KAMN601-W (E+L)

An error occurred in a system call invoked by an HA Monitor function. For more information about detail codes, see the documentation for the applicable OS.

         aa....aa: Invoked system call

         bb....bb: Detail code (1 or 3 digits)

         cc....cc: Name of function that generated the error

               S:

                  Continues processing.

               O:

                  Contact a system administrator.

               Action:

                  Determine the cause based on the detail code.

                  Note that, if the OS is Red Hat Enterprise Linux Server 7 or later, the following message might be output at HA Monitor startup:

                  KAMN601-W An error occurred in the sched_setscheduler system call. Error details:1 Functional name:osl_fixprio_linux

                  If this message is output, check whether a cgroup other than the root cgroup exists in the CPU subsystem (CPU resource controller).^#

                        #:

                           Other than being created manually, a cgroup in the CPU subsystem other than the root cgroup is created automatically in situations such as the following:

                           - When a Docker container is started.

                           - When a service that uses a value specified for CPUShares in the Unit settings file is started.

                  If a cgroup other than the root cgroup exists in the CPU subsystem, overwrite the value specified for ExecStart in the /usr/lib/systemd/system/HAmon-powercontrol.service file as follows. Overwriting the value causes the HA Monitor process to operate by using the root cgroup explicitly.

                        Before overwriting the value:

                          :
ExecStart=/bin/sh -c '/opt/hitachi/HAmon/bin/HApwon >/dev/null 2>&1'
  :

                        After overwriting the value:

                          :
ExecStart=/bin/cgexec -g cpu:./ --sticky /bin/sh -c '/opt/hitachi/HAmon/bin/HApwon >/dev/null 2>&1'
  :