Encryption will create such stream of data that it will be pretty much unique and as such compressed. This is why de-dupe is never used (typically) with encrypted data. If you need to push this data to tape, I would suggest to write it directly to tape instead of DD first and then tape. As for encryption, see encryption directives or similar in administration guide.
a) use encryption from backup application (eg. NetWorker)
b) use 3rd party encryption which usually is attached to tape drive
a) is cheap solution and comes with cost of CPU usage on client. b) is more professional solution and if you have valid requirement to provide it, I would consider it.
isabellecaleb
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December 2nd, 2013 01:00
Ok or use tape drives with encryption support?
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ble1
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14.4K Posts
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December 2nd, 2013 01:00
Encryption will create such stream of data that it will be pretty much unique and as such compressed. This is why de-dupe is never used (typically) with encrypted data. If you need to push this data to tape, I would suggest to write it directly to tape instead of DD first and then tape. As for encryption, see encryption directives or similar in administration guide.
ble1
4 Operator
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14.4K Posts
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December 2nd, 2013 04:00
You have two options:
a) use encryption from backup application (eg. NetWorker)
b) use 3rd party encryption which usually is attached to tape drive
a) is cheap solution and comes with cost of CPU usage on client. b) is more professional solution and if you have valid requirement to provide it, I would consider it.