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Sun Cluster Data Services Developer's Guide for Solaris OS

Using Sun Cluster Administration Commands to Create a Service That Uses the GDS

This section describes how to input arguments to the GDS. You use the existing Sun Cluster administration commands, such as scrgadm and scswitch, to maintain and administer the GDS.

If the scripts provide adequate functionality, you do not need to use the lower-level administration commands that are shown in this section. However, you can use the lower-level administration commands if you need to have finer control over the GDS-based resource. These commands are executed by the scripts.

ProcedureHow to Use Sun Cluster Administration Commands to Create a Highly Available Service That Uses the GDS

Steps

  1. Become superuser or assume an equivalent role.

  2. Register the resource type SUNW.gds.


    # scrgadm -a -t SUNW.gds

  3. Create the resource group that contains the LogicalHostname resource and the failover service itself.


    # scrgadm -a -g haapp_rg

  4. Create the resource for the LogicalHostname resource.


    # scrgadm -a -L -g haapp_rs -l hhead

  5. Create the resource for the failover service itself.


    # scrgadm -a -j haapp_rs -g haapp_rg -t SUNW.gds \
         -y Scalable=false -y Start_timeout=120 \
         -y Stop_timeout=120 -x Probe_timeout=120 \
         -y Port_list="2222/tcp" \
         -x Start_command="/export/ha/appctl/start" \
         -x Stop_command="/export/ha/appctl/stop" \    
         -x Probe_command="/export/app/bin/probe" \
         -x Child_mon_level=0 -y Network_resources_used=hhead \
         -x Failover_enabled=TRUE -x Stop_signal=9

  6. Bring the resource group haapp_rg online.


    # scswitch -Z -g haapp_rg

ProcedureHow to Use Sun Cluster Administration Commands to Create a Scalable Service That Uses the GDS

Steps

  1. Become superuser or assume an equivalent role.

  2. Register the resource type SUNW.gds.


    # scrgadm -a -t SUNW.gds

  3. Create the resource group for the SharedAddress resource.


    # scrgadm -a -g sa_rg

  4. Create the SharedAddress resource on sa_rg.


    # scrgadm -a -S -g sa_rg -l hhead

  5. Create the resource group for the scalable service.


    # scrgadm -a -g app_rg -y Maximum_primaries=2 \
      -y Desired_primaries=2 -y RG_dependencies=sa_rg

  6. Create the resource for the scalable service.


    # scrgadm -a -j app_rs -g app_rg -t SUNW.gds \
       -y Scalable=TRUE -y Start_timeout=120 \ 
       -y Stop_timeout=120 -x Probe_timeout=120 \
       -y Port_list="2222/tcp" \
       -x Start_command="/export/app/bin/start" \
       -x Stop_command="/export/app/bin/stop" \
       -x Probe_command="/export/app/bin/probe" \
       -x Child_mon_level=0 -y Network_resource_used=hhead \
       -x Failover_enabled=TRUE -x Stop_signal=9

  7. Bring the resource group that contains the network resources online.


    # scswitch -Z -g sa_rg

  8. Bring the resource group app_rg online.


    # scswitch -Z -g app_rg