Hi Tayo,
A little late but here some useful symcli commands:
symcfg list -v (displays sym vitals like available cache slots, configured sym devices, parity raid configurations microcode level, etc.)
symconfigure list -freespace -units MB (displays formatted free space in MB)
symconfigure list -v (more of the same but in cylinders not MBs, also displays max hypers per disk)
Regards
Gary