I've got business with a server at home (its actually just a very good Windows 7 Pro machine). Its got business files, templates, etc. Its set up with a real nice automated backup regimen and battery backup.
I will be traveling a lot, and having other team members needing to access these...
I have to throw an exception here.
DELL, IBM et. al. are very firm in no longer recommending single parity RAID (RAID 5) with drives in excess of 1TB. Personally, I think even double parity/diagonal parity is a bad idea with very large drives.
Its all about the unrecoverable read...
Sounds like some sort of weirdness leading to write multiplication on a crazy level.
Saw something like this with an SSD installed on an XP system with no trim, etc., and where the SSD was not aligned (whole OS was imaged, off of course).
The user downloaded some large audio book...
You're right that its not black and white. And the situation you describe is why DELL, et. al., now no longer recommend RAID 5 in particular for very large drives. With published specs guarantying at least 1 non-recoverable read error out of every 10^14 bits read, you've got maybe a 15 to...
WD Blacks are desktop drives without TLER.
This is contributing to your problem.
Edited to add:
The issue is drives without TLER do not let "RAID be RAID"
Here's what happens.
Consumer desktop drives encountering a read error (inevitable on magnetic storage) will retry, and...