[arch-dev-public] Changing raid/raid-partitions initcpio hooks

Aaron Griffin aaronmgriffin at gmail.com
Wed Feb 18 17:34:02 EST 2009

On Wed, Feb 18, 2009 at 3:55 PM, Tobias Powalowski <t.powa at gmx.de> wrote:
>> Haven't thought too hard on this, but a couple of points:
>> klibc should have basic raid assembly functionality built it. I was
>> under the impression it worked for basic cases. If this is still true
>> then we shouldn't replace it, but make sure people are aware the klibc
>> one is real basic and the mdadm one is more indepth.
> One real problem with basic raid hook i experienced is, if one device fails
> and you reboot, it will break during mouting root fs. mdassemble from kinit
> doesn't like missing devices, you need to remove them from boot command line.
> mdadm is really more tolerable on this.
>> The sample code with all those nested calls is real ugly and hard to
>> read - readability is always preferred if other people are going to be
>> looking at / fixing / working with the code. It'd be nice to break
>> that into more lines so that it's easier to understand
> Okay i try to make it more clean, problem here is the restricted environment,
> You need to crack down every md=0,/dev/xyz,/dev/abc
> to ARRAY /dev/md0 devices=/dev/xyz,/dev/abc
> I think replace is the only program we have there to do it.

Yeah, I just meant something like
devices=$(replace ......)
echo "ARRAY $foo $bar $devices" or whatever would be far easier to read

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