A- In DRBD Users's guide , in explanation of "resource-only" which one of fencing policy , they said:
"If a node becomes a disconnected primary, it tries to fence the peer's disk. This is done by calling the fence-peer handler. The handler is supposed to reach the other node over alternative communication paths and call 'drbdadm outdate minor' there." My question is : if the handler can't reach the other node for any reason ,what will happen ? B- In active/passive mode , are these directives have effect: Are these directives "after-sb-0pri , after-sb-1pri , after-sb-2pri" have effects in Active/passive mode or only in Active/Active mode ? If they have effects , what if i don't set them , is their default value for each ? C- can I use SBD fencing with drbd+pacemaker rather than IPMI or PDU? Thanks -- KHALED MOHAMMED ATTEYA
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