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which will mean, that the mountpoint /bar has inaccessible root.
which will mean, that the mountpoint /bar has inaccessible root.
To dump and restore them there's the <code>--ext-mount-map KEY:VAL</code> option that sets up external mounts root mapping.
To dump and restore them there's the <code>--external mnt[KEY]:VAL</code> option that sets up external mounts root mapping.
On dump, KEY is a mountpoint inside container and correspoding VAL is a string that will be written into the image as mountpoint's root value.
On dump, KEY is a mountpoint inside container and correspoding VAL is a string that will be written into the image as mountpoint's root value.
For example, if we want to dump the task above we should call
For example, if we want to dump the task above we should call
criu dump ... --ext-mount-map /bar:barmount
criu dump ... --external mnt[/bar]:barmount
The word <code>barmount</code> is an arbitrary identifier, that will be put in the image file instead of the original root path
The word <code>barmount</code> is an arbitrary identifier, that will be put in the image file instead of the original root path
On restore we should tell CRIU where to bind mount the <code>barmount</code> from like this
On restore we should tell CRIU where to bind mount the <code>barmount</code> from like this
criu restore ... --ext-mount-map barmount:/foo
criu restore ... --external mnt[barmount]:/foo
With this CRIU will bind mount the /foo into proper mountpoint.
With this CRIU will bind mount the /foo into proper mountpoint.
FIXME
FIXME
== Old days ==
For now the same behavior is configured with the <code>--ext-mount-map KEY:VAL</code> option. Soon this option will be [[deprecation|deprecated]].
[[Category:HOWTO]]
[[Category:HOWTO]]
[[Category:External]]
[[Category:External]]