Chris Rees utisoft at googlemail.com
Sat Nov 21 16:45:04 UTC 2009

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?


A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?
A: Top-posting.
Q: What is the most annoying thing in a mailing list?

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