Try to prevent double block retire (#4330)

* Try to prevent double block retire

* Remove print

* More careful setting of segmentsMax

* Print snapshots max

* Clean lists

* Print

* Use Reopen

* Fix

* Remove prints

Co-authored-by: Alex Sharp <alexsharp@Alexs-MacBook-Pro.local>
Co-authored-by: Alexey Sharp <alexeysharp@Alexeys-iMac.local>