Discussions specific to tape backups
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antran
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Is data compressed when copy the backup from DataDomain to Tape?

Post by antran » Mar 04, 2019 3:22 am

Hi
I am using the backup to tape from Data Domain?
I want to ask how data compressed when copy the backup to tape from DataDomain?
are the following steps correct?
1/ Data will be de-compressed in DataDomain before copy to tape?
2/ Data will be copied with uncompressed to tape
3/ Data will be compressed by Tape itself?

foggy
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Re: Is data compressed when copy the backup from DataDomain to Tape?

Post by foggy » Mar 05, 2019 5:19 pm

Typically data is stored on deduplicating devices uncompressed (to allow for better dedupe rate). So when you copy data from there it gets rehydrated and written to tape depending on the hardware compression job setting.

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