capacity     operations    bandwidth
pool        alloc   free   read  write   read  write
----------  -----  -----  -----  -----  -----  -----
ost0         704G  39.3T      0  1.20K  1.63K  1.16G
ost0         704G  39.3T  2.05K      0  2.03G      0
ost0         704G  39.3T  2.04K      0  2.01G      0
ost0         704G  39.3T  2.08K      0  2.05G      0
ost0         704G  39.3T  1.96K      0  1.94G  1.57K