Mon Oct 17 19:16:56 +0800 [Nodename: dsa_disc: callhome.dsk.redun.fault:error]: Call home for DISK REDUNDANCY FAILED Mon Oct 17 19:16:56 +0800 [Nodename: dsa_disc: ses.multipath.ReqError:alert]: SAS d...Mon Oct 17 19:16:56 +0800 [Nodename: dsa_disc: callhome.dsk.redun.fault:error]: Call home for DISK REDUNDANCY FAILED Mon Oct 17 19:16:56 +0800 [Nodename: dsa_disc: ses.multipath.ReqError:alert]: SAS disk shelf detected without a multipath configuration. This might occur when the controller does not have dual-path configuration to stack 18, a SAS HBA port on the controller connected to the disk shelf is disabled, or shelf-to-shelf cabling is incorrect.