Data Encryption using Simpana 8 from CommVault

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Using Simpana 8 from CommVault, roughly how much of a performance hit will I take if I turn on data encryption verses leaving it off? (percentage)
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It depends on what type of encryption you employ.

I cant give you percentages but on a scale of 1-10 (10 being the fastest)

Blowfish       (10)
AES (Advanced Encryption Standard) or Rijndael (7)
Serpent (8)
Twofish (4)
3-DES (Triple Data Encryption Standard) (1.5)

The higher the encryption the slower the backup speed. I always recommended starting on 3-DES the most secure and if the backup time is too slow to change it to TwoFish and work down that way.

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