9–iSCSI Configuration
Configuring iSCSI Boot from SAN for SLES 12
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b.
Go to
/etc/default/grub
and change the
rd.iscsi.ibft
parameter to
rd.iscsi.firmware
.
c.
Issue the following command:
grub2-mkconfig -o /boot/efi/EFI/suse/grub.cfg
d.
To load the multipath module, issue the following command:
modprobe dm_multipath
e.
To enable the multipath daemon, issue the following commands:
systemctl start multipathd.service
systemctl enable multipathd.service
systemctl start multipathd.socket
f.
To add devices to the multipath, issue the following commands:
multipath -a /dev/sda
multipath -a /dev/sdb
g.
To run the multipath utility, issue the following commands:
multipath
(may not show the multipath devices because it is booted with
single path on L2)
multipath -ll
h.
To Inject the multipath module in initrd, issue the following command:
dracut --force --add multipath --include /etc/multipath
i.
Reboot the server and enter system settings by pressing the F9 key
during the POST menu.
6.
Change UEFI configuration to use L4 iSCSI boot:
a.
Open System Configuration, select the adapter port, and then select
Port Level Configuration
.
b.
On the Port Level Configuration page, set the
Boot Mode
to
iSCSI (HW)
and set
iSCSI Offload
to
Enabled
.
c.
Save the setting, exit the System Configuration Menu, and then reboot.
The OS should now boot through the offload interface.
