2009/10/16 薛正华 <[email protected]>:
> I put busybox into a initrd.img (ram disk). After linux kernel starts,
> it switches root file system to that of initrd.img, and it works well. Now,
> I want to switch root file system to NFS, and I used the following busybox
> command in the initrd enviroment.
>
> "exec switch_root /mnt /sbin/init ",
>
> But it prompted usage information of switch_root, and did not execute the
> command.
This usage information says why it can fail to work, did you read it? -
Usage: switch_root [-c /dev/console] NEW_ROOT NEW_INIT [ARGS]
Free initramfs and switch to another root fs:
chroot to NEW_ROOT, delete all in /, move NEW_ROOT to /,
execute NEW_INIT. PID must be 1. NEW_ROOT must be a mountpoint.
Options:
-c DEV Reopen stdio to DEV after switch
--
vda
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