On 4/27/2011 3:30 PM, Michael Brown wrote:
It is now possible to use iPXE to directly boot from an ISO image held on a
SAN target (e.g. AoE, iSCSI, FCoE). This has the same limitations as using
memdisk to boot an ISO image, but without the memory overhead or initial
download delay of memdisk.
There's no special syntax: just make the ISO image available on the SAN target
and then attempt to boot from it (using "sanboot" or with a DHCP root-path).
For example:
(on server) vblade 0 0 eth0 /path/to/winpe.iso
(on iPXE) sanboot aoe:e0.0
I have tested that WinPE and the VMware installer are able to start using this
method. I'd appreciate any further testing.
Michael
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---oops replied to Michael and not list.. ---
Hrm no joy here. If I am to understand correctly, this doesn't need
anything special done to the iso image, and any image memdisk iso is
able to boot, this should as well?
Using vblade 20 on FreeBSD 8.2:
andrew@scrappy:# vblade 1 1 em0 ACTIVE-BOOT-DISK.ISO
ioctl returned -1
124221440 bytes
pid 62690: e1.1, 242620 sectors O_RDWR
I did a git pull after this email, gmake clean / gmake
boot the iso / CTRL-B to break to a prompt:
ifopen net0
sanboot aoe:e1.1
(note, I tried e1.1 after e0.0 didn't work because I didn't remember to
ifopen net0)
Loading a winpe 1.0 image fails with:
SETUPLDR: Couldn't open drive multi(0)disk(0)rdisk(0)partition(1)
Loading a winpe 3.0 image fails with:
Windows Boot Manager
Windows failed to start. ...
File: \Boot\BCD
Status: 0xc000000e
Info: An error occurred while attempting to read the boot configuration
data.
I tried multiple images, including the image from here:
http://www.ntfs.com/boot-disk.htm
and lastly chose to try a known working with memdisk iso file, mfsbsd:
http://mfsbsd.vx.sk/iso/mfsbsd-8.2-i386.iso
All attempts were on Vmware Workstation 7.1.4, configured initially with
512mb of ram, and then again tested with 1gb.
----
actually while trying to figure out what git revision I was on, I pulled
in another change to one of the files, and that seems to have fixed the
mfsbsd iso mentioned above.. Windows isos still don't seem to be happy
though.
What else can I provide to help figure this out?
-A
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