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Search: Posts Made By: Dan Lester
Forum: General 12-26-2016, 07:41 PM
Replies: 15
Views: 12,741
Posted By Dan Lester
Thank you. You're exactly right. But NAS systems...

Thank you. You're exactly right. But NAS systems will set you back a few hundred bucks. I was just wondering if there could be a lower cost strategy for the non-business user that would ensure...
Forum: General 12-25-2016, 03:30 PM
Replies: 15
Views: 12,741
Posted By Dan Lester
Well, FWIW, I did find this interesting essay ......

Well, FWIW, I did find this interesting essay ...

https://www.osomac.com/2014/01/13/bit-rot/

which considers what a Mac user can do about bit-rot. The answer? Not a helluva lot, it seems. Now,...
Forum: General 12-24-2016, 10:02 PM
Replies: 15
Views: 12,741
Posted By Dan Lester
Thanks, Dave. I'll think about it. But it sure...

Thanks, Dave. I'll think about it. But it sure would be nice to see some technical report or something on options for home users to best preserve digital data. Of course, it's been noted that the...
Forum: General 12-23-2016, 10:40 PM
Replies: 15
Views: 12,741
Posted By Dan Lester
If this type of failure isn't considered a...

If this type of failure isn't considered a threat, then I have to wonder why NAS systems feature it, and people pay money for it.

I suspect it isn't common at least partly because continuously...
Forum: General 12-23-2016, 11:45 AM
Replies: 15
Views: 12,741
Posted By Dan Lester
Hmmm. So I guess that means that, without...

Hmmm. So I guess that means that, without plunking down money for a full-up NAS system, the only option for long term HD archiving is regular (though perhaps infrequent) wholesale rewrites of the...
Forum: General 12-22-2016, 09:47 AM
Replies: 15
Views: 12,741
Posted By Dan Lester
Thank you. But I've always looked at "scrubbing"...

Thank you. But I've always looked at "scrubbing" as simple hard erasure of a disk for security. What kind of scrubbing does data refresh? Is there an App that does that?

And yes, while MTBF of...
Forum: General 12-21-2016, 09:44 AM
Replies: 15
Views: 12,741
Posted By Dan Lester
I certainly agree that diverse coverage is good....

I certainly agree that diverse coverage is good. But if you have a few archive disks that you only do incremental SuperDuper backups on, there is a good chance that after a decade none of them will...
Forum: General 12-19-2016, 01:13 PM
Replies: 15
Views: 12,741
Posted By Dan Lester
question about "bit rot"

I've been thinking about hard disks as long-term storage, and I've realized that magnetic domains on hard disk actually aren't permanent. The field strength decreases by more than 1%/year. So even...
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