Pasi Kärkkäinen a écrit :
On Wed, Jul 22, 2009 at 11:13:06PM -0500, Chris Adams wrote:
Once upon a time, Paul Krizak <[email protected]> said:
iSCSI boot enablement != iSCSI HBA. All that will do is allow your NIC
to mount an iSCSI device as a boot drive and load the first few blocks
from it (i.e. a bootloader). When the kernel actually loads into memory
and boots, it will need to be able to do the following before it can
actually load the OS past the initrd:
1. Start up the NIC
2. Run DHCP (or set a static IP)
3. Load the iSCSI daemon
4. Initiate a connection to the iSCSI shelf which should create
/dev/<something> (I think...been a while since I did iSCSI)
5. Mount the iSCSI LUN (/dev/something) as root.
IIRC that is all handled already by the RHEL mkinitrd, and doesn't
require specialized (and usually more expensive) hardware and drivers.
Yes, RHEL supports taking care of that automatically. Also that's where iBFT
helps.
I think RHEL5 can do that automatically with iBFT, and without iBFT, but then
you have to
configure the boot iSCSI LUN settings twice - first to BIOS/NIC, and then to
RHEL (installer).
Interesting. I don't really care doing that twice...
It looks like 5.3 fully supports iBFT.
https://bugzilla.redhat.com/show_bug.cgi?id=466765
How do I know if my NICs are iBFT-capable? Is there a tutorial
somewhere with RHEL 5.3? I found this:
http://h20000.www2.hp.com/bc/docs/support/SupportManual/c00782461/c00782461.pdf,
but it looks rather complex...
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