DFS3874I LEAVERSE MODE=IOP|TAKEOVER WAS ISSUED

Explanation

The Availability Manager was notified that the IMS system issuing this message is no longer considered part of the XRF recoverable service element (RSE). The name of the RSE can be found on the RSENAME parameter in the DFSHSBxx member of PROCLIB. In an FDBR environment, the subsystem name of the active IMS is used as the RSE.

When this message is issued by the active IMS, I/O prevention or Takeover was requested.