On 11/19/12 8:04 PM, Tru Huynh wrote:
>> So to summarize:
>> * boot using liveCD -> OK, logging in fine
>> * boot using rsync of master node's system -> OK, cant log in
> SElinux is probably on the way, did you relabel?
Interesting. Since I am familiar with debian-based distros, these
selinux is total headage for me :). No, I did not relabel.
>> * boot using rsync of client node's sytem -> cant boot
> you need to build/setup the boot from nfs on yur diskless clients.
> - do you have dracut-network installed (required for nfs booting)
Yes. I got initramfs-<version> by using dracut
> - pass the nfsroot flags to your client
> something like root=nfs:master:/nfsroot/c6 rw
Yes:
# cat /var/lib/tftpboot/pxelinux.cfg/default
DEFAULT 0
TIMEOUT 3
PROMPT 0
ONTIMEOUT 0
MENU TITLE PXE Boot Menu
LABEL 0
MENU LABEL Scientific Linux 6.3 Local
LOCALBOOT 0
LABEL 1
MENU LABEL Scientific Linux 6.3 Server
KERNEL vmlinuz-2.6.32-279.14.1.el6.x86_64
APPEND initrd=initramfs-2.6.32-279.14.1.el6.x86_64.img
root=nfs:192.168.200.1:/diskless/hostroot rw
LABEL 2
MENU LABEL Scientific Linux 6.3 Client
KERNEL vmlinuz-2.6.32-279.5.1.el6.x86_64
APPEND initrd=initramfs-2.6.32-279.5.1.el6.x86_64.img
root=nfs:192.168.200.1:/diskless/client rw selinux=0
LABEL 3
MENU LABEL Scientific Linux 6.3 LiveCD
KERNEL vmlinuz0
APPEND rootflags=loop initrd=initrd0.img
root=live:/SL-63-x86_64-2012-08-24-LiveCD.iso rootfstype=auto ro liveimg
quiet rhgb rd_NO_LUKS rd_NO_MD rd_NO_DM
> - fix /etc/fstab for /
Yes i did.
# cat /diskless/clientroot/etc/fstab
#
# /etc/fstab
# Created by anaconda on Mon Nov 19 09:59:09 2012
#
# Accessible filesystems, by reference, are maintained under '/dev/disk'
# See man pages fstab(5), findfs(8), mount(8) and/or blkid(8) for more info
#
#UUID=dcf21643-586d-4114-9060-c69e2c5e75ad / ext4 defaults 1 1
#UUID=44a7a645-4f07-4c83-9f90-0bc5f0612319 swap swap defaults 0 0
none /tmp tmpfs defaults 0 0
none /dev/shm tmpfs defaults 0 0
none /dev/pts devpts gid=5,mode=620 0 0
sysfs /sys sysfs defaults 0 0
proc /proc proc defaults 0 0
> - fix /etc/sysconfig/network-scripts/ifcfg-eth0
> ONBOOT=no # since you already have network
Do I have to do this? Basicall on client nodes, I left it dhcp'ed using
NetworkManager, so no ifcfg-eth0:
# ls /diskless/clientroot/etc/sysconfig/network-scripts/
ifcfg-lo ifdown-eth ifdown-isdn ifdown-routes ifup ifup-eth
ifup-isdn ifup-post ifup-sit init.ipv6-global network-functions-ipv6
ifdown ifdown-ippp ifdown-post ifdown-sit ifup-aliases
ifup-ippp ifup-plip ifup-ppp ifup-tunnel net.hotplug
ifdown-bnep ifdown-ipv6 ifdown-ppp ifdown-tunnel ifup-bnep
ifup-ipv6 ifup-plusb ifup-routes ifup-wireless network-functions
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