mount a dumpfile
wblock at wonkity.com
Sat Apr 2 15:40:02 UTC 2011
On Sat, 2 Apr 2011, Chris Rees wrote:
> On 2 Apr 2011 00:08, "Warren Block" <wblock at wonkity.com> wrote:
> > Is it possible to mount a dump(8) dumpfile? restore(8) obviously knows everything about the file structure, and restore -i is nearly a read-only mount_dump already.
> Restore -i isn't really anything like a mount; it works on a stream (which is why it works on tapes and stdin) where the first but is the file list, telling restore how far to skip to
> get the file. This is why ls is fast on it, but when you tell it to restore it then takes a little time.
Sorry, I didn't explain very well. Use mdconfig to create a device
backed by a dumpfile. Then factor out the code from restore to treat
that layout as a filesystem. Conceptually, it'd be similar to
Which is another way to ask the question: does anything besides
restore(8) understand the dumpfile format? libarchive does not,
> If you want proper interactive backups, I'd respectfully suggest you
> start using rsync incremental backup, for which I have a script sy
> home I'd you're interested.
It's malus versus citrus, but it's always interesting to see alternate
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