Race to power off harming SATA SSDs

[Atlant Schmidt]

> Well, you are right.. and I'm responsible.
>
> What I was trying to point out was that storage people try to treat SSDs as HDDs...
> and SSDs are very different. Harddrives mostly survive powerfails (with emergency
> parking), while it is very, very difficult to make SSD survive random powerfail,
> and we have to make sure we always powerdown SSDs "cleanly".

  It all depends on the class of SSD that we're discussing.
  "Enterprise class" SSDs will often use either ultracapacitors
  or batteries to allow them to successfully complete all of
  the necessary operations upon a power cut.

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