<br><div class="gmail_quote">2009/9/30 Vitaliy Gusev <span dir="ltr"><<a href="mailto:vgusev@openvz.org">vgusev@openvz.org</a>></span><br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
On Wednesday 30 September 2009 12:13:39 pm Anthony - wrote:<br>
<br>
Ok, I will ivestigate this. But why /var/lock is mounted twice in VE (before chkpnt) ?<br></blockquote><div><br>I don't know, I just rebooted and started the vm and it is mounted twice again.<br><br>I lloked at /proc/mounts on the host and here is the diff between before-chkpnt and after-restore:<br>
<br>< proc /proc proc rw 0 0<br>< sysfs /sys sysfs rw 0 0<br>< tmpfs /var/run tmpfs rw,mode=755 0 0<br>< tmpfs /var/lock tmpfs rw 0 0<br>< devpts /dev/pts devpts rw,gid=5,mode=620 0 0<br>< tmpfs /dev/shm tmpfs rw 0 0<br>
< tmpfs /var/run tmpfs rw,mode=755 0 0<br>< tmpfs /var/lock tmpfs rw 0 0<br>---<br>> none /proc proc rw,nosuid,noexec,nodiratime 0 0<br>> none /sys sysfs rw 0 0<br>> none /var/run tmpfs rw 0 0<br>> none /var/lock tmpfs rw 0 0<br>
> none /dev/pts devpts rw,mode=600 0 0<br>> none /dev/shm tmpfs rw 0 0<br>> none /var/run tmpfs rw 0 0<br>> simfs /var/lock simfs rw 0 0<br><br>none of these are mounted back in the same mount type. Do you have any hints on this ?<br>
<br></div><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<br>
As workaround you can do "umount /va/lock".<br></blockquote><div><br>on the host, here is what I did :<br><br>
root@vzhost:/# umount /var/lock<br><br>
root@vzhost:/# cat /proc/mounts <br>simfs / simfs rw 0 0<br>none /proc proc rw,nosuid,noexec,nodiratime 0 0<br>none /sys sysfs rw 0 0<br>none /var/run tmpfs rw 0 0<br>none /dev/pts devpts rw,mode=600 0 0<br>none /dev/shm tmpfs rw 0 0<br>
none /var/run tmpfs rw 0 0<br>simfs /var/lock simfs rw 0 0<br><br>root@vzhost:/# umount /var/lock/<br>umount: simfs: not found<br>umount: /var/lock: not mounted<br>umount: simfs: not found<br>umount: /var/lock: not mounted<br>
<br>/var/lock remains mounted, and I still get the chkpnt error.<br><br></div><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div><div></div><div class="h5"><br>
> Hi,<br>
><br>
> here is the command result on the host before first chkpnt :<br>
><br>
> none /sys sysfs rw,nosuid,nodev,noexec 0 0<br>
> none /proc proc rw,nosuid,nodev,noexec 0 0<br>
> udev /dev tmpfs rw,mode=755 0 0<br>
> /dev/disk/by-uuid/52755e51-82e3-4df7-bdee-a91e834b04c1 / ext3<br>
> rw,relatime,errors=remount-ro,data=ordered 0 0<br>
> tmpfs /lib/init/rw tmpfs rw,nosuid,mode=755 0 0<br>
> fusectl /sys/fs/fuse/connections fusectl rw 0 0<br>
> varrun /var/run tmpfs rw,nosuid,mode=755 0 0<br>
> varlock /var/lock tmpfs rw,nosuid,nodev,noexec 0 0<br>
> tmpfs /dev/shm tmpfs rw,nosuid,nodev 0 0<br>
> devpts /dev/pts devpts rw,nosuid,noexec,gid=5,mode=620 0 0<br>
> /dev/sda7 /mnt/data ext3 rw,nosuid,nodev,errors=continue,data=ordered 0 0<br>
> /dev/sda8 /tmp/qemuShare vfat<br>
> rw,sync,dirsync,nosuid,nodev,fmask=0022,dmask=0022,allow_utime=177777,codepage=cp437,iocharset=utf8<br>
> 0 0<br>
> rpc_pipefs /var/lib/nfs/rpc_pipefs rpc_pipefs rw 0 0<br>
> nfsd /proc/fs/nfsd nfsd rw 0 0<br>
