[cs615asa] Need help - installboot

[Kirubakaran Kesavan]

All, 
I was able to mount my /home partition successfully.
While trying to mount the /partition, I am receiving the error 
'specified device does not match mounted device.

Please explain, what I am doing wrong?

My installboot command is failing with read-only file sytem on my 
device wd0a.  While mounting it I use the option -w to make it 
read/write, but because of above error, I am not able to install 
successfully. Please help.
Thanks,
Kiruba