So what would be the normal life expectancy for a SSD, 3, 5, 10 years?

I think that would depend on writes. IOW, YMMV. Try a never ending
repetition of CRTNWSSTG followed by DLTNWSSTG if you really want to put it
through the paces.
IBM curtails certain commands from working on SSD's to keep yourself from
shooting yourself in the foot. Like STRASPBAL *USAGE, STRDSKRGZ, etc.

I have three Power 8's. Each one has lost at least one drive. Two of the
three are running SSD's. I'm a big fan of Raid 5 with hot spare. Sure,
there some naysayers that say RAID5 and RAID6 are both obsolete due to
disk size, etc. Their charts may be saying one thing, but my experience
is saying another.

Rob Berendt

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