sysautomation
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Unable to Boot Centos
Hi
I received a new Dedicated Server from ovh.com yesterday. I updated the o/s using yum update and also made some changes to kernel parameters to install Oracle as mentioned at http://eduardo-lago.blogspot.com/2012/01/how-to-install-oracle-11g-database.html
When I rebooted the machine it is not coming up. The hosting company does not provide a KVM. It used to provide a Virtual KVM but for some reason it is not available today. I have contacted there support but they are saying to fix the o/s issue myself.
I can access the o/s in Rescue mode and mounted the partition then chroot <mount point>. I checked grub.conf and looks fine to me:
Is there a way that I can find without having physical access to the machine why the system is unable to boot?
I received a new Dedicated Server from ovh.com yesterday. I updated the o/s using yum update and also made some changes to kernel parameters to install Oracle as mentioned at http://eduardo-lago.blogspot.com/2012/01/how-to-install-oracle-11g-database.html
When I rebooted the machine it is not coming up. The hosting company does not provide a KVM. It used to provide a Virtual KVM but for some reason it is not available today. I have contacted there support but they are saying to fix the o/s issue myself.
I can access the o/s in Rescue mode and mounted the partition then chroot <mount point>. I checked grub.conf and looks fine to me:
[root@rescue grub]# cat grub.conf
default=0
timeout=5
title CentOS (2.6.18-348.6.1.el5)
kernel /boot/vmlinuz-2.6.18-348.6.1.el5 root=/dev/sda1 ro
root (hd0,0)
initrd /boot/initrd-2.6.18-348.6.1.el5.img
title linux centos5_64
kernel /boot/bzImage-3.8.13-xxxx-grs-ipv6-64 root=/dev/sda1 ro
root (hd0,0)
[root@rescue grub]# ll /boot/vmlinuz-2.6.18-348.6.1.el5
-rw-r--r-- 1 root root 2126172 May 21 16:00 /boot/vmlinuz-2.6.18-348.6.1.el5
[root@rescue grub]# ll /boot/initrd-2.6.18-348.6.1.el5.img
-rw------- 1 root root 3629129 Jun 24 14:31 /boot/initrd-2.6.18-348.6.1.el5.img
Is there a way that I can find without having physical access to the machine why the system is unable to boot?
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Try to reinstall the Kernel and chnage entry in grub.conf if its works it will be great else there might be some conflicts between hardware Raid and this kernel need to check what changes required in Sysctl.conf for this :)
Is your boot device on a md software raid device?
When the bot fails with the new kernel, what is the message?
When the bot fails with the new kernel, what is the message?
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I am using vmlinuz-2.6.18-348.6.1.el5