Multi-rule EC #1270
Description
Is your feature request related to a problem? Please describe.
container supports up to 4 EC rules
Describe the solution you'd like
add suites for containers with 2 EC rules
besides encoding and placement done for both rules, greater fault tolerance is expected. For example, if >P1 parts are unavailable according to rule 1 D1/P1, but at least P2 are available according to rule 2 D2/P2, the object must be available