[ale] archiving backups

[Jim Kinney]

+1 for mdisk. The DVD version should be available soon.
On Aug 6, 2014 9:37 PM, "Vernard Martin" <vernard at gmail.com> wrote:

> magnetic media?? for home use? like what. Just askin:)
>>> I have about 70GB of photos that I have right now on a number of USB
>>> sticks.. the 64GB stick took 24 hours to complete the copy command..
>>> oops, sorry, just checked, now it is 92GB of photos..
>>>
>>>  Yep, magnetic media :)
>>
>> Since the whole thread was focusing on long term storage with some of
>> the stored data being decades old I opted to point out the problem with
>> the goal versus the media.  If this data is to continue to reside in
>> some long term storage then flash is right out because of its retention.
>>
>> The other topic point was the value of the data to the end user.  The
>> thread overall makes a suggestion that the data is irreplaceable and
>> therefore quite valuable to the end user so I went with that, too.
>>
>> Option one is a spinning hard drive.  Plug it in, back up the data,
>> power down and store in a cool, dry place.  If the long term storage
>> backups are very infrequent, the drive will last many decades and the
>> data retention is high for the platter media in proper storage
>> environments (20-25 C, 40-60% RH non-condensing or dry nitrogen if you
>> go all out).
>>
>> Option two is tape. You can use the DAT format like DAT-160 which stores
>> 80GB uncompressed per tape (and may be cheaper than the more recent
>> DAT-320 -- 160 GB per tape.)  HP currently sells a DAT 160 drive for
>> $700+ while DAT 160 tapes are about $40 each.
>>
>> DLT is another option for tape media.  SDLT I is 110 GB per tape, SDLT
>> II is 300 GB, or go so far as DLT S4 which is 800 GB per tape.  There's
>> a drive on Amazon for about $500.
>>
>> LTO is yet a third option with some giant capacities in the later
>> versions.  LTO-1 is 100 GB uncompressed and the current LTO-6 is 2.5 TB
>> (not GB, but TB).  LTO would be one of the most current though an older
>> LTO-1 or LTO-2 drive could be purchased.
>> _
>>
>
> Also, check into M-Disc
>
> http://www.mdisc.com/what-is-mdisc/
>
>
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