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"Phil" == Phil Turmel [off-list ref] writes:

Phil> On 11/16/2015 02:52 PM, John Stoffel wrote:

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So I like the 5 year warranttee on the blacks, but it does look like
the REDs are the way to go.  And I think I'll also go with splitting
my data between seagate and WD and possibly Hitachi (I know, they've
been bought by WD) to make a three way RAID 1 mirror across 4Tb
drives.  Yes, I'd get more room out of RAID5, but I'm not that silly,
and I don't need to move to 4 x 4Tb in RAID6 either.

Phil> Seagate was the brand that screwed me first with the
Phil> industry-wide deletion of ERC support in desktop drives.
Phil> Hitachi held onto it the longest.  Whatever you consider, read
Phil> the data sheets carefully to ensure they have ERC support.
Phil> Google the model number along with 'linux-raid' and 'scterc' to
Phil> see our past experiences with specific drives.

Yeah, I'm hoping I can find the Hitachis at a good price, but right
now it's looking like the WD REDs are the best price right now.  I'm
just leary of getting too many from the same vendor in case I get a
bad batch.

But it might be ok to get 2 x WD REDs and one of the Seagate NAS
drives to do a triple mirror.  And then wait before I do the pair of
SSDs for lvmcache, though maybe just going with a pair of 64Gb ones
would be enough for my needs.  I really don't change all that many
files a night.