Backblaze Hard Drive Stats for 2018

Re:Backblaze Hard Drive Stats for 2018 by saltcured on Tuesday January 22, 2019 @06:58PM (#18974196)

It's not impossible to have a drive appear unreliable in one machine and reliable in another (if you physically move it). There could be something electrically or mechanically wrong with the machine which causes a particular drive to malfunction more frequently.

If you see this repeatedly with one machine, I would definitely consider that it is the machine which is bad rather than the drives. A power supply may be insufficient to support the peak requirements of the drives, for example. A poor mounting structure might resonate or transfer vibration or shock into one or more drive slots from the environment.

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Re:Backblaze Hard Drive Stats for 2018 by lathiat on Wednesday January 23, 2019 @05:47AM (#18977214)

Vibrations can be problematic in multi drive chassis. The more NAS rated drives are apparently rated specifically to deal better with vibrations and of course the NAS itself some isolate drives far better than others from each other.

It might seem minor, but just watch this rather old now but infamous video of Brendan Gregg shouting at HDDs causing significant drops in throughput: https://www.youtube.com/watch?v=tDacjrSCeq4

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Re:Backblaze Hard Drive Stats for 2018 by HillaryBriss on Wednesday January 23, 2019 @11:46AM (#18979849)

fun video! it doesn't take much vibration. (or he's just an incredibly loud screamer.)

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Re:Backblaze Hard Drive Stats for 2018 by HillaryBriss on Tuesday January 22, 2019 @07:15PM (#18974340)

thanks for that interesting note. i had been thinking only about heat as a cause of trouble in that enclosure (an old Netgear ReadyNas).

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