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Re: [Xen-API] [Xen-users] Installing XCP from USB thumb

  • To: xen-api@xxxxxxxxxxxxx
  • From: cyberhawk001@xxxxxxxxx
  • Date: Tue, 26 Jun 2012 00:06:40 -0400
  • Delivery-date: Tue, 26 Jun 2012 04:07:08 +0000
  • List-id: User and development list for XCP and XAPI <xen-api.lists.xen.org>

On 6/25/2012 9:44 PM, ray@xxxxxxxxx wrote:
I am sorry for being so dense, but I can't tell what is happening.

This is building a thumbdrive installation by using a Linux system to
construct the contents for the thumb drive?

The ISO is openned with 7-zip and three files are copied o the root of
the thumb drive.  What was it that YUMI put on the thumbdrive?

Can something similar be done from a Windows 7 system?

As for putting Windows 7 on a USB stick is very easy and simple. I have already done that a while ago and have used it several times. For that, all you have to do is download a program called WinToFlash, which you can just download the latest from here http://wintoflash.com/home/en/ and extract the program. Granted, that program only works on Windows BUT it is also in a portable state, meaning it doesn't need to be installed on a windows, just extracted and run.


  Message: 16
Date: Mon, 25 Jun 2012 15:24:08 -0500
From: Shawn Henderson<shenderson@xxxxxxxxxxxxx>
To: Ian Campbell<Ian.Campbell@xxxxxxxxxx>, Mike McClurg
Cc: "xen-users@xxxxxxxxxxxxx"<xen-users@xxxxxxxxxxxxx>, Eric
<epretorious@xxxxxxxxx>, "xen-api@xxxxxxxxxxxxx"
Subject: Re: [Xen-users] [Xen-API] Installing XCP from USB thumb
Content-Type: text/plain; charset="Windows-1252"

Here's how we did it (from my engineer):

What we did to get XCP install from a USB stick.
Step #1) Download all the things
YUMI. (I used but any version should work) -
XCP install ISO - http://www.xen.org/download/xcp/index.html
Step #2) Plug in your USB stick (the rest assumes the drive is assigned
a letter of D:)
Step #3a) Run YUMI
Step #3b) Agree to the license Agreement
Step #3c) Select D: for YUMI Step 1
Step #3d) Select the option ?Try an Unlisted ISO? for YUMI Step 2
Step #3e) Browse to the downloaded XCP ISO from step 1 and select it for
YUMI Step 3
Step #3f) Mash create and wait.

At this point it is going to bloat things a little by having the full
iso on the USB stuck but who cares right?

Step #4) Open the ISO downloaded in Step 1 using your favorite archive
program. (I use 7-zip) Copy the folders packages.main and
packages.transfer-vm to the root of d:\ and finally copy the file
XS-REPOSITORY-LIST to the root of D:\

Step #5) PROFIT?

From: xen-api-bounces@xxxxxxxxxxxxx [xen-api-bounces@xxxxxxxxxxxxx] On
Behalf Of Ian Campbell [Ian.Campbell@xxxxxxxxxx]
Sent: Friday, June 22, 2012 7:04 AM
To: Mike McClurg
Cc: xen-api@xxxxxxxxxxxxx; xen-users@xxxxxxxxxxxxx; Eric
Subject: Re: [Xen-API] [Xen-users] Installing XCP from USB thumb drive

On Fri, 2012-06-22 at 12:51 +0100, Mike McClurg wrote:
On 22/06/12 12:18, Anil Madhavapeddy wrote:
On 22 Jun 2012, at 12:12, Mike McClurg wrote:

On 22/06/12 11:59, Ian Campbell wrote:
On Fri, 2012-06-22 at 11:27 +0100, Mike McClurg wrote:
On 21/06/12 00:05, Eric wrote:
Is CD-ROM/DVD-ROM the only way to install XCP?
I'm sure you could dd the iso to a thumb drive in the same way you would
any other OS.
This depends on the iso having being created with special options though
-- is that done for XCP isos?
I have no idea, what options does an ISO need to be created with? Can
you repackage an ISO with those options?
If it still exists, packaging.hg creates the XenServer ISO with the correct
options for PXE boot. XCP probably uses the same build scripts...are they
Those scripts don't contain any license information that I can see, and
we haven't published them publicly. I'm all for making XCP easier to
build outside of Citrix, but I don't think that thrusting our build
system on the world is the right way to do it ;)

Anyway, here is the blurb that generates the iso:

mkisofs -joliet -joliet-long -r \
-b boot/isolinux/isolinux.bin -c boot/isolinux/boot.cat \
-no-emul-boot -boot-load-size 4 -boot-info-table \
-sort $(MY_OBJ_DIR)/sort.main.list \
-o $@ $(STAGING_main);

Does that look like it'll generate a thumb-drive-bootable ISO?
The scripts which create the Debian CD sets use
case "$MKISOFS" in
add_mkisofs_opt $CDDIR/../$N.mkisofs_opts "-isohybrid-mbr
add_mkisofs_opt $CDDIR/../$N.mkisofs_opts "-partition_offset 16"
which I think is related to this.

I think it is basically doing isohybrid at creation time instead of post
processing. It seems (and this corresponds with my vague memory of
seeing the discussion on debian-cd) like it needs xorriso rather than
mkisofs (which IIRC is deprecated).


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