[Xen-users] Boot XCP from USB Stick - Anybody already did it - How might this be done ?

[Andreas Balg <a.balg@xxxxxxxx>]

Hello everybody,

we'd like to install and boot the XCP (1.6) Hypervisor from a USB-Stick 
- Why? We'd like to migrate from a couple of ESXi-Servers  -which are in 
fact IBM-Blades sold with the ESX integrated. Those are installed on 2GB 
USB-Sticks as well that are installed inside the blades.
So far I've been able to find some industrial grade USB-Sticks of 
4Gb/8Gb that are specified to operate at temperatures up to 85°C (inside 
a blade server) and are built using SLC-flash. Those are specified at 
MTBF of 5.000.000 hours of operation without the usual wear of flash 
cells - even at high I/O rates. So this should easily be very good for 
reliable dom0 operation. DomUs are planned to be kept on FC-SAN - But I 
absolutely do not want to boot from there
Why not install it on some small HDD? - those purpose built IBM 
Blade-Servers have no internal connectors for sas or sata disks but are 
already installed at that customer site
Anybody been able to compile usb-drivers for the installer or a kernel 
with built in drivers for USB or create a bootable image to be copied 
directly to a stick?
Any ideas of how to get this started ? Anybody did it before?

Cheers
Andreas Balg

Am 13.12.2011 21:35, schrieb Jonathan Tripathy:
> Hi Everyone,
>
> I'm currently mulling over the idea of running our Dom0 on a USB flash 
> disk. Currently, we have the Dom0 and DomU running of the same disk 
> array. I'd like to know the list's opinion on doing this. It seems 
> like a very nice idea to split the single critical Dom0 and the tens 
> of DomUs.
> I'd like to stop the DomUs from affecting the disk IOPS available for 
> the Dom0 as I'm sure you'll appreciate the critical nature of the it.
> Any opinions are very much appreciated
>
> Thanks
>
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