Merge pull request #1782 from nasark/activate_lvs_ssa

LVM guidelines for ISCSI/FC SmartState Analysis

Author: agrare

managing_infrastructure_and_inventory/_topics/storage_support_notes_about_analyzing_from_rhevm_3.0.md

@@ -44,3 +44,21 @@ storage. NFS storage does not have these requirements.
 
     3.  Select the server that relates to this instance of the
         {{ site.data.product.title_short }} appliance.
+
+3.  If your storage domain is using Logical Volume Manager (LVM), you will need to manually activate your volume groups
+    and logical volumes before performing the SmartState Analysis.
+
+    1. Edit the `/etc/lvm/lvm.conf` file on the appliance and add volume groups to activate as read-only:
+        ```
+        activation {
+            read_only_volume_list = ["volume_group_0", "volume_group_1", etc...]
+        }
+        ```
+        Note: the volume group names are the storage domain UUIDs
+    
+    2. Activate volume groups:
+        ```
+        vgchange -ay
+        ```
+
+    For more information, please refer to the Red Hat Enterprise Linux documentation.

managing_infrastructure_and_inventory/_topics/storage_support_notes_about_analyzing_from_rhevm_3.1.md

@@ -24,6 +24,22 @@ Red Hat Enterprise Virtualization Manager 3.1 and above.
       - A {{ site.data.product.title_short }} appliance **must** reside in each datacenter
         with the iSCSI / FCP storage type.
 
+      - If your storage domain is using Logical Volume Manager (LVM), you will need to manually activate your volume groups
+        and logical volumes before performing the SmartState Analysis.
+
+        1. Edit the `/etc/lvm/lvm.conf` file on the appliance and add volume groups to activate as read-only:
+            ```
+            activation {
+                read_only_volume_list = ["volume_group_0", "volume_group_1", etc...]
+            }
+            ```
+            Note: the volume group names are the storage domain UUIDs
+        
+        2. Activate volume groups:
+            ```
+            vgchange -ay
+            ```
+
   - Other Notes
 
       - The **Edit Management Engine Relationship** option enables the