Re: Ontape verification method?
Posted in 1997
I've raised this issue before. `ontape` has squat for verification. I
think this is absolutely unacceptible. An archive utility is not an archive
utility unless you can *verify* your archives. I've seen too many backups
fail to feel comfortable trusting a backup utility just to throw data out to
a drive without checking it
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Informix: Lack of verification capability in `ontape` is an *unacceptible*
deficiency in the product.
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ON-archive has the CRC option and the VERIFY function to reread each save
set after writing to tape. Although I don't know how thorough it is. Does
anybody know if it actually does a bit-to-bit compare, or does it just read
bytes off of the tape, checking only for readability?
Austin Schutz wrote:
> How would one go about testing an ontape archive to see if it
> is ok? I'd like to know that my backups are performing as expected
> without trying to restore them.
> Is there anything akin to tar's -tv options to show what's in an
> archive without actually writing over dbspaces?
>
> Ankythay,
>
> Austin
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