Silly bootup question
Mike Burger
mburger at bubbanfriends.org
Thu Sep 30 15:53:32 UTC 2010
> Hey everyone,
> When a RHEL system is booting, in the messages you can see "Switching to
> new
> root." Can someone explain this part of the bootup process? What exactly
> is
> meant by "new root," is it simply another shell starting or what?
> -Matthew
Hi, Matthew.
When an RHEL (or any other Linux) boots, it starts up from a RAMdisk (see
/boot/initrd*), which contains enough of a filesystem grouping to boot the
system and perform initialization.
At a certain point, it goes ahead and mounts your actual root (/)
filesystem, at which point it spits out that message.
--
Mike Burger
http://www.bubbanfriends.org
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