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  1. J

    HDD diversity

    well, here are the results (plus some extra observations): 1) two WDC drives in bays 1 and 2: Hard disk model_______Western Digital Caviar Green family Model number_______WDC WD10EADS-00M2B0 Serial number_______W -DMWVA05317777 Disk capacity_______931.51 GB Firmware...
  2. J

    HDD diversity

    well, so true... :) back to where it all started - HDD manufacturer diversity. Just ordered QNAP TS-439Pro with two WD's and two HITACHI's drives. Once I put it all together, I will update this post with the results... (remember - HITACHI I bought is not on their official web site, but their...
  3. J

    HDD diversity

    no, two drives died within approximately a week of each other. I think one case was just 2 days apart, and another case was about a week. In both cases there was not enough time to DELIVER disks. no one suspected a second failure would happen that fast - would have walked to BestBuy and got a...
  4. J

    HDD diversity

    Thank you for your reply. I have TWO clients who lost their RAID because of that (years ago though). One had RAID-1 with two HDDs and another had RAID-5 with eight HDDs. they both had same model, same batch HDDs. One hard drive died, and in less than a week, another one - crashing array in...
  5. J

    HDD diversity

    Hi, I was thinking if this would be a good idea to to get different hard drives for 4-bay NAS (QNAP-439Pro to be specific) so they won't die all at once. I was looking at: 1) WD 1TB Green WD10EADS and 2) Hitachi 1TB 7K1000.B HDT721010SLA360 - 0A38016 the big difference between...
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