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Per Jessen composed on 2015-03-16 20:35 (UTC+0100):
Felix Miata wrote:
If the actual date of manufacture (often missing from labels of refurbs) is post-2010, it is almost certainly 4k, regardless of size. The only 2TB devices I have were manufactured before 2011. IOW, Anton was on track, everything made in the past 4+ years is 4k.
Empirical evidence says otherwise. I have for instance 24 SATA drives currently active, all 2Tb. They're running 24x7, I'm judging their approx. manufacture date by power_on_hours. The oldest is from Jan2012, the youngest from March 2014.
Can't read the labels on any of them?
They're all 512bytes block size. And
Determined how? What do the manufacturer's specifications report? As I replied to Chris earlier today, not every utility ostensibly able to report a device's block size will report it correctly. Going through a RAID controller would raise my level of suspicion.
yes, they were all deployed within days of purchase. Manufacture date could vary by a couple of months I suppose.
More than a couple. I don't have 24 of any one model, but I do have models with manufacture dates more than 6 months apart. I suppose anyone trying to match a big RAID's installed models with new acquisitions just might find them separated by 2 years or more.
I bought some WDC RE4's only just recently, but they're spares, I don't know their blocksizes.
Their labels you surely could read to get the dates. :-) -- "The wise are known for their understanding, and pleasant words are persuasive." Proverbs 16:21 (New Living Translation) Team OS/2 ** Reg. Linux User #211409 ** a11y rocks! Felix Miata *** http://fm.no-ip.com/ -- To unsubscribe, e-mail: opensuse+unsubscribe@opensuse.org To contact the owner, e-mail: opensuse+owner@opensuse.org