1. rule ecpool {
  2. ruleset 2
  3. type erasure
  4. min_size 3
  5. max_size 3
  6. step set_chooseleaf_tries 5
  7. step set_choose_tries 100
  8. step take ssd
  9. step chooseleaf indep 0 type host
  10. step emit
  11. }