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--- aix:vios_ssp [2025/10/16 16:40]
manu
+++ aix:vios_ssp [2025/11/17 18:01] (current)
manu
@@ Line 4: / Line 4: @@
 https://www.ibm.com/support/pages/shared-storage-pool-ssp-best-practice
+https://www.ibm.com/support/pages/shared-storage-pools-cheat-sheet
+===== What is a SSP ? =====
+It can be compared to a datastore into the VMware world, with some differences
+{{:aix:vios_ssp01.png?800|}}
 ===== Stop/start a cluster SSP =====
@@ Line 324: / Line 332: @@
          Get the redirection wrong and you will destroy your LU data
 </code>
+===== Removing Shared Storage Pool (SSP) Node From SSP Cluster With Mappings =====
+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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