This was already compressed single stream video files, so it was writing
at ~105 mb/s uncompressed, and I was looking at the st** device for the
tape drive when gathering the mb/sec figures...

- Harry

-----Original Message-----
From: Hall, Christian N. [mailto:HallC AT SEC DOT GOV] 
Sent: Thursday, September 13, 2007 10:19 AM
To: Schaefer, Harry; veritas-bu AT mailman.eng.auburn DOT edu
Subject: RE: [Veritas-bu] STK T10000 tape drive

What type of data? 

-----Original Message-----
From: veritas-bu-bounces AT mailman.eng.auburn DOT edu
[mailto:veritas-bu-bounces AT mailman.eng.auburn DOT edu] On Behalf Of
Schaefer, Harry
Sent: Thursday, September 13, 2007 10:09 AM
To: veritas-bu AT mailman.eng.auburn DOT edu
Subject: Re: [Veritas-bu] STK T10000 tape drive

FWIW, I have done write tests with ours and based on output from iostat
-xtc, the write speeds were between 100-105 mb/sec...

Harry

-----Original Message-----
From: veritas-bu-bounces AT mailman.eng.auburn DOT edu
[mailto:veritas-bu-bounces AT mailman.eng.auburn DOT edu] On Behalf Of Austin
Murphy
Sent: Wednesday, September 12, 2007 5:23 PM
To: Brad Hillebrand
Cc: veritas-bu AT mailman.eng.auburn DOT edu
Subject: Re: [Veritas-bu] STK T10000 tape drive

On 9/12/07, Brad Hillebrand <brad.hillebrand AT gmail DOT com> wrote:
> Does anyone have any experiences with the Sun/StorageTek T10000 tape
drive?

I don't use them, but I did some research.
One gotcha that I came across was the writing speed.  They can only
write at either 120 MB/sec or 50 MB/sec.  There is no in between. Your
disk staging or virtual tape better be able to spit out the data at
one of those rates or the thing will shoe-shine like crazy.

LTO-4 drives are likely to be easier to feed data and a lot cheaper.
I haven't compared prices with the hardware encryption options, but
w/o the encryption the drive prices are something like $5k vs. $30k.

Also LTO-4 native capacity is 800 GB vs 500 GB for the T10k.  Both can
write at 120 MB/Sec.

Austin
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