What's the easiest way to do a backup and verify?
Svein Halvor Halvorsen
svein.h at lvor.halvorsen.cc
Mon Mar 14 08:28:50 PST 2005
* Jerry McAllister [2005-03-14 10:30 -0500]
> > [...] So then wouldn't a second dump of the same snapshot diffed to
> > the tape device be a good for a verify?
> No, because the condition of the files that you are dumping the second
> time is different from the first time.
:
> Most places cannot afford to make file systems completely unavailable
> for periods of time long enough (several hours, up to a couple of days)
> to allow dump to be run twice without any changes being made to the
> file system.
Note the OP's use of the word "snapshot". I think he is right! Or if he
isn't; it has nothing to do with the filesystem beeing changed, but rather
something to do with the way the backup is written to tape. However, I do
think snapshots could be used for exactly this.
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