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real-root-dev

Submitted by admin on Thu, 2006-06-15 20:52

This tunable exists if you have initrd support compiled in the kernel. In that case, the "real" root device can be changed from within linuxrc by writing the number of the new root filesystem device to this file, e.g.:

# echo 0x301 > /proc/sys/kernel/real-root-dev

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