Server down, unable to mount root, kernel panic
I'm receiving the following error on a server:
VFS: Unable to mount root fs on unknown wn-block (0,0)
Ubuntu 10.04LTS, 64-bit, on a Dell PowerEdge server. Two drives, mirrored RAID through the hardware, and Ubuntu installed as an LVM.
I've been doing some troubleshooting, including attempting a boot repair with the Ubuntu Secure CD, and haven't had much luck. The boot repair generated the following information about my drive setup, etc:
www-root shows up as an unknown file system. I have been able to get at the files with no problems through the live/boot CD, and I've scp'd off what I needed to keep from this server. I'm hoping I can get this back up and running, though.
Any suggestions would be greatly appreciated!
Hello MikeOliveriRB, welcome to LQ,
You should with a live-CD take a look at
If you use a generic kernel and an initrd, you'll probably have to rebuild the initrd.
Using the Ubuntu Secure boot CD, I ran lspci but it didn't produce any results when using grep for sata.
I did find the RAID controller listed, which says it is using the kernel module mptsas.
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