LXD container live migration does not restore some processes

[gpatel-fr]

Hello

CRIU is not really working in a general way for LXD now:

Enable live migration?

Moving containers between nodes within a cluster can be done with renames now. CRIU integration for clustering hasn’t been touched though and isn’t a big priority for us given how unreliable CRIU generally is,.

Live migration with criu lxd latest with criu from sources

CRIU indeed does need a lot of work in order to be functional with common container setups. The majority of our active live migration users are working with workloads that are particularly designed to work with live migration. This typically involve unloading/unconfiguring anything that CRIU cannot handle (be that apparmor profiles, some network settings, …). Then ensuring that you don’t have any lxc exec sessions into the container as those also can’t be dumped and lastly reduce your process l…