boot up fails with mount root problem...

[Michael Kearey]

On Thu, 2005-05-19 at 13:07 -0400, Ben Russo wrote:
> I have a RHEL-2.1ES OS running just fine on a standard PC (with an IDE 
> disk).
> 
> I wanted to migrate that system to a new box with a SCSI disk.
> 
> I used a 3rd box running RHEL-3 to mount the new SCSI disk,
> used fdisk to create all the partitions, and mkfs.ext3 to create the 
> filesystems, e2label to label them, and then I mounted them all up
> and used rsync -avzH <oldserver>:/* .  -exclude "proc/*"
> 
> Everything seemed to work fine.
> 
> Then I chroot'd into the new filesystem
> 
> I then edited the /etc/modules.conf and added a line for the scsi 
> hostadaptor, and deleted the /etc/mtab, and edited the /etc/fstab
> and modified it appropriately.
> 
> I created new initrd files, and edited grub.conf
> 
> I put the SCSI disk in the new box, booted from RHEL-3 CD in rescue 
> mode, chrooted into /mnt/sysimage edited the /boot/grub/devices.map
> and then ran grub-install.
> 
> Rebooted off the SCSI disk.  Worked up until I get:
> 
> ...
> Partition check:
>   sda: sda1 sda2 sda3 sda4 < sda5 sda6 sda7 sda8 sda9 >
> Loading jbd module
> Journalled Block Device driver loaded
> Loading ext3 module
> Mounting /proc filesystem
> Creating root device
> Mountin root filesystem
> mount: error 19 mounting ext3
> pivotroot: pivot_root(/sysroot,/sysroot/initrd) failed: 2
> Freeing unused kernel memory: 228k freed
> Kernel panic: No init found.  Try passing init= option to kernel
> 
> I checked that /dev/sd* devices are all there, and they have the right
> perm's and ownership.  I also can boot from rescue CD and mount up all
> the filesystems as ext3 (they are clean).  I triple checked my grub.conf 
> file and devices.map and initrd stuff.  All the modules seem to have 
> loaded fine, and it can see the disk (as evidenced by the partition 
> check). I also have another box with identical hardware and I confirmed 
> that it has the same devices.map and grub.conf config...
> 
> 
> What gives?  What does this error "error 19 mounting ext3" mean then?
> 
> Thanks in advance,
> -Ben.
> 

Hi Ben.

Just a guess - is there a /initrd directory at all? It should be there.

Cheers,
Michael