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SubjectRe: Raid 1/upgrade to 2.2.16
One thing is that Redhat patches their kernels so the stock kernels
willnot work with the tools that redhat ships.

another problem appears to be the fact that your new kernel is attempting
to load the modules created for the old kernel.

I can't tell you the redhat way of doing a kernel upgrade (things like
this are one of the resons I don't use redhat) but if you are useing the
stock kernel you will need to first apply the raid-0.9x patches (I don't
have the location handy, it is in the recent archive if they are available
somewhere) and for the modules issue, when you compile a new kernel you
will need to do a 'make modules' and 'make modules_install' unless you
configure the kernel include everything you need for your server and not
use modules.

David Lang


On Tue, 29 Aug 2000, Kevin Jones wrote:

> Date: Tue, 29 Aug 2000 15:09:01 -0600
> From: Kevin Jones <kevin.jones@shaw.ca>
> To: "'linux-kernel@vger.kernel.org'" <linux-kernel@vger.kernel.org>,
> "'linux-scsi@vger.kernel.org'" <linux-scsi@vger.kernel.org>,
> "'linux-raid@vger.kernel.org'" <linux-raid@vger.kernel.org>
> Subject: Raid 1/upgrade to 2.2.16
>
> Installed Redhat 6.2. Set up 6 md's as Raid 1 during installation going
> across two 9 gig scsi drives. Installation went perfectly. Decided to
> upgrade to 2.2.16. Went through the regular steps to installing a kernel.
> Included the Raid 1 support, SCSI support, and initrd support in xconfig.
> Made the 2.2.16 kernel as "newlinux" in lilo. Copied initrd-2.2.14-5.0.img
> to init-2.2.16.0.img for the ramdisk. Relinked System.map to the System.map
> made by the make dep. Relinked Linux in /usr/src to the new kernel area.
>
> Now, all that being said, when I boot up the newlinux in lilo, I get this:
>
> <cut>
> Loading ncr53c8xx module
> /lib/ncr53c8xx.o: kernel-module version mismatch
> /lib/ncr53c8xx.o was compiled for kernel version 2.2.14-5.0
> while this kernel version is 2.2.16.
>
> Loading raid1 module
> /lib/raid1.o: kernel-module version mismatch
> /lib/raid1.o was compiled for kernel version 2.2.14-5.0
> while this kernel version is 2.2.16.
>
> Opps! Unable to load md0
> KERNEL PANIC: Unable to load root filesystem at 09:00
> <end cut>
>
> I have tried a few things to "attempt" and patch the raid and scsi drivers,
> but nothing seems to work. Have a missed a step somewhere or are there new
> drivers/patches I should be looking for? I have tried installing
> raidtools-19990824-0.90, but to no avail.
>
> The Software-Raid-HOWTO does explain somethings, however it is based upon
> making the raid from scratch once you are logged into the system on regular
> sdaX or hdaX partitions. Do I have to set raid up in this manner in order to
> get this working?
>
> Sorry for posting this to 3 different mailing lists, but this seems to
> relate to all three.
>
> \\|//
> (o^o)
> +-+-+-+-+-+-+-+-oOOo-(_)-oOOo-+-+-+-+-+--+-+
> Kevin C Jones
> System Administrator - NOC (Engineering)
> Shaw Cablesystems G.P. kevin.jones@shaw.ca
> Voice:(403)303-4812 Fax:(403)750-4504
> +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
> -
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