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Old 10-10-2011, 05:13 PM   #1
Promo_Sam
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Registered: Oct 2011
Location: Orlando
Distribution: RHEL
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Won't mount /dev/root on /sysroot during boot...


Hey Guys,

First time posting here so be gentle. I'm very very new when it comes to linux but I'm handy with google so normally I can weasel my way out of any issue I run into. I've been working on this problem all day and I haven't been able to come up with a solution, so I figured I'd leave it to the professionals to solve. Here's my problem:

Quote:
Reading all physical volumes. This may take a while...0
Found volume group "VolGroup_ID_1176" using metadata type lvm2
3 logical volume(s) in volume group "VolGroup_ID_1176" now active
mount: error mounting/dev/root on /sysroot as ext3: Device or resource busy
setuproot: moving /dev failed: No such file or directory
setuproot: error mounting /proc: No such file or directory
setuproot: error mounting /sys: No such file or directory
switchroot: mount failed: No such file or directory
Kernel panic - not syncing: Attempted to kill init!
Let me know which other files you need to see in order to get a better grasp on the configuration of my system. Like I said before, super noob here.

Thanks!

-Sam
 
Old 10-10-2011, 08:38 PM   #2
AuroraZero
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Registered: Oct 2009
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What distro? What's the setup? Did you setup the drives before the install or let the setup program do it for you?
 
Old 10-11-2011, 09:35 AM   #3
Promo_Sam
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I'm using RHEL 5.2 (64 bit) and I just converted the physical machine to a vmware server (ESXi 5.0) using the standalone converter (5.0).

Edit:
And my kernel is 2.6.18-274.

Last edited by Promo_Sam; 10-11-2011 at 09:41 AM.
 
Old 10-11-2011, 12:56 PM   #4
AuroraZero
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Something is definitely wrong when the conversion happened. Almost like the hard drive have gotten corrupted some how.Can you look at your fstab?
 
Old 10-11-2011, 01:29 PM   #5
Promo_Sam
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I most certainly can. In linux rescue, here is the fstab:

Quote:
/dev/VolGroup_ID_1176/LogVol1 / ext3 defaults 1 1
LABEL=/boot /boot ext3 defaults 1 2
devpts /dev/pts devpts gid=5,mode=620 0 0
tmpfs /dev/shm tmpfs defaults 0 0
proc /proc proc defaults 0 0
sysfs /sys sysfs defaults 0 0
/dev/VolGroup_ID_1176/LogVol0 swap swap defaults 0 0
/dev/VolGroup_ID_1176/tmp /tmp ext3 defaults 1 2
Thank you for your help, I really am utterly lost.
 
Old 10-11-2011, 03:06 PM   #6
AuroraZero
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Did you happen to change the boot volume name? Try booting with the cd and select boot from hard drive. See if it boots then. If it does you need to recompile and new kernel and install it. What kernel is it using?
 
Old 10-11-2011, 03:42 PM   #7
Promo_Sam
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Quote:
Originally Posted by AuroraZero View Post
Did you happen to change the boot volume name?
I didn't change the boot volume name, but the converter changed the configuration automatically so /boot is located on sda1 and / is on sdb1. On the old physical machine the configuration was one device (sda) with /boot on sda3. Willing to bet this is where the problem lies, either this or the LVM config.

Quote:
Originally Posted by AuroraZero View Post
Try booting with the cd and select boot from hard drive. See if it boots then.
You'll have to be a bit more specific, how do I boot from the hard drive after booting from the cd?

Quote:
Originally Posted by AuroraZero View Post
If it does you need to recompile and new kernel and install it. What kernel is it using?
Kernel 2.6.18-274.3.1.el5

Thanks again!
 
Old 10-11-2011, 04:26 PM   #8
AuroraZero
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Should be an option when the disc runs to boot from HD instead of the Disc. If the program did not change the boot volume correctly there is the problem. The machine is using the /boot on /dev/sda3 to boot the machine and when it tries to mount on that drive it can't because you are using it to boot off. That is why you are getting the error device or resource busy because it is using it to boot from.

I am not the most familiar with the LVM config but I would assume you could change the mount point for /sysroot from someplace within its config options. I would change the mount point to /dev/sdb and see if it will mount the volume there and continue to boot or create a new partition to mount /sysroot only into.
 
Old 10-12-2011, 06:07 PM   #9
Promo_Sam
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Location: Orlando
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FIXED!

For those of you who were in the same situation as I was.... I'll post my solution.

The BIGGEST thing to pay attention to, in the VMware standalone converter (v5.0) make sure you convert the / hard drive as a BASIC DRIVE, not an LVM.

After that I followed the instructions here to reset grub.conf and redo the initrd.

I hope this helps anyone who was in my situation, I would have LOVED to find this thread during my search for answers.

-Sam
 
Old 10-12-2011, 06:55 PM   #10
AuroraZero
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Awesome man glad you got it fixed.
 
Old 10-12-2011, 07:38 PM   #11
Promo_Sam
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Registered: Oct 2011
Location: Orlando
Distribution: RHEL
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Thank you for your help sir, it is much appreciated.
 
Old 10-12-2011, 07:39 PM   #12
AuroraZero
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You are most welcome
 
  


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