Long Term Hard Drive Storage
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From: sam on 6 Apr 2008 21:10 Arno Wagner <me(a)privacy.net> wrote: > Previously Justin <Justin(a)nobecauseihatespam.net> wrote: >> Al Dykes wrote: > >>> >>> MOD = Magneto-Optical Disk. >>> >>> This was the gold standard for archival storage when I worked at >>> BigBank, which was up to 1993. We had lots in storage in Iron >>> Mountain and online in jukeboxes the size of large refrigerators. >>> >>> >>> http://en.wikipedia.org/wiki/Magneto-optical_drive >>> > >> What about DVD-RAM? > > It looks good in teory, but in practice less so. I recently > bought a drive and disks. If you are really careful, they > should last 2-3 decades, but the disk do not have cartridges > (at least for the rives you can get) and one bad drop > could possibly be enough. Trivially avoidable by writing more than one copy. > Unfortunately MOD technology has not been developed > further for some years now, and it looks like it will not be. Corse it wont, its WAY past its useby date. > At the moment DVD RAM seems to be the best option > for small volume long-term storage. Whether it can > perform past the 10 year mark is not really clear to me. You can protect yourself against that trivially by writing that stuff to a hard drive too.
From: Justin on 6 Apr 2008 23:28 sam wrote: > Arno Wagner <me(a)privacy.net> wrote: >> Previously Justin <Justin(a)nobecauseihatespam.net> wrote: >>> Al Dykes wrote: >>>> MOD = Magneto-Optical Disk. >>>> >>>> This was the gold standard for archival storage when I worked at >>>> BigBank, which was up to 1993. We had lots in storage in Iron >>>> Mountain and online in jukeboxes the size of large refrigerators. >>>> >>>> >>>> http://en.wikipedia.org/wiki/Magneto-optical_drive >>>> >>> What about DVD-RAM? >> It looks good in teory, but in practice less so. I recently >> bought a drive and disks. If you are really careful, they >> should last 2-3 decades, but the disk do not have cartridges >> (at least for the rives you can get) and one bad drop >> could possibly be enough. > > Trivially avoidable by writing more than one copy. > >> Unfortunately MOD technology has not been developed >> further for some years now, and it looks like it will not be. > > Corse it wont, its WAY past its useby date. > >> At the moment DVD RAM seems to be the best option >> for small volume long-term storage. Whether it can >> perform past the 10 year mark is not really clear to me. > > You can protect yourself against that trivially by writing that stuff to a hard drive too. > > OK, since drives capable of DVD-RAMness aren't that expensive off Newegg I'll buy one of those, a few DVD-RAM discs and save the DV and m2t files to both. Good plan?
From: sam on 6 Apr 2008 23:42 Justin <Justin(a)NobecauseIhatespam.net> wrote: > sam wrote: >> Arno Wagner <me(a)privacy.net> wrote: >>> Previously Justin <Justin(a)nobecauseihatespam.net> wrote: >>>> Al Dykes wrote: >>>>> MOD = Magneto-Optical Disk. >>>>> >>>>> This was the gold standard for archival storage when I worked at >>>>> BigBank, which was up to 1993. We had lots in storage in Iron >>>>> Mountain and online in jukeboxes the size of large refrigerators. >>>>> >>>>> >>>>> http://en.wikipedia.org/wiki/Magneto-optical_drive >>>>> >>>> What about DVD-RAM? >>> It looks good in teory, but in practice less so. I recently >>> bought a drive and disks. If you are really careful, they >>> should last 2-3 decades, but the disk do not have cartridges >>> (at least for the rives you can get) and one bad drop >>> could possibly be enough. >> >> Trivially avoidable by writing more than one copy. >> >>> Unfortunately MOD technology has not been developed >>> further for some years now, and it looks like it will not be. >> >> Corse it wont, its WAY past its useby date. >> >>> At the moment DVD RAM seems to be the best option >>> for small volume long-term storage. Whether it can >>> perform past the 10 year mark is not really clear to me. >> >> You can protect yourself against that trivially by writing that >> stuff to a hard drive too. >> >> > > > OK, since drives capable of DVD-RAMness aren't that expensive off > Newegg I'll buy one of those, a few DVD-RAM discs and save the DV and > m2t files to both. > Good plan? Yep, way to go IMO.
From: Justin on 7 Apr 2008 01:11 sam wrote: > > Yep, way to go IMO. > > Now why are DVD-RAMS better for the long term?
From: sam on 7 Apr 2008 03:05
Justin <Justin(a)NobecauseIhatespam.net> wrote: > sam wrote: > >> >> Yep, way to go IMO. >> >> > > Now why are DVD-RAMS better for the long term? The writes are checked better when they are written. They arent necessarily better in the sense of the media chemistry being better in the long term. |