[CentOS] LVM VG disappears after kernel upgrade on 5.1
Ted Miller
tedjeanmiller at sbcglobal.net
Sat Mar 8 04:55:35 UTC 2008
Amos Shapira wrote:
> On Fri, Mar 7, 2008 at 5:07 PM, Ted Miller <tedjeanmiller at sbcglobal.net> wrote:
>> I finally got 5.1 to boot after install (install couldn't keep the disk IDs
>> from getting crossed up, so at reboot partitions were not where install
>> said they would be).
>>
>> I needed to compile vmware and nvidia modules, but decided to upgrade
>> first. Told yumex to upgrade everything.
>>
>> When I went to reboot the VG with / on it is not seen by the kernel. (root
>> partition is LVM on top of RAID 1). If I go back to the old kernel
>> everything boots fine. On the new kernel only the VG on sdc is seen by LVM.
>>
>> 1. How do I persuade the new kernel to notice the VG with my root partition
>> on it.
>
> Not sure this is related but I suppose a "vgscan" wouldn't hurt, would it?
Kind of hard to do a vgscan when a kernel panic occurs after about 20 lines
of boot messages. As soon as it tries to pivot mount the root directory I
get a kernel panic, because the root partition is on the VG it doesn't see.
Ted Miller
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