By default, the SMC_TASKS_TO_SLOTS_THRESHOLD setting within the
smcm.xml file globally defines the maximum ratio of active tasks to deserved
slots for all applications running multicluster workload placement,
before the resource starvation state is set. This setting is a single threshold for all clusters
within the global federation cluster. To configure the task to slot threshold for each cluster
independently, instead of using the global setting, set the cluster-level threshold using the
smcadmin cluster modify -T command.
Before you begin
This task outlines using the smcadmin cluster modify and
smcadmin cluster view commands. To change properties for a cluster, you require
the SMC_CLUSTER_CONTROL permission; to view a cluster's properties, you require SMC_CLUSTER_VIEW
permissions.
Procedure
- Run the smcadmin cluster modify command with the -T
option to set the task to slot threshold for a specific cluster:
smcadmin cluster modify -c cluster_name [-T task_to_slot_threshold]
For example, to set the task to slot threshold to 5 for a cluster called
myCluster
,
run:
smcadmin cluster view -c myCluster -T 5
Refer to
smcadmin for details on the
smcadmin command.
- Run the smcadmin cluster view command to verify your task to slot
threshold setting for the cluster:
smcadmin cluster view -c cluster_name
For example, to
verify that the
myCluster
cluster uses a task to slot threshold of 5, instead of
the global setting for all clusters within the federation cluster,
run:
smcadmin cluster view -c myCluster
Look for the
Task to Slot
Threshold (Migration)
line in the command output (for an example output, see
Viewing cluster properties in the federation cluster using the CLI).