On 05/08/2012 04:08 PM, Fiumara, Gregory wrote:
On 5/8/12 8:34 AM, "[email protected]"<[email protected]> wrote:Is there any way to fix the device naming, such that scsi 1:0:0:0 is sdb also when I install?You're going to be hard-pressed to have device naming be consistent. I believe the kernel under CentOS 6 probes devices depth-first rather than the older breadth-first method. You can force this back by adding the kernel boot option "pci=bfsort", and maybe that will help. I've personally had SAN devices show up as sda before, which led me to remove all unnecessary modules from the SystemImager boot kernel. Sometimes those virtual devices are virtually attached via USB. If so, you could remove USB support. You could also alter your master script to detect if the virtual drive is sda and automatically format sdb instead, but eliminating unnecessary devices is probably the better solution.
We had the same problem with SAN and decide to added the BLACKLIST option for
SALI
{{{
BLACKLIST=kernel_modules
Specify which kernel modules must be blacklisted to prevent udev from loading
them.
Specify as: BLACKLIST=module_a;module_b;module_c
}}}
In our install script we use the the /dev/ names. In the install script we set a LABEL on the disk and use this LABEL in the
/etc/fstab so we are not depended on the /dev/ names anymore.
regards -- ******************************************************************** * Bas van der Vlies e-mail: [email protected] * * SARA - Academic Computing Services Amsterdam, The Netherlands * ********************************************************************
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