capacity     operations    bandwidth
pool        alloc   free   read  write   read  write
----------  -----  -----  -----  -----  -----  -----
ost0         704G  39.3T      0  1.38K  1.98K  1.34G
ost0         704G  39.3T  1.95K      0  1.93G      0
ost0         704G  39.3T  1.97K      0  1.94G      0
ost0         704G  39.3T  2.01K      0  1.99G      0
ost0         704G  39.3T  1.80K      0  1.78G      0