Should SMR Drives be used in a Drobo

I have read a lot of information out there on the issues around SMR.

In general, it seems like everyone agrees with these:

  • The drives generally perform OK as long as they are not under continual heavy load
  • Consequently, when used in RAID (or RAID-like) systems rebuild times are much, much slower (up to 10x the time to rebuild)

Here are ones that I have seen anecdotally and consequently am not confident of. Does anyone know whether any of them are true (and ideally why):

  • SMR drives will fail faster in a RAID system
  • Drobo does not support SMR drives
  • Drobo does not recommend SMR drives

Thank you!

My assessment based on others experience:

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