Multiple iSCSI targets during kickstart for root multipath

[email protected]
Newsgroups gmane.linux.redhat.kickstart.general
Message-ID <OF5F4110FA.8F00B970-ON852578F8.005032B2-852578F8.005031F3@symcor.com>
Hello,

I was curious if you can define multiple iscsi targets / iqn's in a 
kickstart?

I have two iSCSI target portals with clustered access to a hosts root disk 
for HA and would like to have the installer see both iqn's and 
setup/install on the multipath abstraction.

                      ---- Portal A ----
                     |                  |
[bare metal client] -                    - Shard Storage (SAN)   
                     |                  |
                      ---- Portal B ----

Portal A
(10.10.10.10:3260,iqn.1970-01.com.example:netclient.rootdisk)

Portal B
(10.10.20.20:3260,iqn.1970-01.com.example:netclient.rootdisk)


Can I just go:

iscsiname iqn.1970-01.com.example.portal-a:netclient.rootdisk
iscsi --ipaddr=10.10.10.10 --port=3260
iscsiname iqn.1970-01.com.example.portal-b:netclient.rootdisk
iscsi --ipaddr=10.10.20.20 --port=3260

Then boot the machine with the mpath option to detect the multi iscsi path 
for installation ?

I did some experimentation and determined that you can pass dracut 
multiple netroot's so the disks are visible when the kernel loads up.

Eg.

default=0
timeout=5
splashimage=(hd0,0)/grub/splash.xpm.gz
hiddenmenu
title Red Hat Enterprise Linux (2.6.32-131.0.15.el6.x86_64)
        root (hd0,0)
        kernel /vmlinuz-2.6.32-131.0.15.el6.x86_64 ro 
root=/dev/mapper/vg00-root_fs 
netroot=iscsi:neclient-root:[email protected]::3260::iqn.1970-01.lab.example.portal-a:netclient-0.root 
iscs
i_initiator=iqn.1970-01.lab.example.portal-a:netclient-0.root 
netroot=iscsi:neclient-root:iscsipw
@10.10.20.20::3260::iqn.1970-01.lab.example.portal-b:netclient-0.root 
iscsi_initiator=iqn.1970-0
1.lab.example.portal-b:netclient-0.root 
ip=10.125.71.249::10.125.71.34:255.255.255.0:test-template:eth0:none ifnam
e=eth0:00:1a:4a:7d:47:02 rd_LVM_LV=vg00/root_fs rd_NO_LUKS rd_NO_MD 
rd_NO_DM LANG=en_US.UTF-8 SYSFONT=latarcyrheb-
sun16 KEYBOARDTYPE=pc KEYTABLE=us crashkernel=auto vga=771
        initrd /initramfs-2.6.32-131.0.15.el6.x86_64.img


Cheers,
--

Greg Procunier
UNIX Administrator III - Enterprise Servers and Storage
1 Robert Speck Parkway, Suite 400, Mississauga, Ontario L4Z 4E7
Office: 416-673-3320 
Mobile: 647-895-2977
Email: [email protected]



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