On 11/19/2010 04:32 AM, Roberto Nunnari wrote:
>> 1. http://wiki.alteeve.com/files/an-cluster/ks/generic_server_rhel6.ks
> Thank you for your reply.
> Does that kickstart effectly produces a partitioning that is
> exactly the same on both disks? Because that is the problem
> I'm facing: the partitioning produced by the kickstart
> is different on the two drives.
Yup, both disks are identical layout.
> Also, why did you put /boot and swap in raid? Was it for
> obtaining identical partitioning on both drives?
> For swap, the kernel already does performance optimization
> when swap partitions are on different drives, and /boot..
> I always tended to keep /boot be as simple as possible, to avoid
> any problem during boot.. but maybe, these days with initramdisk
> there's no more need for that..
> Best regards.
Keeping the drives identical is a big part of it. Even on my 3+ disk
RAID level 5 systems, I make /boot a RAID 1 mirrored across all drives
as /boot can not be RAID5.
I mirror /boot and <swap> because if either is lost, the system dies.
Imagine if something was in swap, then swap vanished, and then the
system tried to retrieve what was in swap... Not so good. :P
The biggest concern is that, on /boot, you need to ensure that grub has
been setup on all drive's MBR. The grub shell allows you to ensure that.
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