see esxi_build
esxcli hpssacli cmd -q "controller slot=2 show config detail"
or
/opt/hp/hpssacli/bin/hpssacli ctrl all show config detail
Surface scan speed (delay in seconds)
esxcli hpssacli cmd -q "controller slot=2 modify ssd=1"
Rebuld priority
[root@esxi:~] esxcli hpssacli cmd -q "controller slot=2 modify rp=medium"
Read/Write ratio (in that order)
[root@esxi:~] esxcli hpssacli cmd -q "controller slot=2 modify cr=50/50"