offline works fine but can't migrate online due to : violette:~# vzmigrate --online -v eve 101 OPT:--online OPT:-v OPT:eve Starting online migration of VE 101 on eve OpenVZ is running... Loading /etc/vz/vz.conf and /etc/vz/conf/101.conf files Check IPs on destination node: 10.1.60.101 Preparing remote node Copying config file 101.conf 100% 1870 1.8KB/s 00:00 Saved parameters for VE 101 Creating remote VE root dir Creating remote VE private dir Initializing remote quota Quota init Running: /usr/sbin/vzquota init 101 -b 1048576 -B 1153024 -i 200000 -I 220000 -p /var/lib/vz/private/101 -e 0 -n 0 -s 0 Turning remote quota on Running: /usr/sbin/vzquota show 101 Running: /usr/sbin/vzquota on 101 -r 0 -b 1048576 -B 1153024 -i 200000 -I 220000 -e 0 -n 0 -s 0 Syncing private Live migrating VE Suspending VE Setting up checkpoint... suspend... get context... Checkpointing completed succesfully Dumping VE Setting up checkpoint... join context.. dump... Can not dump VE: Invalid argument Error: iptables-save exited with 255 Checkpointing failed Error: Failed to dump VE Resuming... Do U know why ? config : HN : Linux version 2.6.18-fza-028stab051.1-686 () (tsd@debian.systs.org) (gcc version 4.1.2 20061115 (prerelease) (Debian 4.1.1-21)) #1 SMP Fri Dec 7 17:44:02 CET 2007 VE : gutsy