cz
Mon Aug 10 14:20:31 EDT 2009


Robert Heinzmann wrote:
> Did your machine continue to run successfully on the second machine ? 

So far yes, but it does nothing:

> root at mig:/# ps aux
> USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
> root         1  0.0  0.0   1944   160 ?        Ss   17:32   0:00 init [2]      
> root     13556  0.0  0.1   1624   292 ?        Ss   17:33   0:00 /sbin/syslogd
> root     13562  0.0  0.0   1576    80 ?        Ss   17:33   0:00 /sbin/klogd -x
> root     13583  0.0  0.3   4924   828 ?        Ss   17:33   0:00 /usr/sbin/sshd
> root     13600  0.0  0.1   2192   336 ?        Ss   17:33   0:00 /usr/sbin/cron
> root     13642  0.0  0.3   2768   884 ?        Ss   17:33   0:00 SCREEN
> root     13643  0.0  0.1   2728   336 pts/1    Ss   17:33   0:00 /bin/sh
> root     13645  0.0  0.2   2228   628 pts/1    S+   17:33   0:00 top
> root     13738  0.0  0.1  11200   352 ?        Rs   20:11   0:00 vzctl: pts/0      
> root     13739  0.0  0.5   2704  1540 pts/0    Ss   20:11   0:00 -bash
> root     13746  0.0  0.3   2216   892 pts/0    R+   20:11   0:00 ps aux

I've discovered one weirdness:

> root at mig:/# df -h
> Filesystem            Size  Used Avail Use% Mounted on
> /dev/simfs            2.0G  1.8G  229M  89% /
> none                   32G     0   32G   0% /lib/init/rw
> none                   32G     0   32G   0% /dev/shm
> root at mig:/# du -sh
> 330M    .


> I had a problem with this procedure on Debian Lenny.
> 
> http://bugzilla.openvz.org/show_bug.cgi?id=1292
> 
> If your machine is really stable can you describe your environment ?
> (Distribution, Kernel etc.) 

I've learned about migration in OpenVZ today, I've no real experience
with it so I can not judge if it is stable or not.

I'm running RHEL 5.3, with kernel 2.6.18-128.1.1.el5.028stab062.3
x86_64. VE is uptodate Debian Lenny.

-- 
-----------------------
Jan Tomasek aka Semik
http://www.tomasek.cz/

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