Bernt Hansson bernt at bah.homeip.net
Sun Nov 22 01:27:34 UTC 2009

Chris Rees said the following on 2009-11-21 17:44:
> 2009/11/21 Bernt Hansson <bernt at bah.homeip.net>:
>> Matthew Seaman skrev:
>>> Bernt Hansson wrote:
>>>> Hello list.
>>>> I've been testing backups with dump, works well BUT
>>>> -L does not work. For example
>>>> dump -0 -a -u -L -f /mnt/dump.home.full /dev/ad0s2d
>>> I believe that you need to tell dump the mount point of the file system in
>>> order for it to create a snapshot, rather than the device file for the
>>> partition. (ie. snapshotting only makes sense on a mounted read-write
>>> filesystem).
>>> Also, if you're dumping a snapshotted FS to a local file, then bump up the
>>> cachesize to improve performance a lot.  Add '-C 32' to your command-line.
>> Ok. I've tested this
>> dump -1 -a -u -L -C 64 -h 0 -f /usr/home/bernt/disk2/dump.backup.home.2
>> /usr/home
>> The error is
>> mksnap_ffs: Cannot create /usr/home/.snap/dump_snapshot: Invalid argument
>> dump: Cannot create /usr/home/.snap/dump_snapshot: No such file or directory
> Just for sanity... Are you root?


> Chris

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