Hi all,
I am using one NFS directory as the root file system; at first, I use
yum with "--installroot=/tmp/rootimg" option to install all the
necessary rpm packages into "/tmp/rootimg". Then, I added one simple
dracut module into the rootimg (which only output some information
indeed), and I run "chroot /tmp/rootimg dracut xxx" to generate the
"initrd.gz" file.
I updated my kernel command lines like this:
++++++++++++++++++++++++++++++++++
#netboot rhel6-ppc64-compute
timeout=5
image=xcat/netboot/rhel6/ppc64/compute/kernel
label=xcat
initrd=xcat/netboot/rhel6/ppc64/compute/initrd.gz
append="root=nfs4:192.168.11.107:/tmp/rootimg:rw ip=dhcp
rdshell rdinfo rdinitdebug"
+++++++++++++++++++++++++++++++++++
The diskless node can be booted, but with some error/warning messages
during the scripts under /etc/init.d/ are being executed. You can see
them from the following message.
++++++++++++++++++++++++++++++++++++++++++++++++++
+ exec switch_root /sysroot /sbin/init
mount: only root can do that (effective UID is -2)
Welcome to Red Hat Enterprise Linux Server
Press 'I' to enter interactive startup.
Starting udev: [ OK ]
Setting hostname ca4dsls02: [ OK ]
Setting up Logical Volume Management: No volume groups found
[ OK ]
Checking filesystems
WARNING: couldn't open /etc/fstab: No such file or directory
Checking all file systems.
[ OK ]
mount: only root can do that (effective UID is -2)
Mounting local filesystems: mount: only root can do that (effective UID is -2)
[FAILED]
chgrp: changing group of `/var/run/utmp': Invalid argument
chgrp:
changing group of `/var/log/wtmp': Invalid argument
chown: changing ownership
of `/tmp/.ICE-unix': Invalid argument
Enabling /etc/fstab swaps: swapon: /etc/fstab: open failed: No such
file or directory
[FAILED]
Entering non-interactive startup
Retrigger failed udev events[ OK ]
Starting sshd: /var/empty/sshd must be owned by root and not group or
world-writable.
[FAILED]
++++++++++++++++++++++++++++++++++++++++++++++++++++++++
So, here, I have several questions,
1) why does "mount: only root can do that (effective UID is -2)" show
here? what can I do to make it not show here?
2) "/etc/fstab" is not there, should I create one before switching
root to the NFS mountpoint?
3) "chgrp" and "chown" fails here, should I prepare the directories
myself before switching root?
Thank you!
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