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== Auto detection ==
== Auto detection ==
In case one wants CRIU to autodetect and dump all the external bind mounts, and there is no need to change host mount points on restore, one can use a special syntax:
criu dump ... --external mnt[]:''flags''
Note here is nothing inside square brackets, and the optional <code>:''flags''</code> argument can contain the following characters:
; <code>m</code>
: Also enable dumping of external master mounts (as in <code>mount --make-slave</code>)
; <code>s</code>
: Also enable dumping of external shared mounts (as in <code>mount --make-shared</code>)
By default, neither master nor shared external mounts are not dumped (if found, dump is aborted). Note if <code>''flags''</code> are not given, semicolon is optional.
=== Examples ===
criu dump ... --external 'mnt[]'
Auto detect and dump all external bind mounts.
criu dump ... --external 'mnt[]:s'
Auto detect and dump all external bind mounts, including the shared ones.
criu dump ... --external 'mnt[]:sm'
Auto detect and dump all external bind mounts, including the shared and the master ones.
== Old days ==
== Old days ==