[CLUSTER-N1: dsa_worker0: ses.status.ACPError:alert]: DS224-12 (S/N SHFNC1234567890) shelf 1 on channel 1a ACP Processor error for SAS shelf ACP processor 1: critical status ; Alternate Control Path h...[CLUSTER-N1: dsa_worker0: ses.status.ACPError:alert]: DS224-12 (S/N SHFNC1234567890) shelf 1 on channel 1a ACP Processor error for SAS shelf ACP processor 1: critical status ; Alternate Control Path hardware failed This module is on the rear of the shelf at the top left, on shelf module A.