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--- aix:vios_ssp [2025/11/17 17:54]
manu [What is a SSP ?]
+++ aix:vios_ssp [2025/11/17 18:01] (current)
manu
@@ Line 337: / Line 337: @@
 https://www.ibm.com/support/pages/removing-shared-storage-pool-ssp-node-ssp-cluster-mappings
+===== Node Types (roles) In Shared Storage Pool Cluster =====
+In a SSP cluster, some nodes perform key roles handled in certain layers. These layers are classified as:
+  * Cluster Aware AIX (CAA)
+  * Database (DBN)
+  * Message Format Service (MFS)
+=== How to determine current CAA LEADER node ===
+<cli prompt='#'>
+$ oem_setup_env
+# pooladm dump node | grep -i leader
+            whichever one returns "amILeader=1" is the leader node.
+</cli>
+=== How to determine current MFS node ===
+<cli prompt='#'>
+$ oem_setup_env
+# pooladm pool lsmfs /var/vio/SSP/[CLUSTER_NAME]/D_E_F_A_U_L_T_061310
+</cli>
+=== How to determine DBN node ===
+<cli prompt='$'>
+$ cluster -status -verbose | grep -p DBN
+</cli>

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