On Mon, 2009-04-27 at 21:48 +0200, Marcus Moeller wrote: > Dear Phil, > ... > > Sorry Phil. I personally cannot accept this HowTo at current state. That's why I'm asking for feedback! :-) > There is also some cute documentation available in the Deployment > Guide. Yes - pointed to that in the CentOS 5 FAQ entry added about the same time as this was created. > You wrote: > 'Some controllers claim to be RAID but require Windows drivers to > function, similar to winmodems.' > > This is not true. Some controllers make use of OS functionality. This > is not dependent to Windows. OK - agree that some such controllers may have Linux drivers. Will note that. > You wrote: > 'Booting will only work from non-RAID or RAID1 partitions. RAID0 or > RAID5 will not work.' > > This is only true if you wish to have the boot partition (/boot/) > reside on a RAID parition. In this case it must be on a RAID1 > partition. That's what I thought I was saying but obviously needs some clarification if you read it differently. > Also, in your scenario it does not make much sense to split /boot and > may cause confusion, as it's not necessary on a RAID1. Agree - addressed this point in the reply to Ned. > You wrote: > 'Disable any hardware-based RAID in the motherboard or RAID controller BIOS ' > > Why that? I have some systems where I combine hardware- and softraids. > This may be the case on fakeraid controllers. OK - I know you understood what you thought I said, but what you heard was not what I meant. :-) Will change "hardware-based RAID" "to fake RAID controllers without CentOS drivers". > ...skipping...someone else could take care... > > You wrote: > After installing a new kernel, repeat Section Three. It should be > possible to apply a similar approach to a /boot on RAID1, or to a / on > RAID1 without a /boot. > > Why should someone want to use dd to mirror a / partition on an active RAID1 ? One would not. Again apparently needs clarification. That's why more eyes are better. Thanks, Phil
