usb root FS?

Andrew Ip aip at
Sun Oct 6 03:52:01 CEST 2002


> Is it possible to use a DOC and a USB drive as the root filesystem?
> Has anyone ever attempted this?  I understand that it not be fastest
> thing in the world, but it would be neat...
Actually it is more that that.  You can even boot kernel within USB drive with
kexec.  In this case, you will use Linux in DOC as a bootloader.
1. Boot DOC's Linux
2. Mount usb drive
3. kexec kernel within USB drive

In theory, you can boot Linux system even from memory stick.  :)  For those who
are interested, I have got DOC image support kexec and you can start from there.
I only have images for PCCHIPS 758lr+/m787 and PCCHIPS 810 motherboards so far.
Comments are welcome.


Andrew Ip
Email:  aip at
Tel:    (852) 2542 2046
Fax:    (852) 2542 2036
Mobile: (852) 9201 9866

Cwlinux Limited
Unit 202B 2/F Lai Cheong Factory Building,
479-479A Castle Peak Road,
Lai Chi Kok, Kowloon,
Hong Kong.

Tel: (852)2542 2046
Fax: (852)2542 2036

For public pgp key, please obtain it from
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