LTO3 or LTO4 for me. All the capacities are native capacity. Generally you
can assume between 1.5 and 2.0 to 1 compression. IBM claims 3:1 on some
systems. So even LTO3 is 1.2TB to 1.6TB per tape.
Generation LTO-1 LTO-2 LTO-3 LTO-4 LTO-5 LTO-6
Release Date 2000 2002 2005 2007
TBA TBA
Data Capacity 100 GB 200 GB 400 GB 800 GB 1.6 TB 3.2 TB
Max Speed (MB/s) 20 40 80 120
180 270
WORM Capable? NO NO YES YES
PLANNED PLANNED
Tape Thickness 8.9 um 8.9 um 8 um
Tape Length 609 m 609 m 680 m
Tape Tracks 384 512 704 1024
Write Elements 8 8 16
Wraps per Band 12 16 11
Linear Density 4880 7398 9638
Encoding RLL 1,7 PRML PRML
http://en.wikipedia.org/wiki/Linear_Tape-Open
Matt Beals
Consultant
Enfocus Certified Trainer
Markzware Recognized Trainer
(206) 618-2537 - Cell
(720) 367-3869 - eFax
mailto:email@hidden
Come visit me at:
http://www.mattbeals.comhttp://forums.mattbeals.comhttp://blog.mattbeals.com
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-----Original Message-----
From: colorsync-users-bounces+matt=email@hidden
[mailto:colorsync-users-bounces+matt=email@hidden] On
Behalf Of David Scharf
Sent: Monday, February 12, 2007 7:12 PM
To: Gary Smith
Cc: email@hidden
Subject: Re: Archiving Strategies
For huge amounts of data, I have been using DLT tape for years. I believe
the newer DLT formats like the 600 hold 300 Gigs per tape and the S4 holds
1.5TB or so per tape.
Dave Scharf
--
DAVID SCHARF PHOTOGRAPHY
Scanning Electron Microscopy
Los Angeles, CA 90039
http://www.scharfphoto.comhttp://www.electronmicro.com
Gary Smith wrote:
I am writing this to discover what methods people are using for
archiving data. Several of my customers (and myself) have piles of data
usually over 100 GB that needs to be archived to make room for the next pile
of data.
I have been using DVD and iView MediaPro with much success. However,
burning so many DVD discs is quite the chore. The more effort archiving is,
the less likely it is to be done in the first place.
Hard drives at first seem like a good way to go, but they are rather
fragile and do fail too often regardless of abuse. I don't trust them for
long term archiving.
Has anyone tried the newer DVD-RAM technologies? What else do people
do?
Any feedback is very much appreciated!
--
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