双机环境下主机的日志信息报错

Question

Sep 25 11:21:00 comm-1 scsi: [ID 243001 kern.info] /scsi_vhci (scsi_vhci0):
Sep 25 11:21:00 comm-1  /scsi_vhci/disk@g600a0b80007474d70000021d4c8ae1fe (sd4): path /pci@0,0/pci8086,3410@9/pci103c,7040@0/fp@0,0 (fp0) target address 202500a0b85b760d,1 is now STANDBY because of an externally initiated failover
Sep 25 11:21:00 comm-1 scsi: [ID 243001 kern.info] /scsi_vhci (scsi_vhci0):
Sep 25 11:21:00 comm-1  Initiating failover for device disk (GUID 600a0b80007474d7000002694c8bf731)
Sep 25 11:21:01 comm-1 scsi: [ID 243001 kern.info] /scsi_vhci (scsi_vhci0):
Sep 25 11:21:01 comm-1  Initiating failover for device disk (GUID 600a0b80007474d70000021d4c8ae1fe)
Sep 25 11:21:02 comm-1 scsi: [ID 243001 kern.info] /scsi_vhci (scsi_vhci0):
Sep 25 11:21:02 comm-1  Failover operation completed successfully for device disk (GUID 600a0b80007474d7000002694c8bf731): failed over from <none> to secondary
Sep 25 11:21:04 comm-1 scsi: [ID 243001 kern.info] /scsi_vhci (scsi_vhci0):
Sep 25 11:21:04 comm-1  Failover operation completed successfully for device disk (GUID 600a0b80007474d70000021d4c8ae1fe): failed over from <none> to secondary

两台主机的日志中都在不停的刷新这些信息，请问是什么原因导致的呢？