[ale] Recommendation for off-line storage?

[Denny Chambers]

800 GB, if all of your date can be compressed in half. Also you have to 
take into consideration the price of the tapes as well. The 400 GB tapes 
are about $95 to $100 a piece.

Greg Freemyer wrote:

>On 5/10/06, Allan Metts <ametts2 at mindspring.com> wrote:
>  
>
>>At 03:48 PM 5/10/2006, Greg Freemyer wrote:
>>
>>    
>>
>>>If so, there is NO data or gaurentee on disk drives maintaining data
>>>with power off.
>>>
>>>We do it a lot around here, but we also make a tape backup before we
>>>put the drives on the shelf.
>>>      
>>>
>>Well that certainly changes the equation.  I was indeed planning to leave these drives on the shelf.
>>
>>I was planning to make two copies before deleting the on-line data -- so maybe I need to send one copy to tape (for long-term retention), and one to disk (for less-reliable retention, but easy searching and restoration).
>>
>>So now I'm looking for a tape-based solution too?  Same parameters apply, I suppose:  Linux-friendly, non-proprietary, rack-mountable, minimal hassle.
>>
>>Although the last time I dealt with tape drives, the tapes were only 20-40 GB.  I have 400 GB and the data center is a remote facility.  Now I'm talking a tape carousel?  Am I going about this all wrong?  Should just make two copies on IDE drives, take them off-line, and hope for the best?
>>
>>A----
>>    
>>
>
>An LTO-3 can hold your data (800GB with compression) on one tape.  LTO
>is the market leader for enterprise class tape drives.
>
>See http://www.quantum.com/Products/TapeDrives/LTOUltrium/LTO-3/Index.aspx
>
>The trouble is they are expensive.  I haven't priced one recently, but
>I wuold guess $5-10K per drive.
>
>Got curious and found at least one site selling them for around $4K. 
>I'm actually surprised there that cheap.  I bought a couple of LTO-1's
>about 3 years ago for $5K each and they were used!!
>
>Greg
>--
>Greg Freemyer
>The Norcross Group
>Forensics for the 21st Century
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>
>
>  
>
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