On 1/9/14 9:17 PM, Fred Smit wrote:
I notice that Ubuntu has an installation option to install directly to an
iScsi target .
I assume this means that the intelligence to boot a kernel with the proper
bootags passed in using the default initrd.gz can be px(bootp) e booted
into a iscsi diskless environment?
I recall trying iscsi booting years ago and the amount of work /
infrastructure to get it working was overwhelming.
ps. this is powerpc platform. not Intel.
I don't know the implementation details but it is either pxe boot or
some nics and systems have mini iscsi initiators that are used instead.
They use iscsi to bring in the kernel and initrd, then the initrd runs
iscsiadm/iscsistart which reads the iscsi settings the mini initiator
used and then uses that info to create a iscsi session for the rest of
the boot process.
RHEL/OEL and SLES has supported this for a while.
Is this IBM ppc box? If so then does your system have a mini iscsi
initiator on the system? In the open firmware is there some iscsi boot
setup stuff? There is some iscsiadm/iscsistart code for some IBM ppc
boxes, where you do not need to use pxe because it has a mini iscsi
initiator. It loads the initrd and kernel and from there the iscsi tools
read the iscsi settings/target from that open firmware tree and then use
that info to do the rest of the boot.
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