> binfmt_misc /proc/sys/fs/binfmt_misc binfmt_misc rw,nosuid,nodev,noexec 0 0<br>
> gvfs-fuse-daemon /home/all/.gvfs fuse.gvfs-fuse-daemon<br>
> rw,nosuid,nodev,user_id=1000,group_id=1000 0 0<br>
> /mnt/data/catalogue/machines/master/0c0cf7cb-efb4-4065-ac2d-e63ad51e72cf/private<br>
> /mnt/data/catalogue/machines/master/0c0cf7cb-efb4-4065-ac2d-e63ad51e72cf/root<br>
> simfs rw 0 0<br>
> proc<br>
> /mnt/data/catalogue/machines/master/0c0cf7cb-efb4-4065-ac2d-e63ad51e72cf/root/proc<br>
> proc rw 0 0<br>
> sysfs<br>
> /mnt/data/catalogue/machines/master/0c0cf7cb-efb4-4065-ac2d-e63ad51e72cf/root/sys<br>
> sysfs rw 0 0<br>
> tmpfs<br>
> /mnt/data/catalogue/machines/master/0c0cf7cb-efb4-4065-ac2d-e63ad51e72cf/root/var/run<br>
> tmpfs rw,mode=755 0 0<br>
> tmpfs<br>
> /mnt/data/catalogue/machines/master/0c0cf7cb-efb4-4065-ac2d-e63ad51e72cf/root/var/lock<br>
> tmpfs rw 0 0<br>
> devpts<br>
> /mnt/data/catalogue/machines/master/0c0cf7cb-efb4-4065-ac2d-e63ad51e72cf/root/dev/pts<br>
> devpts rw,gid=5,mode=620 0 0<br>
> tmpfs<br>
> /mnt/data/catalogue/machines/master/0c0cf7cb-efb4-4065-ac2d-e63ad51e72cf/root/dev/shm<br>
> tmpfs rw 0 0<br>
> tmpfs<br>
> /mnt/data/catalogue/machines/master/0c0cf7cb-efb4-4065-ac2d-e63ad51e72cf/root/var/run<br>
> tmpfs rw,mode=755 0 0<br>
> tmpfs<br>
> /mnt/data/catalogue/machines/master/0c0cf7cb-efb4-4065-ac2d-e63ad51e72cf/root/var/lock<br>
> tmpfs rw 0 0<br>
><br>
> and after the restore :<br>
><br>
> none /sys sysfs rw,nosuid,nodev,noexec 0 0<br>
> none /proc proc rw,nosuid,nodev,noexec 0 0<br>
> udev /dev tmpfs rw,mode=755 0 0<br>
> /dev/disk/by-uuid/52755e51-82e3-4df7-bdee-a91e834b04c1 / ext3<br>
> rw,relatime,errors=remount-ro,data=ordered 0 0<br>
> tmpfs /lib/init/rw tmpfs rw,nosuid,mode=755 0 0<br>
> fusectl /sys/fs/fuse/connections fusectl rw 0 0<br>
> varrun /var/run tmpfs rw,nosuid,mode=755 0 0<br>
> varlock /var/lock tmpfs rw,nosuid,nodev,noexec 0 0<br>
> tmpfs /dev/shm tmpfs rw,nosuid,nodev 0 0<br>
> devpts /dev/pts devpts rw,nosuid,noexec,gid=5,mode=620 0 0<br>
> /dev/sda7 /mnt/data ext3 rw,nosuid,nodev,errors=continue,data=ordered 0 0<br>
> /dev/sda8 /tmp/qemuShare vfat<br>
> rw,sync,dirsync,nosuid,nodev,fmask=0022,dmask=0022,allow_utime=177777,codepage=cp437,iocharset=utf8<br>
> 0 0<br>
> rpc_pipefs /var/lib/nfs/rpc_pipefs rpc_pipefs rw 0 0<br>
> nfsd /proc/fs/nfsd nfsd rw 0 0<br>
> binfmt_misc /proc/sys/fs/binfmt_misc binfmt_misc rw,nosuid,nodev,noexec 0 0<br>
> gvfs-fuse-daemon /home/all/.gvfs fuse.gvfs-fuse-daemon<br>
> rw,nosuid,nodev,user_id=1000,group_id=1000 0 0<br>
> /mnt/data/catalogue/machines/master/0c0cf7cb-efb4-4065-ac2d-e63ad51e72cf/private<br>
> /mnt/data/catalogue/machines/master/0c0cf7cb-efb4-4065-ac2d-e63ad51e72cf/root<br>
> simfs rw 0 0<br>
> none<br>
> /mnt/data/catalogue/machines/master/0c0cf7cb-efb4-4065-ac2d-e63ad51e72cf/root/proc<br>
> proc rw,nosuid,noexec,nodiratime 0 0<br>
> none<br>
> /mnt/data/catalogue/machines/master/0c0cf7cb-efb4-4065-ac2d-e63ad51e72cf/root/sys<br>
> sysfs rw 0 0<br>
> none<br>
> /mnt/data/catalogue/machines/master/0c0cf7cb-efb4-4065-ac2d-e63ad51e72cf/root/var/run<br>
