capacity     operations    bandwidth
pool        alloc   free   read  write   read  write
----------  -----  -----  -----  -----  -----  -----
ost0         634G  35.6T      0    525    684   512M
ost0         642G  35.6T  1.33K     62  1.31G  58.7M
ost0         642G  35.6T  1.53K      0  1.52G      0
ost0         642G  35.6T  1.52K      0  1.51G      0
ost0         642G  35.6T  1.53K      0  1.52G      0
ost0         642G  35.6T  1.54K      0  1.51G      0