You can configure SAN boot on a Red Hat Enterprise Linux 7 series host using software iSCSI.
Before you begin
Check the Interoperability Matrix.
Steps
- Initiate the installation.
- Continue with the installation until you reach the installation summary page.
- Click Installation Destination.
- Click Add a disk
- Click Add iSCSI target
- Enter the target IP address and the iSCSI initator name.
- On the storage controller, create an igroup with the initiator name that you provided in Step 6.
- Create a LUN on the storage system on which you intend to create a root partition, and map it to the igroup.
- Return to the host screen.
- Click Start Discovery to discover target portals.
- Select all the discovered iSCSI sessions and click on Log In.
- Navigate to Multipath Devices to select iSCSI multipath SAN boot LUN and click Done.
- Select the I will configure partitioning option and click Done.
- In the Manual Partitioning window, create the root file system on the selected device and select the mount point as /.
- Create a SWAP partition.
Note: You can create a SWAP partition on the same LUN that contains the root partition or on a different LUN.
If you are using the software suspend funcitonality, you should ensure that the SWAP partition is on a local disk.
- Create the /boot partition on the locally attached disk or use a PXE server to load the kernel boot image.
- Click Done and follow the installation prompts to complete the installation