Re: R: Large discs

2018-01-05 Thread Chuck Guzis via cctalk
On 01/05/2018 02:37 PM, Fred Cisin via cctalk wrote: > I don't know how long YOU expect to live, but I don't think that I will > last as long as a lot of my data (which FEW if ANY will want)   (But, > I've asked my lawyer to place in my will, provisions for my collection > of "alien" disks to go t

Re: R: Large discs

2018-01-05 Thread Fred Cisin via cctalk
On Fri, 5 Jan 2018, Chuck Guzis via cctalk wrote: Here's a government-(Canada) sponsored paper on the subject: https://www.canada.ca/en/conservation-institute/services/conservation-preservation-publications/canadian-conservation-institute-notes/longevity-recordable-cds-dvds.html In any case, my

Re: R: Large discs

2018-01-05 Thread ANDY HOLT via cctalk
"Is there a form of machine readable data older than 150 years?" Jacquard cards; Morse recorder; certain musical instrument programmes. Also with modern scanners virtually any printed material and some handwritten. Andy

Re: R: Large discs

2018-01-05 Thread Fred Cisin via cctalk
On Fri, 5 Jan 2018, Mazzini Alessandro via cctalk wrote: The M kind of dvd supports guarantee over 1000 years of retention, and resistance to acid/alien invasion/etc let's start with: "How old is the oldest surviving M-disc?" "Is there a form of machine readable data older than 150 years?" "Hav

Re: R: Large discs

2018-01-05 Thread Chuck Guzis via cctalk
On 01/05/2018 01:01 PM, Mazzini Alessandro via cctalk wrote: > The M kind of dvd supports guarantee over 1000 years of retention, and > resistance to acid/alien invasion/etc Here's a government-(Canada) sponsored paper on the subject: https://www.canada.ca/en/conservation-institute/services/conse

R: Large discs

2018-01-05 Thread Mazzini Alessandro via cctalk
The M kind of dvd supports guarantee over 1000 years of retention, and resistance to acid/alien invasion/etc -Messaggio originale- Da: cctalk [mailto:cctalk-boun...@classiccmp.org] Per conto di Paul Koning via cctalk Inviato: venerdì 5 gennaio 2018 21:45 A: Warner Losh; General Discussion:

Re: R: Large discs (Was: Spectre & Meltdown

2018-01-05 Thread Warner Losh via cctalk
On Fri, Jan 5, 2018 at 1:13 PM, Fred Cisin via cctalk wrote: > On Fri, 5 Jan 2018, Mazzini Alessandro wrote: > >> I'm not sure I would use SSD for long term "secure" storage, unless maybe >> using enterprise level ones. >> Consumer level SSD are, by specifics, guaranteed to retain data for 6 >>

Re: R: Large discs (Was: Spectre & Meltdown

2018-01-05 Thread Fred Cisin via cctalk
In cases where the source remains available, in case of problems, nothing can beat it for sneaker-net. It does not contribute noticeably to the transfer speeds. On Fri, 5 Jan 2018, Sam O'nella via cctalk wrote: You're one of the first people I've heard quote that. Do you know where that is s

Re: R: Large discs (Was: Spectre & Meltdown

2018-01-05 Thread Fred Cisin via cctalk
On Fri, 5 Jan 2018, Mazzini Alessandro wrote: I'm not sure I would use SSD for long term "secure" storage, unless maybe using enterprise level ones. Consumer level SSD are, by specifics, guaranteed to retain data for 6 months if unpowered... any more time means being lucky. Would suck to save, s

Re: R: Large discs (Was: Spectre & Meltdown

2018-01-05 Thread Sam O'nella via cctalk
You're one of the first people I've heard quote that. Do you know where that is said? Years ago several friends and myself all picked up 64mb usb thumb drives so we could have multiple backups of a game and few other projects we were coding.  Maybe it was an extended period of time (we ended up

R: Large discs (Was: Spectre & Meltdown

2018-01-05 Thread Mazzini Alessandro via cctalk
I'm not sure I would use SSD for long term "secure" storage, unless maybe using enterprise level ones. Consumer level SSD are, by specifics, guaranteed to retain data for 6 months if unpowered... any more time means being lucky. Would suck to save, store, and after some years find the data mangled