[Users] OpenVZ and Gentoo (partly solved)
Wilhelm Meier
meier at informatik.fh-kl.de
Thu Jan 5 13:27:52 EST 2006
Am Donnerstag, 5. Januar 2006 17:15 schrieb Kirill Korotaev:
> found it!
> you need to start VPS and then do bind mount, since vzctl redo mounts on
> VPS start, so my 1st proposal for you was wrong. sorry :)
no problem. It tried it already, and now I get "permissin denied" if I try to
access the directory from inside the VPS.
> the best way you can do it actually is to insert your special mounts in
> VPS mount script which will be automatically run on VPS start.
This must be done on the host. Is there a possibility to execute scripts by
vzctl start?
> Please note, on 2.6.8 kernel bind mount is still rw :(
o.k.
>
> Kirill
>
> > Am Donnerstag, 5. Januar 2006 16:27 schrieb Kirill Korotaev:
> >>can you give me an access? it will be much faster...
> >>if so, send me a private mail with login please.
> >
> > Sorry, thats not possible ...
> >
> >>Kirill
> >>
> >>>Am Donnerstag, 5. Januar 2006 15:25 schrieb Kirill Korotaev:
> >>>>>The network issue is partly solved: I do not use the gentoo net.lo
> >>>>>script for net.venet0 anymore, instead I setup the interfaces venet0
> >>>>>and venet0:0 with the attached workaround-script.
> >>>>>
> >>>>>But, how do I bind-mount directories from to host to the VPS, e.g. to
> >>>>>use /usr/portage in the VPD too. If I try to (on host)
> >>>>>
> >>>>>gs ~ # mount /usr/portage /vz/private/2001/usr/portage/ -o bind,ro
> >>>>
> >>>>try /vz/root/2001/usr/portage after VPS is mounted.
> >>>
> >>>does not solve the problem.
> >>>
> >>>on host:
> >>>
> >>>gs ~ # vzctl mount 2001
> >>>VPS is mounted
> >>>gs ~ # mount /usr/portage /vz/root/2001/usr/portage -o bind,ro
> >>>gs ~ # mount
> >>>/dev/hda1 on / type ext3 (rw,noatime)
> >>>proc on /proc type proc (rw)
> >>>sysfs on /sys type sysfs (rw)
> >>>udev on /dev type tmpfs (rw,nosuid)
> >>>devpts on /dev/pts type devpts (rw)
> >>>/dev/hdb1 on /tftproot type ext3 (rw,noatime)
> >>>shm on /dev/shm type tmpfs (rw,noexec,nosuid,nodev)
> >>>192.168.39.1:/home/lmeier on /root/lmeier type nfs
> >>> (rw,addr=192.168.39.1) none on proc type proc (rw)
> >>>/usr/portage on /vz/root/2001/usr/portage type none (ro,bind)
> >>>gs ~ #
> >>>
> >>>in the VPS:
> >>>
> >>>ovz01 usr # ls
> >>>bin include libexec portage sbin src
> >>>i386-pc-linux-gnu lib local portage.vps share tmp
> >>>ovz01 usr # ls -l portage
> >>>total 0
> >>>ovz01 usr #
> >>>
> >>>>>I get
> >>>>>
> >>>>>ovz01 usr # ls
> >>>>>bin i386-pc-linux-gnu include lib libexec local portage sbin
> >>>>>share src tmp
> >>>>>ovz01 usr # ls portage
> >>>>>ovz01 usr #
> >>>>>
> >>>>>on the VPS ovz01. Whats wrong?
> >>>>>
> >>>>>- Wilhelm
> >>>>>
> >>>>>Am Mittwoch, 4. Januar 2006 17:28 schrieb Wilhelm Meier:
> >>>>>>Am Mittwoch, 4. Januar 2006 09:51 schrieb Kirill Korotaev:
> >>>>>>>so you run Gentoo inside VPS yeah?
> >>>>>>
> >>>>>>Well, I try to ...
> >>>>>>
> >>>>>>>the problem seems to be in your initscripts, which didn't mount
> >>>>>>> /proc on VPS start and didn't create /dev/ptyX entries for terminal
> >>>>>>> devices. Looks like the only process in your VPS is init,
> >>>>>>> strange...
> >>>>>>
> >>>>>>I created the needed /dev/ttyp0 and /dev/ttyp0 by hand
> >>>>>>in /vz/private/<id>/dev/ and mount also /proc by hand. Then it is
> >>>>>>possible to enter the gentoo-VPS:
> >>>>>>
> >>>>>>gs ~ # vzctl enter 2001
> >>>>>>entered into VPS 2001
> >>>>>>ovz01 / # ps aux
> >>>>>>USER PID %CPU %MEM VSZ RSS TTY STAT START TIME
> >>>>>>COMMAND root 1 0.0 0.1 1368 480 ? Ss 17:06
> >>>>>>0:00 ini root 14644 0.0 0.3 1740 780 ? Ss 17:14
> >>>>>>0:00 vzctl: ttyp0 root 15669 0.5 0.5 2244 1288 ttyp0 Ss
> >>>>>>17:14 0:00 bash -i root 15671 0.0 0.3 2376 836 ttyp0
> >>>>>> R+ 17:14 0:00 ps aux ovz01 / #
> >>>>>>
> >>>>>>I also copied /etc/init.d/net.lo to the VPS and some additional
> >>>>>>scripts, which are apparently missing.
