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It's worth noting these new drives are Helium drives, and they use SMR now, similar to the newer SeaGates and HGST Helium drives. The old Reds used PMR. Don't mix SMR and PMR drives in your RAID, people!
a quick "google" seems to say it's unclear.. that WD is now hiding from the consumer whether or not the newer REDs are SMR. interesting.
It's worth noting these new drives are Helium drives, and they use SMR now, similar to the newer SeaGates and HGST Helium drives. The old Reds used PMR. Don't mix SMR and PMR drives in your RAID, people!
SMR hard disks are very slow for random read / write. so if you dont write or read in sequential chunks the performance you will get is very bad compared to normal disks. while if you do sequential read and write then you will get good performance. What happened to wd? They used to be the best, now all of their products are just overpriced crappy harddrives that are no better than the Segate harddrives which are known to fail alot. https://www.reddit.com/r/DataHoar...f_ca
a quick "google" seems to say it's unclear.. that WD is now hiding from the consumer whether or not the newer REDs are SMR. interesting.
a quick "google" seems to say it's unclear.. that WD is now hiding from the consumer whether or not the newer REDs are SMR. interesting.
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What differentiates NAS drives from desktop drives, besides NAS drives having longer lasting motors, is the HDD's onboard firmware. Desktop drives have a ton of power saving modes built in. They also have very aggressive error correction algorithms built in. This is generally good to have in a single drive desktop PC, but they're BAD things to have in a fault tolerant server running 10 HDDs off a hardware RAID card which itself has its own error correction & recovery routines built into firmware. Often when you run consumer desktop HDD's in a big hardware RAID array, you'll get weird things happening like HDD's spontaneously dropping out or timing out b/c the consumer HDD's algorithms are conflicting with the RAID card. The RAID card doesn't understand why the HDD isn't instantly responding to commands... This is why NAS drives lack all the power management & error recovery routines by default... to prevent hardware conflicts.