BIOS boot partition, 4x3TB disks, and raid, problems with anaconda

Chris Murphy lists at colorremedies.com
Sun Aug 31 18:51:14 UTC 2014


On Aug 28, 2014, at 11:48 AM, Lars E. Pettersson <lars at homer.se> wrote:

> Hi!
> 
> I tried to set up a system using four 3TB disks as a raid6. The disks are new, no old partitions laying around. I used a USB stick as install media (Fedora 20 x86_64 Gnome Live).
> 
> I chose manual partitioning to get everything as I wanted. When this was ready I got the error message that I also needed a BIOS boot partition (I gather that this due to being rather large disks). I tried to create one of those, but it seemed to only be created on one of the discs in the raid array, I wanted it created on all disks, just as the raid partitions. This to be able to boot from any of the disks in the array in case of a failure. As it is now, if the main disk dies, I can not start the system at all.

Precreate the GPT on each drive using fdisk, parted, or gdisk with a 1MB BIOS Boot partition. Anaconda won't delete it, and you won't have to worry about manually creating it, which is not easy to figure out. I've lobbied to make EFI System partition and BIOS boot always created automatically behind the scenes, even in manual partitioning. There's just no good reason for any user who uses a GUI installer to be responsible for creating such things.
https://bugzilla.redhat.com/show_bug.cgi?id=1022316

> 
> Actually I ended up having three BIOS boot partition on the first disk, being 2, 1, and 1 MB large. Which is quite annoying. But that's another problem...
> 
> Before submitting a bug report/RFE on this. Is there anyone out there that have done this, from anaconda? I.e. creating raid partitions and BIOS boot partitions on ALL disks? If so, how did you do it?

Yes. I created the BIOS boot partition on each disk in advance.


Chris Murphy


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