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Step by Step How to Configure Shared Storage for Oracle RAC Using Openfiler


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Configuring Shared Storage  for Oracle RAC Using Openfiler

Step1: Install Openfiler Storage Management Appliance. 
You can find Step by step instruction at How to Install OpenFiler Storage Management Appliance
Step2: Login to Openfiler
Login to your openfiler with username openfiler and Default Password password.
After  successful Installation of openfiler GUI is accessible at port 446.
https://192.9.1.105:446/
Step3: Add Storage Clients
Navigate to System tab and enter the Name of all the Client Servers who will Access the storage provided by this openfiler. To save the entry just click update
Step4: Create and Configure Storage volume
Navigate to Volumes tab and click on the link "create new physical volumes"
You will be navigated to the below page. on this page just select the disk listed in the Edit Disk column
On this page just click Create

The physical volume is now successfully created
Step5: Create the Volume Group Using Physical Volume Created in Step4
From right side Volumes Section choose Volumes Group and provide the Details as shown below and click add volume Group
Step6: Create Volumes in Volume Group
Create Volume on top of your Volume Group. To create Volume choose Add Volume Option. Enter the required Details as highlighted. and click create
Ensure you are choosing file-system/ Volume type as iSCSI. Create one Volume selecting all the space.
  After Successful creation of Volume, it will  look like this
Step7: Configure Targets
Go to Volumes Section again and choose iSCSI Targets Option. Choose the tab Target Configuration
Click on add button and then just click update update to save the IQN target (do not modify anything on this page. Let everything be default)
Step8: Map The LUN
Go to the tab LUN Mapping and click on Map.
Step9: Allow the LUN discovery on the server
Go to the tab Network ACL and modify the Access field from deny to allow.
That's all you are done with openfiler configuration.
Next step is to discover the configured volume (LUN) on the server

How to Configure Openfiler Client

or

How to discover Openfiler Disk on Target Server

Step1: Discovering the LUN on Server
Login as root user and execute the below commands
#iscsiadm -m discovery -t sendtargets -p 192.9.1.105
#iscsiadm -m node -T iqn.2006-01.com.openfiler:tsn.05d8f0355e34 -p 192.9.1.105 -l
#iscsiadm -m node -T iqn.2006-01.com.openfiler:tsn.05d8f0355e34 -p 192.9.1.105 --op update -n node.startup -v automatic
Note: Change the blue highlighted value from the Output value of iscsiadm -m discovery -t sendtargets -p 192.9.1.105 command as shown below
Step2: Verify the Disks on the Server
Verify the disk availability on your target Server

The storage volume configured using openfiler is now visible on the server.

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