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I just talked with operations and they checked the BRMS recovery reports. They confirmed the backup is not doing software encryption.
Douglas Hart - Principal Consultant
-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Jim Oberholtzer
Sent: Friday, October 01, 2010 1:22 PM
To: Midrange Systems Technical Discussion
Subject: Re: Backup Performance
Charles:
This is true if the hardware is doing the encryption. One has to wonder if the hardware (in the case cited in the thread LTO4 with Fibre is capable of hardware encryption) or software was actually doing the encryption. That is entirely in the set up. I've been at customers where both were happening....... they did not know it and we stopped software, thing got much faster after that.
Jim Oberholtzer
CEO/Chief Technical Architect
Agile Technology Architects, LLC
On 10/1/2010 12:11 PM, Charles Wilt wrote:
According to IBM's website....doing encryption in an LTO4 tape tape
library is supposed to have less than a 1% performance hit.
Which I'd believe, whenever you have dedicated hardware...it's lots faster.
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