Sure, but why replace it after 15,000 hours if all the SMART tests are fine, zero bad sectors, and I have zero performance issues with it?
If anything, based on the fact that one of the 3 x 26,000 hour CMR drives failed, I should be replacing those instead of the SMR one.
I wasn't implying you replace it. I was just giving a bit of background on the difference between the two. Far out, it's barely run in. I wouldn't replace the CMR drives either. I have a small array of those 6TB spinners with 36k hours on them. Like most drives, keep them spinning with heads loaded and they'll keep going.
9 Power_On_Hours 0x0032 051 051 000 Old_age Always - 36033
9 Power_On_Hours 0x0032 051 051 000 Old_age Always - 36023
9 Power_On_Hours 0x0032 051 051 000 Old_age Always - 36023
9 Power_On_Hours 0x0032 051 051 000 Old_age Always - 36023
9 Power_On_Hours 0x0032 051 051 000 Old_age Always - 36023
9 Power_On_Hours 0x0032 051 051 000 Old_age Always - 36031
9 Power_On_Hours 0x0032 051 051 000 Old_age Always - 36023
9 Power_On_Hours 0x0032 051 051 000 Old_age Always - 36022
I have another "slightly older" set of WD 2TB drives supplemented with some "scraps" I had lying around :
9 Power_On_Hours 0x0032 071 071 000 Old_age Always - 21560
9 Power_On_Hours 0x0032 019 019 000 Old_age Always - 59698
9 Power_On_Hours 0x0032 028 028 000 Old_age Always - 52862
9 Power_On_Hours 0x0032 019 019 000 Old_age Always - 59698
9 Power_On_Hours 0x0032 019 019 000 Old_age Always - 59701
9 Power_On_Hours 0x0032 019 019 000 Old_age Always - 59729
9 Power_On_Hours 0x0032 040 040 000 Old_age Always - 44217
9 Power_On_Hours 0x0032 019 019 000 Old_age Always - 59698
9 Power_On_Hours 0x0032 019 019 000 Old_age Always - 59697
As long as they keep going, just use them until they die. I'd avoid buying any new SMR drives though.