capacity     operations    bandwidth
pool        alloc   free   read  write   read  write
----------  -----  -----  -----  -----  -----  -----
ost0         642G  35.6T    344    348   339M   339M
ost0        39.3G  36.2T     47    924   381K   557M
ost0        91.2G  36.2T    213  1.86K   852K   712M
ost0         132G  36.1T    351  1.92K  1.37M   550M
ost0         168G  36.1T    489  1.86K  1.91M   519M
ost0         204G  36.1T    572  1.90K  2.24M   494M
ost0         240G  36.0T    471  2.14K  1.84M   494M
ost0         264G  36.0T    349  1.42K  1.37M   336M
ost0         300G  36.0T    274  2.26K  1.07M   493M