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"