On Tue, Dec 10, 2013 at 04:45:55PM +0000, Steven Hammond wrote:

> We back our servers to disk.  We then follow up with a job to copy
>  them to tape.  The backup to disk uses compression.  My question is
>  this: When the COPY job runs, does it decompress the job on disk
>  before sending it to the tape or does it just copy it straight to
>  tape (which means the hardware compression really is not effective)?
>  Thanks.

Hi Steven, 

I believe (this is from quite a while ago since we stopped using copy
jobs a year ago or so) that the data is decompressed and then migrated
to tape. Someone please correct me if I remember this wrongly...

Cheers, Uwe 

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