I downloaded the knowledge tree appliance(Raw Filesystem
Image) from
http://www.rpath.org/rbuilder/project/knowledgetree/release?id=5774
I’ve tried various cfg file scenarios but I still get the
cannot mount
Ive been able to build my own xen file images and boot them but
I’v never been able to boot pre-made appliances.
I’ve tried hda1,sda1 etc because i’ve see others
around the net with similar problems but I’ve not been able to get it
resolved.
Error Msg:
VFS: Cannot open root device "sda1" or
unknown-block(0,0)
Please append a correct "root=" boot option
Kernel panic - not syncing: VFS: Unable to mount root fs on
unknown-block(0,0)
ConfigFile:
kernel = "/boot/vmlinuz-2.6.18-8.1.8.el5xen"
memory = 512
name = "ktree"
vif = [ '' ]
ip = "xx.xx.xx.xx"
disk = ['file:/var/lib/xen/images/KTree.img,sda1,w']
root = "/dev/sda1 ro"
vcpus=2
This is the config file generated when I created my own xen
vm but it does not work when I adapt it to work with appliances.
name = "CentOS_I386_node0"
memory = "500"
disk = [
'tap:aio:/var/lib/xen/images/CentOS_I386_node0,xvda,w', ]
vif = [ 'mac=00:16:3e:36:5b:e6, bridge=xenbr0', ]
vfb = ["type=vnc,vncunused=1"]
uuid = "4c2d6734-286f-689b-111a-e46139748a57"
bootloader="/usr/bin/pygrub"
vcpus=2
on_reboot = 'restart'
on_crash = 'restart
Brian Hammond,
Senior Programmer,IT
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