> tmpfs rw 0 0<br>
> none<br>
> /mnt/data/catalogue/machines/master/0c0cf7cb-efb4-4065-ac2d-e63ad51e72cf/root/var/lock<br>
> tmpfs rw 0 0<br>
> none<br>
> /mnt/data/catalogue/machines/master/0c0cf7cb-efb4-4065-ac2d-e63ad51e72cf/root/dev/pts<br>
> devpts rw,gid=5,mode=620 0 0<br>
> none<br>
> /mnt/data/catalogue/machines/master/0c0cf7cb-efb4-4065-ac2d-e63ad51e72cf/root/dev/shm<br>
> tmpfs rw 0 0<br>
> none<br>
> /mnt/data/catalogue/machines/master/0c0cf7cb-efb4-4065-ac2d-e63ad51e72cf/root/var/run<br>
> tmpfs rw 0 0<br>
> /mnt/data/catalogue/machines/master/0c0cf7cb-efb4-4065-ac2d-e63ad51e72cf/private<br>
> /mnt/data/catalogue/machines/master/0c0cf7cb-efb4-4065-ac2d-e63ad51e72cf/root/var/lock<br>
> simfs rw 0 0<br>
><br>
><br>
> Here is the diff between both checks:<br>
><br>
><br>
><br>
> < proc<br>
> /mnt/data/catalogue/machines/master/0c0cf7cb-efb4-4065-ac2d-e63ad51e72cf/root/proc<br>
> proc rw 0 0<br>
> < sysfs<br>
> /mnt/data/catalogue/machines/master/0c0cf7cb-efb4-4065-ac2d-e63ad51e72cf/root/sys<br>
> sysfs rw 0 0<br>
> < tmpfs<br>
> /mnt/data/catalogue/machines/master/0c0cf7cb-efb4-4065-ac2d-e63ad51e72cf/root/var/run<br>
> tmpfs rw,mode=755 0 0<br>
> < tmpfs<br>
> /mnt/data/catalogue/machines/master/0c0cf7cb-efb4-4065-ac2d-e63ad51e72cf/root/var/lock<br>
> tmpfs rw 0 0<br>
> < devpts<br>
> /mnt/data/catalogue/machines/master/0c0cf7cb-efb4-4065-ac2d-e63ad51e72cf/root/dev/pts<br>
> devpts rw,gid=5,mode=620 0 0<br>
> < tmpfs<br>
> /mnt/data/catalogue/machines/master/0c0cf7cb-efb4-4065-ac2d-e63ad51e72cf/root/dev/shm<br>
> tmpfs rw 0 0<br>
> < tmpfs<br>
> /mnt/data/catalogue/machines/master/0c0cf7cb-efb4-4065-ac2d-e63ad51e72cf/root/var/run<br>
> tmpfs rw,mode=755 0 0<br>
> < tmpfs<br>
> /mnt/data/catalogue/machines/master/0c0cf7cb-efb4-4065-ac2d-e63ad51e72cf/root/var/lock<br>
> tmpfs rw 0 0<br>
> ---<br>
> > none<br>
> /mnt/data/catalogue/machines/master/0c0cf7cb-efb4-4065-ac2d-e63ad51e72cf/root/proc<br>
> proc rw,nosuid,noexec,nodiratime 0 0<br>
> > none<br>
> /mnt/data/catalogue/machines/master/0c0cf7cb-efb4-4065-ac2d-e63ad51e72cf/root/sys<br>
> sysfs rw 0 0<br>
> > none<br>
> /mnt/data/catalogue/machines/master/0c0cf7cb-efb4-4065-ac2d-e63ad51e72cf/root/var/run<br>
> tmpfs rw 0 0<br>
> > none<br>
> /mnt/data/catalogue/machines/master/0c0cf7cb-efb4-4065-ac2d-e63ad51e72cf/root/var/lock<br>
> tmpfs rw 0 0<br>
> > none<br>
> /mnt/data/catalogue/machines/master/0c0cf7cb-efb4-4065-ac2d-e63ad51e72cf/root/dev/pts<br>
> devpts rw,gid=5,mode=620 0 0<br>
> > none<br>
> /mnt/data/catalogue/machines/master/0c0cf7cb-efb4-4065-ac2d-e63ad51e72cf/root/dev/shm<br>
> tmpfs rw 0 0<br>
> > none<br>
> /mnt/data/catalogue/machines/master/0c0cf7cb-efb4-4065-ac2d-e63ad51e72cf/root/var/run<br>
> tmpfs rw 0 0<br>
> ><br>
> /mnt/data/catalogue/machines/master/0c0cf7cb-efb4-4065-ac2d-e63ad51e72cf/private<br>
> /mnt/data/catalogue/machines/master/0c0cf7cb-efb4-4065-ac2d-e63ad51e72cf/root/var/lock<br>
> simfs rw 0 0<br>
><br>
><br>
> thanks<br>
><br>
> anthony<br>
><br>
><br>
><br>
><br>
> 2009/9/29 Vitaliy Gusev <<a href="mailto:vgusev@openvz.org">vgusev@openvz.org</a>><br>
