[Veritas-bu] bpverify(1) is a joke, is it possible to restore to /dev/null?
2006-05-15 10:23:49
Subject: |
[Veritas-bu] bpverify(1) is a joke, is it possible to restore to /dev/null? |
From: |
jpiszcz.backup AT gmail DOT com (Justin Piszcz) |
Date: |
Mon, 15 May 2006 10:23:49 -0400 |
Why?
I have a 2-3TB backup that I do not have another 2-3TB box to restore
to. If I can restore to /dev/null, then I could test a restore and
the tapes integrity.
And if it does not verify all the data on the tape, how come it takes
~2hrs for each LTO2 tape?
Justin.
On 5/15/06, Steve <nbu.admin AT gmail DOT com> wrote:
>
> Bpverify does not / cant verify all of the data on the tape, this is from
> the commands guide:
>
>
> bpverify verifies the contents of one or more backups by reading the backup
> volume
>
> and comparing its contents to the NetBackup catalog. This operation does not
> compare
>
> the data on the volume with the contents of the client disk. However, it
> does read each
>
> block in the image, thus verifying that the volume is readable.
>
> Why would you want to send data to dev null, that would not perform any type
> of verification either.
>
> Steve
>
> Hope this helps
>
>
>
> On 5/15/06, Justin Piszcz <jpiszcz.backup AT gmail DOT com> wrote:
> >
> All,
>
> I ran a restore last week which was on three tapes, on the second tape
> it failed due to an I/O error, I repeated the restore and the same
> result occurred.
>
> I ran bpverify on the backup image ID and it said everything was OK,
> obviously this is not a good way to test a tape's integrity!
>
> Is there a way to restore all files to /dev/null?
>
> Justin.
>
> _______________________________________________
> Veritas-bu maillist - Veritas-bu AT mailman.eng.auburn DOT edu
> http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu
>
>
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