Logu wrote: <snip>
Before I give a detailed answer, I have a quick question. Initrd is used by the kernel temporarily as a root filesystem and then loads certain drivers ( ex: to initialize scsi disks etc) and then pivot root it to the actual filesystem. So even though we have included the root file system inside the initrd it will not be used. This is my wild guess.
The filesystem on an initrd is a complete root file system. Some startup script on the initrd [/linuxrc on RH systems] has to explicitly mount another filesystem and do a pivot_root, if required. Tomsrtbt does not do a pivot_root, since it does not expect to mount any other filesystem.
If you want to study this further, gunzip the initrd that comes with your distro and do a "mount uncompressed_initrd /mountpoint -o loop" and study the startup scripts under mountpoint.
-- Regards, Varun Varma --------------------------------------- Mindframe Software & Services Pvt. Ltd. http://www.mindsw.com ---------------------------------------
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