[App_rpt-users] ACID Boot Error Help Request

Scott Weis kb2ear at kb2ear.net
Fri Feb 3 12:02:45 EST 2012


Try this first..

 

1.	Boot from CentOS installation disc (for example, CD #1 or DVD). 
2.	For CentOS-4 or CentOS-5 type "linux rescue" at the "boot:" prompt.
For CentOS-6 pick "Rescue installed system" from the boot menu. 
3.	Mount all filesystems in read-write mode. 
4.	Change root to real root ('/') on your hard disk:

5.  # chroot /mnt/sysimage

6.	Re-install bootstrap code (GRUB). 

*	If you wish to re-install GRUB to the MBR on a SCSI or SATA disk
(/dev/sda):

o    # grub-install /dev/sda

*	If you wish to re-install GRUB to the PBR of Partition #2 on a SCSI
or SATA disk (/dev/sda2):

o    # grub-install /dev/sda2

*	If you wish to re-install GRUB to the MBR on an IDE disk (/dev/hda):

o    # grub-install /dev/hda

 

 

From: app_rpt-users-bounces at ohnosec.org
[mailto:app_rpt-users-bounces at ohnosec.org] On Behalf Of John (WB5NFC)
Sent: Friday, February 03, 2012 11:21 AM
To: app_rpt list
Subject: [App_rpt-users] ACID Boot Error Help Request

 

My trusty Acid server bit the dust last week. This is full-size Dell with
plenty of horsepower and a quad radio interface, not my BeagleBoard.

 

The computer goes through POST with no errors reported, then:

 

grub loading stage 2

GNU grub V0.97

[Minimal BASH-like line editing supported. 

 

I think this happened after a brief power outage, but I'm not sure. Just
just noticed the nodes were down and then found a computer that would not
reboot. 

 

Suggestions for troubleshooting, please?

 

John / WB5NFC

 

 

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