[CentOS] software raid :: kernel update procedure

Lucian @ lastdot.org lucian at lastdot.org
Wed Nov 11 13:16:48 UTC 2009


On Wed, Nov 11, 2009 at 11:50 AM, Adrian Sevcenco
<Adrian.Sevcenco at cern.ch> wrote:
> Lucian @ lastdot.org wrote:
>> On Wed, Nov 11, 2009 at 11:03 AM, Adrian Sevcenco
>> <Adrian.Sevcenco at cern.ch> wrote:
>>> Hi! I have an software raid installation (md_dX type) and i am wondering
>>> what is the procedure for kernel update... is the initrd auto-magicaly
>>> rebuild?
>>>
>>> Thank you,
>>> Adrian
>>>
>>>
>>
>> Yep, as long as you are using the stock kernels, you should be safe. I
>> use linux raid a lot and haven't had a problem. Just yum update and
>> you're ready to go (if you upgrade from/to minor version be sure to
>> read the release notes and erratas).
> Thanks! Yes i am using the stock kernels and i asked because i use an
> modified mkinitrd (for raid md_dX type suport) and wanted to be sure
> that initrd is rebuilt at kernel update time.
>
> Thanks,
> Adrian
>
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Ouch, the fact that you were using a modified initrd was not obvious
to me from your 1st post.
I dont know if centos does this automatically for you. Maybe it's
safer to create a new mkinitrd after the kernel has installed.


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