Re: RAID, number of disks supported

[Andrey Borzenkov]

On Wed, Dec 26, 2012 at 12:29 PM, Chris Murphy <address@hidden> wrote:
>
> On Dec 22, 2012, at 5:37 PM, Chris Murphy <address@hidden> wrote:
>>
>> Btrfs fails at fewer disks. I just tried 6 disks and I get a grub prompt. So 
>> it looks like it's different for btrfs RAID. In this case I'm using 
>> linear/concat (data profile single).
>
> All Btrfs. grub2-2.00-13.fc18.x86_64
>
> RAID 0: 2, 3, 4 disks are bootable. Fails at disk 5 (also fails with 6 
> disks). The error message is:
>
> GRUB loading ..
> Welcome to GRUB!
>
> error: no such device: UUID.
> Entering resuce mode . . .
> grub rescue>
>
> RAID 1: 2, 3, 4, 5, 6 disks are bootable.
>
> Single/concat: 2, 3, 4, 5, 6 disks are bootable.
>
> Did not test 7 or more disks.
>

This looks more in place on grub-devel and/or grub bugzilla.