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It was done for copyright reasons. The owners of the London A-Z street map book, for example, deliberately add non-existent streets and names. That way, if anyone copies their material they can quickly see if it's a copyright violation. The Ordnance Survey do the same as well.
"I do not have to forgive my enemies, I have had them all shot." — Ramón Maria Narváez (1800-68).
"I don't need to shoot my enemies, I don't have any." - Me (2012).
Ok, nothing spectacular, I just needed 2 bigger faster external hard disks for backup. Initially I went looking for a convenient 2.5 inch external hard disk. But after reading reviews on Amazon (very handy!) it dawned on me that these are all (without exception) consumer level crap devices that will break down rather sooner than later. Also the 3.5 inch external hard disks seemed to be just some nice looking enclosure with the cheapest possible hard disk inside with vague specifications.
So I decided to just buy 2 enterprise level 3.5 inch hard disks intended for servers, and some el cheapo enclosure, costs twice as much, but at least the quality should be significantly better:
- Western Digital Harddisk 3.5" 2TB, SATA600, 64MB, WD2000FYYZ (has 5 year warranty, nice!)
- Conceptronic Behuizing HDD 3.5" CHD3SUSB3 USB3.0 (aluminium)
I'm happy I finally ended up being able to choose something, the amount of choice in consumer toy land is dizzying, and they're not telling you it's all junk. Unfortunately a lot of people are still tricked in buying that stuff.
I haven't researched the enclosure part thoroughly I have to say, my requirements were that it did SATA III, and that it wasn't too plasticy and looking about to fall apart. So the one I chose did look quite robust, but none of these enclosures were very expensive. I wouldn't expect just the sata to usb 3.0 adapter to cost a lot either.
I have to agree with Amar - cheap enclosures are pretty mush worth what you paid for them.
Remember that HDDs will fail. It's just a case of when...I use a RAID 5 NAS, so that when one fails, the others take up the slack until I get a new disk in there and (so far) I have not lost any data (well, not over an hour old, anyway - that's how often my backup runs)
What do you mean, paranoid?
Typo - "check" for "cheap" - OriginalGriff[/edit]
If you get an email telling you that you can catch Swine Flu from tinned pork then just delete it. It's Spam.
I already have a Synology DS212+ NAS with two WD enterprise server disks (raid) in them, these 2 other disks will be for offsite backup and I'll switch them once in a while.
From the reviews on Amazon the problems I saw mostly either the disk itself failing, or a flimsy connection breaking from the PCB or pins breaking from the connection. Also power fed from the usb port seemed to be a source of reliability issues (in the consumer 2.5 inch portable world). But I didn't see mentions failure of the sata to usb electronics so far, but perhaps most Amazon reviewers aren't knowledgable enough to diagnose such a problem.