$ openafs-ctl vldb-freeze-run -rw -cmd ./do_restore.sh
[...]
$ cat do_restore.sh
#!/bin/sh

set -xe

# don't dist db when restoring (yet)
openafs-ctl vldb-restore /path/to/new.vldb.DB0 -backup-suffix .bak -dist skip

vos listvldb vol.important -noresolv -config /path/to/localconf > /path/to/vos.out
diff -u /path/to/vos.out /path/to/expected.out

# vldb looks ok; dist new db to other sites
openafs-ctl vldb-freeze-dist