Description of problem:
this could be an issue as we parse ceph command output because there was no proper output from ceph cli json output

regarding size, there is an issue as we are able to parse in k, M and G (kb, mb, gb), but not in T (tb)

2016-10-12T12:15:59.105+02:00 ERROR    monitoring.go:1015 FetchClusterStats] skyring:0b783375-03b6-4793-97bf-0dea590c6f9b - Failed to fetch cluster usage statistics.Error Failed to fetch cluster stats from cluster ceph.Could not unmarshal GLOBAL:
    SIZE     AVAIL     RAW USED     %RAW USED 
    210T      142T       69100G         32.13 
POOLS:
    NAME                ID     USED       %USED     MAX AVAIL     OBJECTS  
    rbd                 0           0         0        45281G            0 
    cephfs_data         1      22975G     33.66        45281G     14741206 
    cephfs_metadata     2      61931k         0        45281G       114516 
.Error . Failed to fetch cluster total size. Error strconv.ParseInt: parsing "210T": invalid syntax. Failed to fetch cluster available size.Error strconv.ParseInt: parsing "142T": invalid syntax

Version-Release number of selected component (if applicable):
rhscon-core-0.0.41-1.el7scon.x86_64

How reproducible:
easily

Steps to Reproduce:
1.
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Actual results:
Error when parsing in T units

Expected results:
no error

Additional info: