David Coulson on 25 Feb 2011 12:53:20 -0800

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Re: [PLUG] Add an HDD to a diskless cluster node?

I am sure you can still modprobe.

Does not explain why two systems which boot from an identical image don't load the same kernel modules. Any ideas on that?

On 2/25/11 3:33 PM, Doug Stewart wrote:
On Fri, Feb 25, 2011 at 3:10 PM, David Coulson<david@davidcoulson.net>  wrote:
You're missing these modules. Check /etc/modules.conf or /etc/modprobe.conf
from the system that is working and compare it to a system that is not.
Maybe manually modprobe for mptsas on the box that is not working and see if
it detects the disk.

I guess I left this part out of my initial description:

These are all booting per RedHat's diskless instructions (i.e. per
This has the disadvantage of booting from a "gold" image whose changes
can be instantaneously pushed out to all clients. Modprobe won't work
in this situation, if I'm reading the tea leaves correctly.

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