Re: System only boots to read-only

On 10/16/13 14:10, Doll, Margaret Ann wrote:
> Sorry.   I moving between buildings.  Below is the data.
>
> df
> /dev/mapper/VolGroup00-LogVol00        34%    /
> tmpfs                     0%    /dev.shm
> /dev/sda3                45%    /boot
> /dev/sda5                92%    /home
> /dev/sdb1                 1%    /tycho-1
> /dev/sde1                37%    /raid
>
> I had to mount everything except / by hand
>
> service network start
> Bringing up loopback interface:
> Bringing up interface eth0:
> Determining IP information for eth0...Can't create
> /var/run/chclient-eth0.pid:
>              Read-only file system.
> ...
>
> fdisk /dev/sda
> p
> /dev/sda1    1    5    40131    de    Dell Utility
> /dev/sda2    6    789    6290480  c    W95 FAT32 (LBA)
> /dev/sda3    790    815     204800    83    Linux
> Parition 3 does not end on cylinder boundary.
> /dev/sda4    815    121602    970218496 5    Extended
> /dev/sda5    815      1337      4194304 83    Linux
> /dev/sda6    1338    121602    966022144 8e    Linux LVM
>
> mount /dev/sda6  /tmp
> mount:  unknown filessystem type 'LVM2_member'

Ok, the rescue doesn't seem to understand LVM2.
>
> fstab
> /dev/mapper/VolGroup-LogVol100  /        ext4
> UUID=f1fa....466        /boot    ext4
> UUID=13a6e...eb5        /home    ext4
> /dev/mapper/VolGroup00-LogVol101 swap    swap
> tmpfs
> devpts
> sysfs
> proc
>
> /dev/sdb1            /tycho-1 ext4
> /dev/sdd1            /raid    ext4
>
Ahhhh.... when you boot via rescue, or if you've brought it up manually, 
check the UUID of the drives. If they've changed, both /etc/fstab *AND* 
/boot/grub/grub.conf need to be changed.

Or you can use e2label to label the filesystem, and then change /etc/fstab to
LABEL=/boot 	/boot...
etc.

	mark

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