Re: Booting problem with XP / DOS

Ixcoatl Perez <[email protected]> Sun, 30 Aug 2009 18:48:37 -0700 (PDT)

Newsgroups	gmane.network.etherboot.user
Message-ID	<[email protected]>

Hi,

Well, I have installed XP in a real computer with all the iSCSI software on it, network and even firefox. Then I extracted an image of the disk and tried to boot it. No luck, but this time the computer starts beeping a few seconds after the "Booting from BIOS drive 0x80" message shows.

Then I realized that the real disk was connected to the server and tried the following ietd.conf configuration:

Target iqn.2009-09.winxp01:iscsiboot
Lun 0 Path=/dev/sdd,Type=fileio

(Note that I intentionaly changed the 'winxp01' from the 'winxp1' on my later post, and that change was also reflected in the dhcp config file)
And got exactly the same result, so I guess that the image/disk portion is ok.

Asumming that the DHCP portion is also fine, my first conclusion was that the iSCSI system was the one to blame.

I have compiled and installed the latest version of iSCSI target available form here:

http://developer.berlios.de/svn/?group_id=5404

But no luck, just the exact same result.

To prove that the iSCSI system was broken I put the M$ software on my laptop and tried to access the shared drive, to my surprise everytnig worked JUST FINE! So, I guess that my configuration is the broken part and Im the only one to blame. :S

So here it is again, I dont have a DNS in my network so all my computers are known only by their IPs:

ietd.conf:

Target iqn.2009-09.winxp01:iscsiboot
Lun 0 Path=/dev/sdd,Type=fileio

dhcpd.conf:

subnet 192.168.1.0 netmask 255.255.255.0
{
range 192.168.1.30 192.168.1.50;
option subnet-mask 255.255.255.0;
option routers 192.168.1.254;
# filename "http://192.168.1.4:8080/boot/partWinXP";
filename "";
option root-path "iscsi:192.168.1.4::::iqn.2009-09.winxp01:iscsiboot";
default-lease-time 600;
max-lease-time 7200;
}

The most suspicious part to me is:
option root-path "iscsi:192.168.1.4::::iqn.2009-09.winxp01:iscsiboot";

Do you see anyting wrong on it?

By the way, is there a way to check what is the iscsi-target server doing? I was unable to find any logs, except some entries at the messages and kernel files with stuff like this:

Aug 30 19:53:04 topi kernel: [ 4483.104866] iSCSI Enterprise Target Software - version 0.4.17
Aug 30 19:53:04 topi kernel: [ 4483.104944] iscsi_trgt: Registered io type fileio
Aug 30 19:53:04 topi kernel: [ 4483.104946] iscsi_trgt: Registered io type blockio
Aug 30 19:53:04 topi kernel: [ 4483.104948] iscsi_trgt: Registered io type nullio

Do you have any ideas?

Thank you and best regards!

________________________________
De: "Miller, Shao" <[email protected]>
Para: Ixcoatl Perez <[email protected]>
CC: [email protected]
Enviado: domingo, 30 de agosto, 2009 11:24:50
Asunto: Re: [Etherboot-discuss] Booting problem with XP / DOS

Good day Ixcoatl Perez,

Concerning your process for SAN-booting Windows XP:

You should be installing Windows XP on the actual target hardware that
will be SAN-booting. QEmu has different hardware (including different
NIC) than your real hardware, so three things could potentially prevent
the OS from fully booting: HAL, kernel, NIC. The symptom of this would
be a "Blue Screen of Death" with number 0x0000007B.

You would be better off installing to the actual target hardware. If
you have multiple model types, you will be better off installing to each
one and having an "image" for each model-type.

HOWEVER, it doesn't appear that you have gotten that far. Your initial
SAN-boot seems to fail. Some things to think about: Does the SAN have
an MBR (with boot-code and partition table and an active partition)?
Did you copy the whole disk (correct) or just the partition (incorrect)?
Are you able to attach to this SAN from some other running OS on the
same network and take a look at the disk?

DOS certainly does not require a driver. INT 0x13 is hooked. A guess
would be that you copied the partition, instead of the disk, or that
QEmu disk geometry is somehow messing things up.

Good luck!

- Shao Miller

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