> >>>>>>But in the gentoo-VPS I get still:
> >>>>>>
> >>>>>>ovz01 / # /etc/init.d/net.venet0 start
> >>>>>>* Starting
> >>>>>>* no interface module has been loaded
> >>>>>>ovz01 / #
> >>>>>>ovz01 / # /sbin/ifconfig -a
> >>>>>>lo Link encap:Local Loopback
> >>>>>> LOOPBACK MTU:16436 Metric:1
> >>>>>> RX packets:38 errors:0 dropped:0 overruns:0 frame:0
> >>>>>> TX packets:38 errors:0 dropped:0 overruns:0 carrier:0
> >>>>>> collisions:0 txqueuelen:0
> >>>>>> RX bytes:2660 (2.5 Kb) TX bytes:2660 (2.5 Kb)
> >>>>>>
> >>>>>>venet0 Link encap:UNSPEC HWaddr
> >>>>>>00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
> >>>>>> BROADCAST POINTOPOINT NOARP MTU:1500 Metric:1
> >>>>>> RX packets:0 errors:0 dropped:0 overruns:0 frame:0
> >>>>>> TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
> >>>>>> collisions:0 txqueuelen:0
> >>>>>> RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
> >>>>>>
> >>>>>>ovz01 / #
> >>>>>>
> >>>>>>If I try that with a debian-guest on the gentoo-host, I get:
> >>>>>>
> >>>>>>gs ~ # vzctl enter 2002
> >>>>>>entered into VPS 2002
> >>>>>>root at ovz02:/# ifconfig -a
> >>>>>>lo Link encap:Local Loopback
> >>>>>> LOOPBACK MTU:16436 Metric:1
> >>>>>> RX packets:38 errors:0 dropped:0 overruns:0 frame:0
> >>>>>> TX packets:38 errors:0 dropped:0 overruns:0 carrier:0
> >>>>>> collisions:0 txqueuelen:0
> >>>>>> RX bytes:2660 (2.5 KiB) TX bytes:2660 (2.5 KiB)
> >>>>>>
> >>>>>>venet0 Link encap:UNSPEC HWaddr
> >>>>>>00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
> >>>>>> inet addr:127.0.0.1 P-t-P:127.0.0.1 Bcast:0.0.0.0
> >>>>>>Mask:255.255.255.255
> >>>>>> UP BROADCAST POINTOPOINT RUNNING NOARP MTU:1500 Metric:1
> >>>>>> RX packets:3 errors:0 dropped:0 overruns:0 frame:0
> >>>>>> TX packets:3 errors:0 dropped:0 overruns:0 carrier:0
> >>>>>> collisions:0 txqueuelen:0
> >>>>>> RX bytes:252 (252.0 b) TX bytes:252 (252.0 b)
> >>>>>>
> >>>>>>venet0:0 Link encap:UNSPEC HWaddr
> >>>>>>00-00-FF-FF-FF-FF-00-00-00-00-00-00-00-00-00-00
> >>>>>> inet addr:192.168.39.22 P-t-P:192.168.39.22 Bcast:0.0.0.0
> >>>>>>Mask:255.255.255.255
> >>>>>> UP BROADCAST POINTOPOINT RUNNING NOARP MTU:1500 Metric:1
> >>>>>>
> >>>>>>root at ovz02:/#
> >>>>>>
> >>>>>>So the interface venet0:0 is missing in the gentoo-guest.
> >>>>>>
> >>>>>>>kir@ who is in charge of Gentoo will be available after Jan 7 only,
> >>>>>>>but I can check what's wrong with your VPS if you provide me the
> >>>>>>>credentials in private email.
> >>>>>>>
> >>>>>>>Kirill
> >>>>>>>
> >>>>>>>>Hi,
> >>>>>>>>
> >>>>>>>>I want to use OpenVZ with Gentoo. I did the install of OpenVZ as
> >>>>>>>>described in
> >>>>>>>>
> >>>>>>>>http://dev.croup.de/proj/gentoo-vps/wiki
> >>>>>>>>
> >>>>>>>>When I try to enter, I get:
> >>>>>>>>
> >>>>>>>>gs ~ # vzctl start 2001
> >>>>>>>>Starting VPS ...
> >>>>>>>>VPS is mounted
> >>>>>>>>Setting CPU units: 1000
> >>>>>>>>VPS start in progress...
> >>>>>>>>gs ~ # vzctl status 2001
> >>>>>>>>VPSID 2001 exist mounted running
> >>>>>>>>gs ~ # vzctl enter 2001
> >>>>>>>>Unable to open pty: No such file or directory
> >>>>>>>>enter failed
> >>>>>>>>gs ~ #
> >>>>>>>>
> >>>>>>>>and
> >>>>>>>>
> >>>>>>>>gs ~ # vzctl exec 2001 ps aux
> >>>>>>>>Error, do this: mount -t proc proc /proc
> >>>>>>>>gs ~ # vzctl exec 2001 mount -t proc none /proc
> >>>>>>>>gs ~ # vzctl exec 2001 ps aux
> >>>>>>>>USER PID %CPU %MEM VSZ RSS TTY STAT START TIME
> >>>>>>>>COMMAND root 1 0.0 0.1 1368 480 ? Ss 00:30
> >>>>>>>>0:00 ini root 22894 0.0 0.3 2372 832 ? Rs 00:31
> >>>>>>>>0:00 ps aux gs ~ #
> >>>>>>>>
> >>>>>>>>Any hints?
> >>>>>>>>--
> >>>>>>>>Wilhelm Meier
> >>>>>>>>email: meier at informatik.fh-kl.de
> >>>>>>>>_______________________________________________
> >>>>>>>>Users mailing list
> >>>>>>>>Users at openvz.org
> >>>>>>>>https://openvz.org/mailman/listinfo/users
--
--
Wilhelm Meier
email: meier at informatik.fh-kl.de
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