How to rebuild the kernel for the network install

[JD]

On 09/28/2011 01:03 PM, Bruno Wolff III wrote:
> On Wed, Sep 28, 2011 at 11:41:22 -0600,
>    Pete Travis<me at petetravis.com>  wrote:
>> Bash will expand $(inane -r) for you - you can pass it any kernel you have
>> headers installed for.
>>
>> I wanted to jump in to suggest you reconsider motherboard driven fakeraid.
>> The mainboard becomes a single point of failure, and replacing it or
>> migrating the array can be problematic, especially with different chipset
>> revisions or BIOS versions.
>>
>> I recommend you set up a mdadm array.  Drivers are in the kernel,
>> documentation is profuse, and management is fairly simple once you get the
>> hang of it. The graphical installer can even do it for you.  Use the array
>> for /home and possibly /etc and /var, and keep your root filesystem separate
>> from your important data.
> There is a downside to using mdadm over fake raid and that is that you
> can hit a bottleneck with the PCI bus as the data needs to be sent to
> each disk drive that needs a copy of the data (or parity info) instead of
> just once to the controller. Typically this will be twice as much data.
>
> That said, I use mdadm. I have done such things as drop one side of my
> raid 1 mirrors, repartition that drive, set up new mirrors with encrypted
> file systems, and copy over file system data, repartion the other disk,
> add those partitions to the new mirrors.
That's good info for anyone considering mdadm.

What if the underlying bus is 32 bit pci-e?
would than not help with the throughput so
that "twice" the data output does not slow
your down that much?
Of course it would still be considerably slower
than having a 32-bit pci-e raid controller.