><br>
> > On Friday 11 September 2009 03:43:45 pm Anthony wrote:<br>
> > > Hi,<br>
> > ><br>
> > > Thanks for replying.<br>
> > ><br>
> > > I'm using linux 2.6.26-2-openvz-amd64 (in Ubuntu), and the OS template<br>
> > > is ubuntu-6.06-i386-minimal.tar.gz<br>
> ><br>
> > Hello! Can you show output 'cat /proc/mounts' in case: before first chkpnt<br>
> > and after restore ?<br>
> ><br>
> > ><br>
> > > Regards<br>
> > > Anthony<br>
> > ><br>
> > > On Fri, Sep 11, 2009 at 12:59 PM, Thorsten Schifferdecker<br>
> > > <<a href="mailto:tsd@debian.systs.org">tsd@debian.systs.org</a>> wrote:<br>
> > > > reHi,<br>
> > > ><br>
> > > > please post your kernel version and used OS Template.<br>
> > > ><br>
> > > > Bye,<br>
> > > > Thorsten<br>
> > > ><br>
> > > > Anthony - wrote:<br>
> > > >> Hi,<br>
> > > >><br>
> > > >> I'm trying to use the vzctl chkpnt/restore commands.<br>
> > > >><br>
> > > >> Here is what I get :<br>
> > > >><br>
> > > >> 1st chkpnt OK:<br>
> > > >><br>
> > > >> sudo vzctl chkpnt 100 --dumpfile dump1<br>
> > > >> Setting up checkpoint...<br>
> > > >> suspend...<br>
> > > >> dump...<br>
> > > >> kill...<br>
> > > >> VE is unmounted<br>
> > > >> Checkpointing completed succesfully<br>
> > > >><br>
> > > >><br>
> > > >><br>
> > > >> restore OK:<br>
> > > >><br>
> > > >> sudo vzctl restore 100 --dumpfile dump1<br>
> > > >> Restoring VE ...<br>
> > > >> Warning: distribution not specified default used /etc/vz/dists/default<br>
> > > >> Starting VE ...<br>
> > > >> VE is mounted<br>
> > > >> undump...<br>
> > > >> Setting CPU units: 10561<br>
> > > >><br>
> > > >> Configure meminfo: 138288<br>
> > > >> Configure veth devices: hnsTap0 hnsTap1<br>
> > > >> resume...<br>
> > > >> VE start in progress...<br>
> > > >> Restoring completed succesfully<br>
> > > >><br>
> > > >><br>
> > > >><br>
> > > >> and the 2nd chkpnt fails:<br>
> > > >><br>
> > > >> sudo vzctl chkpnt 100 --dumpfile dump1<br>
> > > >> Setting up checkpoint...<br>
> > > >> suspend...<br>
> > > >> dump...<br>
> > > >> Can not dump VE: Invalid argument<br>
> > > >> Error: d_path is invisible /var/lock<br>
> > > >> Checkpointing failed<br>
> > > >><br>
> > > >><br>
> > > >><br>
> > > >> What is the problem with /var/lock ?<br>
> > > >><br>
> > > >> ls -lh /var/lock<br>
> > > >> total 0<br>
> > > >> drwxr-xr-x 2 www-data root 40 2009-09-10 09:15 apache2<br>
> > > >> -rw-r--r-- 1 root root 0 2009-09-10 09:15 vz<br>
> > > >><br>
> > > >><br>
> > > >><br>
> > > >> Thanks<br>
> > > >> Anthony<br>
> > > >><br>
> > > >><br>
> > > >><br>
> > ------------------------------------------------------------------------<br>
> > > >><br>
> > > >> _______________________________________________<br>
> > > >> Users mailing list<br>
> > > >> <a href="mailto:Users@openvz.org">Users@openvz.org</a><br>
> > > >> <a href="https://openvz.org/mailman/listinfo/users" target="_blank">https://openvz.org/mailman/listinfo/users</a><br>
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> > > ><br>
> > ><br>
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> > ><br>
> ><br>
><br>
</div></div></blockquote></div><br>