Is that true that it is easy to expand a LUN on VMAX3? It is not using any BCV to protect data?
Symcli command below will do the job to expand a LUN to 400GB (let's say it is 350GB now and want to expand it to 400GB)?
symdev -sid 0123 modify LUNID -tdev -cap 400 -captype gb
that is correct.