25.13.5 Monitoring statuses

Organization of this subsection
(1) Unit and server operating statuses
(2) Checking the system status
(3) Checking whether or not a command or utility can be executed

(1) Unit and server operating statuses

Table 25-45 shows how to check the operating status of units and servers when a system switchover facility is used.

Table 25-45 Checking the operating status of units and servers when a system switchover facility is used

CommandSystem switchover facilityOutput information
pdls -d svrStandby system switchover facility
  • Host name (the primary system host name is displayed after system switchover)
  • Unit operating status
  • Server operating status
Standby-less system switchover (1:1) facility
  • Host name (the primary system host name (host name of the normal BES) is displayed after system switchover)
  • Unit operating status (the unit identifier of the normal BES is displayed after system switchover)
  • Server operating status
Standby-less system switchover (effects distributed) facility
  • Host name (the host name of the accepting unit is displayed after system switchover)
  • Unit operating status (the unit identifier of the accepting unit is displayed after system switchover)
  • Server operating status (displayed as a server belonging to the accepting unit after system switchover)

(2) Checking the system status

Table 25-46 shows how to check the system status when a system switchover facility is used.

Table 25-46 Checking the system status when a system switchover facility is used

CommandSystem switchover facilityOutput information
pdls -d haStandby system switchover facility
  • Host name and system status of the primary system (running/standby/stopped)
  • Host name and system status of the standby system (running/standby/stopped)
  • This command can check the host name and status of the standby system only when IP addresses are not inherited.1
Standby-less system switchover (1:1) facility
  • Host name and status of the normal BES unit (running/standby/stopped)
  • Host name and status of the alternate BES unit (running/standby/stopped)
Standby-less system switchover (effects distributed) facility
  • Name and status of the unit where the back-end server is located (running/standby/stopped/running system in wait status) and defined destination unit name
    Detailed status of the back-end server is displayed only when the detailed display option (-a) is specified.
monshow (only when HA monitor is used)Standby system switchover facility
  • Local system's host name and status2
  • Other system's host name and status3
Standby-less system switchover (1:1) facility
Standby-less system switchover (effects distributed) facility
hateshow (only when Hitachi HA Toolkit Extension is used)Standby system switchover facility
  • Status of the local system4
Standby-less system switchover (1:1) facility
Standby-less system switchover (effects distributed) facility
1 When IP addresses are inherited, use a command of the cluster software to check the system status. For details about the information displayed, see the documentation for the cluster software.
2 Statuses are displayed for the following categories:
Executing, on standby, starting as a running server, starting as a standby server, stopped as the running server, stopped as a standby server, waiting for restart as the running server, waiting for restart as a standby server, waiting for server system switchover, waiting for linked server system switchover
3 Statuses are displayed for the following categories:
Executing, on standby, starting as a running server, starting as a standby server, stopped as the running server, stopped as a standby server, waiting for restart as the running server
4 Statuses are displayed for the following categories:
Startup completed for the running server, startup completed for a standby server, running server starting, a standby server starting, the running server being stopped, a standby server being stopped, the running server waiting to be restarted, server not yet started

(3) Checking whether or not a command or utility can be executed

Execute the pdls -d svr command on the system manager unit of the primary system.