backup strategy (Re: dump | restore fails)
Mikhail T.
mi+thun at aldan.algebra.com
Thu Mar 26 19:28:54 PDT 2009
Andrew Snow написав(ла):
> Mikhail T. wrote:
> > To qualify for your (and your kind's) recognition then, a person
> > needs to have at least as much extra storage capacity as the
> > largest filesystem they are backing up. They also need
> > non-trivial scripting abilities, because the OS doesn't
> > include anything like what you are describing
>
> Mikhail, users would be well advised to check their backups using this
> option, without having to have the space to restore:
>
> -N Do the extraction normally, but do not actually write any
> changes to disk. This can be used to check the integrity of dump media
> or other test purposes.
And then another "purist" will reject this as a fake and not
sufficiently conclusive test... Just ask around... Because, you see,
until you extract all data back and run a bit-by-bit comparison with the
original, you don't really know, do you?
-mi
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