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Old 10th August 2010, 01:08
Polk Polk is offline
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Default Centos 5.5 on Hyper-V R2

Hi everyone,

I have installed Centos 5.5 on Hyper-V R2 machine and all worked well.
Then I installed integrated services and it did changes to kernel.
This article needs to be updated, but at least it directed me into right path:
http://www.howtoforge.com/installing...ts-on-centos-5

then I installed "Perfect server"
following this:
http://www.howtoforge.com/perfect-se...64-ispconfig-3

yum update upgraded my kernel and it seems to change kernel.
after that I was not able to load server and was getting error:

Code:
Mounting root filesystem.
mount: could not find filesystem '/dev/root'
Setting up other filesystems.
Setting up new root fs
setuproot: moving /dev failed: No such file or directory
no fstab.sys, mounting internal defaults 
setuproot: error mounting /proc: No such file or directory
setuproot: error mounting /sys: No such file or directory
Switching to new root and running init.
unmounting old /dev
unmounting old /proc
unmounting old /sys 
switchroot: mount failed: No such file or directory
Booting has failed.
I found this article:
http://www.virtuatopia.com/index.php..._error_message.

The article above says how to fix this issue on Xen, but I'm running Hyper-V.

Question:
Can anyone help and give step by step guide like that but that fixes kernel on Hyper-V?

Thank you.

Last edited by Polk; 10th August 2010 at 03:16.
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Old 5th November 2010, 03:00
conan23 conan23 is offline
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Default Centos 5.5 on Hyper-V R2

Hi,

Try first uninstall integrated services, than from /boot/grub/menu.lst remove noprobe entries (ex. hda=noprobe, hdb=noprobe). This should be enough to start centos with new kernel.

To uninstall integrated services go into directory from which you did make, make install and type: make uninstall.

Good luck
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Old 5th November 2010, 05:31
Polk Polk is offline
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Default

Actually, I was able to fix it by editing the hyper-v drivers and installing them to the kernel that is not running at the moment. This way, next time I load to new kernel, the drivers already applied.

thanks for your message.
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