What's the best medium for long term archival? M-Disc Blurays or LTO tapes?

What's the best medium for long term archival? M-Disc Blurays or LTO tapes?

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Laser disc

cds rot
tapes rot

just use spare HDDs and throw them in a nitrogen case in a bank vault

>bits rot

I think he means physically, Either way though Blurays are much better designed than DVDs which are better designed than CDs. They claim M-Disc will last a hundred years but obviously there's no way to prove it until a hundred years from now. I'm sure LTO tapes don't suffer the same tape degradation as cassettes or VHS as well.

just my thoughts but couldn't you build a low profile server, install freenas on it and setup a raid Z or mirror volume. then copy all your critical data to it. once done shut it down and unplug it. pretty much stash it in a closet and forget about it till you need it. your data would be safe from damage due to bitrot/power issues/hacking/drive failure. drives are cheap, low profile cases/parts are cheap.

M-disc bluray for long term storage with infrequent access.


Tape if you need HUGE amounts of storage, but not more than a decade or two, and needs to be accessed occasionally.

Tape is great for certain niche industries. Fairly useless for a home user.

quartz crystals

>I'm sure LTO tapes don't suffer the same tape degradation as cassettes or VHS as well
I don't know about currently LTO lifetimes, but I know the previous ones had a habit of delaminating if you left them in storage too long. Honestly digital is the worst format for long-term storage ever.

Dunno how much anyone else has but I'm creeping up on the 10TB mark of data. (took me 20 yrs to get this far,lol) Anyway I figure at this rate I'll be 55 by the time I hit 20TB. The trick will be keeping it all 100% perfect condition for what I got now and the new I add over the years. ZFS/ReFS + Backup & a UPS seems to be the best way to go about this. Can you imagine the horror of trying to copy 20+TB of data over GB lan? It's up there with the thought of redoing all 20TB of data from nothing, omg. Long term will goal will be to watch all those movies/show rips I got now at 70 yrs old with them all being perfect playback wise. (plus my porn stash)

I currently have ~17TB of content on my hard drives and am comfortable with the fact if a drive dies, I have to redownload everything

I have 1gbps internet, worst case it takes 2-3 weeks.

>tape
sequential access drives me nuts when looking for files from a backup.

Get some backup drives, nigga.
Best buy does 8tb externals for like $140 every other month.

Why bother? I'd rather add to my live storage.

How big was your typical file 20 years ago versus today?
How fast was consumer networking speeds 20 years ago versus today?

What scale do you suppose those numbers might be at 20 years from now?

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What options do I have if I want to keep my HDDs in a vault or similar, but want to have something that powers them on every couple of years, preferably without user input? To keep the magnetization.

HDDs aren't going to lose their magnetization.
Not this side of a century anyways.

The only thing that really breaks on HDDs is the spindle bearing.

carve 0s and 1s into stone tablets

Encrypt and put on dah clowde.

I think sticky shed syndrome only affects certain tape formulations. Don't be cheap and don't use ancient shit.

Can you actually play M-Disc on dvd/blu ray players? Or just solely for archiving purposes?

I still got spinning rust from the 90's that's still working and readable.

Keep in an air tight container with some jell packets, and good enough for a decade or more.

Yes, they play just like a normal disc, they're just more durable for long term storage.