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From: Dimensional Traveler <dtravel@sonic.net>
Newsgroups: comp.sys.ibm.pc.games.action
Subject: Re: Finally long term stable high density storage
Date: Tue, 22 Oct 2024 07:29:26 -0700
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On 10/21/2024 11:00 PM, vallor wrote:
> On Sun, 20 Oct 2024 09:51:49 -0700, Dimensional Traveler wrote:
> 
>> On 10/20/2024 9:41 AM, Spalls Hurgenson wrote:
>>> On Sun, 20 Oct 2024 08:48:16 -0700, Justisaur <justisaur@gmail.com>
>>> wrote:
>>>
>>>
>>>> 360 TB 1+ B years
>>>> https://en.wikipedia.org/wiki/5D_optical_data_storage
>>>
>>> The tech has been around... well, Wiki says it was first demonstrated
>>> in '96. "Finally" is a bit of a misnomer. ;-)
>>>
>>> IIRC, though, it has several downsides. Biggest is that it is extremely
>>> slow with writes (and pretty slow with reads too). And even if it had
>>> "HDD-speed" read/writes... well, back-of-the-napkin math indicates it
>>> would still take close to 3 DAYS to read all that data (about half that
>>> if it were SSD speed). We'd need advancement in the IO first to really
>>> make use of drives that big.
>>>
>>> It's also write-once, which limits its use to archival. So it's not
>>> gonna replace HDDs or SDDs any time soon.
>>>
>>>
>>>> Now Spalls can fit all his games on one disk about the size of a
>>>> quarter and not worry it's going to die of bit rot.
>>>
>>> I've over the years transferred pretty much all of my DOS-era games to
>>> HDD (twice actually; first as images of the original medium, and then a
>>> second time to a different HDD where the games are actually installed).
>>> The installed games takes significantly less than a single terabyte,
>>> and that collection includes probably every DOS game you've ever heard
>>> of (and a few more too ;-)
>>>
>>> Disk-space is so cheap and readily available already that -while I
>>> wouldn't sneeze at a long-term archival medium- it's not really
>>> necessary. It's surprisingly hard to fill up multi-terabyte sized disks
>>> under ordinary usage ;-)
>>>
>> "Hold my beer."  ;)
> 
> $ df -h -t nfs4
> Filesystem                    Size  Used Avail Use% Mounted on
> 192.168.23.12:/volume1/ds      39T   26T   13T  68% /nfs/ds
> 192.168.23.12:/volume1/music   39T   26T   13T  68% /nfs/music
> 
> Space is getting a little worrisome, but I have a new Synology filer
> sitting in its box, as well as drives.  Just haven't gotten a round tuit.
> 
> Most of /nfs/ds is backups of my workstations throughout the years.
> My music collection is flac ripped from CD's, which I often lose track
> of...
> 
> However, there is this:
> 
> _[/nfs/ds/scott/src/OS]_(scott@lm)🐧_
> $ du -hs
> 853G	.
> 
> 850G of built Linux kernels.  (I'm a digital hoarder,
> and having an NAS hasn't helped.)
> 
*gives vallor his beer back*  :D

-- 
I've done good in this world. Now I'm tired and just want to be a cranky 
dirty old man.