iSCSI boot mussings

Hi,
Now that I have my hands on a server that can boot iSCSI,
I started to look into it. After figuring out what magic is needed
in the dhcpd.conf (just add option root-path "iscsi:target-ip::::target-name")
I can boot FreeBSD to the point that it can't find a root device, and
assuming that some more magic can be applied (ala NFS), I'm just
wondering aloud, if it's realy worth the efford.
For a PXE based diskless solution, you need
1 - a working dhcpd
2 - a working tftpd
3 - a working NFS server with the exported root fs.
appplying some minor magic, you can have only one read-only fs.
For an iSCSI based diskless solution, you need
1- a working dhcpd
2- a working iscsi-initiator, unless the BIOS can be used.
3- a working target with a root fs
(one for each client, unless applying 3 from the above).
Hybrid solution:
boot via PXE, but mount root via iSCSI

So, what say you all?

danny


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