On 13/12/2012 04:13, Adrian Goldman wrote:
> Don't get your hopes up too high for ssd. I had one fail within 4 months of buying it - and the company's attitude was 'this sometimes happens'. Yum
>
> I think George is right - punched cards in two separate locations. (Hell any form of paper output will do - surely they'll have decent OCR in 100 years time)?
Awesome - punchcard RAID-1.
> Adrian
>
> Sent from my iPhone
>
> On 13 Dec 2012, at 02:32, Dale Tronrud <[log in to unmask]> wrote:
>
>> On 12/12/2012 3:19 PM, Bosch, Juergen wrote:
>>> Hey Dale,
>>>
>>> you really should get your personal RAID with hot swappable discs, since you don't like Firewire, how about Thunderbolt and a
>>> Pegasus RAID with 6 bays ? If a drive fails you replace it with a new one.
>> Last summer someone in the lab above ours decided they needed a full
>> sink of water. Before this task was complete they decided they needed
>> to go home. The resulting flood destroyed the contents of the desks of
>> two of our lab members. That was a lot of paper that didn't make 100
>> years - including a "Handbook of Chemistry and Physics" that had almost
>> made 60.
>>
>> If the lab RAID had been under the waterfall it would have lost all
>> of its drives in one go. I don't know how big a RAID number you have
>> to have to survive that, but RAID-5 isn't going to do it.
>>
>> I have run a flash drive through my washing machine a couple times
>> and it is still going strong so I have high hopes for solid-state
>> memory. It will be several years before 1 TB SSD's drop in price
>> enough for the next move of my little archive. The SanDisk "Memory
>> Vault" that started this thread maxes out at 16 GB.
>>
>> Dale Tronrud
>>
>>> By the way if anybody has a functional DAT4 tape drive, could I send you one to read out a tape with some data ? If so, then off
>>> list reply would be nice, thanks.
>>>
>>> Jürgen
>>>
>>> On Dec 12, 2012, at 5:22 PM, Dale Tronrud wrote:
>>>
>>>> I don't believe there is a solution that does not involve active
>>>> management. You can't write your data and pick up those media 25
>>>> years later and expect to get your data back -- not without some
>>>> heroic effort involving the construction of your own hardware.
>>>>
>>>> I have data from Brian Matthews' lab going back to the mid-1970's
>>>> and those data started life on 7-track mag tapes. I've moved them
>>>> from there to 9-track 1600 bpi tapes, to 9-track 6250 bpi tapes, to
>>>> just about every density of Exabyte tape, to DVD, and most recently
>>>> to external magnetic hard drives (each with USB, Firewire, and eSATA
>>>> interfaces). The hard drives are about five years old and so far
>>>> are holding up. Last time I checked I could still read the 10 year
>>>> old DVD's. I'm having real trouble reading Exabyte tapes.
>>>>
>>>> Write your data to some medium that you expect to last for at least
>>>> five years but anticipate that you will then have to move them to
>>>> something else.
>>>>
>>>> Instead of spending time working on the 100 year solution you should
>>>> spend your time annotating your data so that someone other than you
>>>> can figure out what it is. Lack of annotation and editing is the
>>>> biggest problem with old data.
>>>>
>>>> Dale Tronrud
>>>>
>>>> P.S. If someone needs the intensities for heavy atom derivatives of
>>>> Thermolysin written in VENUS format, I'm your man.
>>>>
>>>>
>>>>
>>>> On 12/12/2012 1:57 PM, Richard Gillilan wrote:
>>>>> Better option? Certainly not TAPE or electromechanical disk drive. CD's and DVD's don't last nearly that long and James Holton
>>>>> has pointed out.
>>>>>
>>>>> I suppose there might be a "cloud" solution where you rely upon data just floating around out there in cyberspace with a life of
>>>>> its own.
>>>>>
>>>>> Richard
>>>>>
>>>>> On Dec 12, 2012, at 4:41 PM, Dale Tronrud wrote:
>>>>>
>>>>>> Good luck on your search in 100 years for a computer with a
>>>>>> USB port. You will also need software that can read a FAT32
>>>>>> file system.
>>>>>>
>>>>>> Dale "Glad I didn't buy a lot of disk drives with Firewire" Tronrud
>>>>>>
>>>>>> On 12/12/2012 1:02 PM, Richard Gillilan wrote:
>>>>>>> SanDisk advertises a "Memory Vault" disk for archival storage of photos that they claim will last 100 years.
>>>>>>>
>>>>>>> (note: they do have a scheme for estimating lifetime of the memory, Arrhenius Equation ... interesting. Check it out:
>>>>>>> www.sandisk.com/products/usb/memory-vault/ <http://www.sandisk.com/products/usb/memory-vault/> and click the Chronolock tab.).
>>>>>>>
>>>>>>> Has anyone here looked into this or seen similar products?
>>>>>>>
>>>>>>> Richard Gillilan
>>>>>>> MacCHESS
>>> ......................
>>> Jürgen Bosch
>>> Johns Hopkins University
>>> Bloomberg School of Public Health
>>> Department of Biochemistry & Molecular Biology
>>> Johns Hopkins Malaria Research Institute
>>> 615 North Wolfe Street, W8708
>>> Baltimore, MD 21205
>>> Office: +1-410-614-4742
>>> Lab: +1-410-614-4894
>>> Fax: +1-410-955-2926
>>> http://lupo.jhsph.edu
>>>
>>>
>>>
>>>
|