6–Boot from SAN Configuration
iSCSI Boot from SAN
96
BC0154501-00 P
Migrating to Offload iSCSI for RHEL 7.2/7.3
To migrate from a software iSCSI installation to an offload iSCSI for
RHEL 7.2/7.3:
1.
Update Open-iSCSI tools and iscsiuio by issuing the following commands:
#
rpm -ivh qlgc-open-iscsi-2.0_873.111.rhel7u3-3.x86_64.rpm --force
#
rpm -ivh iscsiuio-2.11.5.3-2.rhel7u3.x86_64.rpm --force
2.
Reload all the daemon services by issuing the following command:
#
systemctl daemon-reload
3.
Restart iscsid and iscsiuio services by issuing the following commands:
#
systemctl restart iscsiuio
#
systemctl restart iscsid
4.
Edit the
/usr/libexec/iscsi-mark-root-nodes
file as follows:
a.
Locate the following statement:
if [ "$transport" = bnx2i ]; then
b.
Change the statement to:
if [ "$transport" = bnx2i ]
|| [ "$transport" = qedi ]
; then
5.
Edit the
/etc/default/grub
file as follows:
a.
Locate the following statement:
GRUB_CMDLINE_LINUX="iscsi_firmware ip=ibft"
b.
Change this statement to:
GRUB_CMDLINE_LINUX="
rd.iscsi.firmware
"
6.
Create a new
grub.cfg
file by issuing the following command:
#
grub2-mkconfig -o /boot/efi/EFI/redhat/grub.cfg
7.
Build the
initramfs
file by issuing the following command:
#
dracut -f
8.
Reboot the server, and then open the UEFI HII.
NOTE
To retain the original contents of the inbox RPM during installation, you
must use the
-ivh
option (instead of the
-Uvh
option), followed by
the
--force
option.