capacity     operations    bandwidth
pool        alloc   free   read  write   read  write
----------  -----  -----  -----  -----  -----  -----
ost0         512G  28.5T      0  1.32K  34.3K  1.29G
ost0         512G  28.5T  1.55K      0  1.54G      0
ost0         512G  28.5T  1.52K      0  1.51G      0
ost0         512G  28.5T  1.52K      0  1.51G      0
ost0         512G  28.5T  1.53K      0  1.51G      0
ost0         512G  28.5T  1.51K      0  1.49G      0