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Old 05-01-2006, 12:40 PM   #1
neelay1
LQ Newbie
 
Registered: Dec 2004
Posts: 16

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"root=" option for SATA drives to avoid kernel panic


Hi all,
I had a SAS hard drive on a Red Hat Linux 7.3 machine and was using the kernel boot line-
kernel /vmlinuz-2.4.30-ring-pae-aac-sam ro root=/dev/sda3 vga=extended panic=60
Now, I have replaced it with a SATA hard drive. When I try to boot, I get the following error messages-
VFS: Please use a correct "root=" option
Kernel Panic: Cannot mount root partition.
Rebooting in 60 secs...

During grub boot menu, I have tried editing the boot line by replacing "sda3" with "sdb3", "sdc3", "sdd3", "hda3", "hdb3", "hdc3" and "hdd3", but it didn't solve the problem.
Is there a way for me to determine the root partition name?
I'm running a Supermicro dual core box with Western Digital "Raptor" SATA 10k rpm hard drive.

Thanks,
Neelay.
 
Old 05-01-2006, 01:18 PM   #2
Zmyrgel
Senior Member
 
Registered: Dec 2005
Location: Finland
Distribution: Slackware, CentOS, RHEL, OpenBSD
Posts: 1,006

Rep: Reputation: 36
One solution is to switch to your old hard drive and send the raptor to me

Other one would be upgrading to newer kernel. I do believe there isn't SATA support in your current kernel so it can't mount it. Hope this solves your problem. I would in the same time upgrade to newer distro too
 
  


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