What's the easiest way to do a backup and verify?
jerrymc at clunix.cl.msu.edu
Mon Mar 14 09:28:58 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.
But, if he is writing a snapshot, then why is he using dump?
I think he was using the word snapshot to imply the dump file.
But, of course, I could be wrong.
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