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)? Adrian Sent from my iPhone On 13 Dec 2012, at 02:32, Dale Tronrud <det...@uoxray.uoregon.edu> 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 >> >> >> >>