Description of problem:
I've installed F21 onto a box with a new pair of disks. Almost all the partitions are RAID1'd (apart from swap). I used the manual partition tool available during the VNC installer to add the partitions.
The system, however, won't boot from disk. Booting into the installer and going to the side shell, I see the following:
/dev/sda1 2048 1048840191 1048838144 500.1G fd Linux raid autodetect
/dev/sda2 1048840192 2097678335 1048838144 500.1G fd Linux raid autodetect
/dev/sda3 2097678336 2307524607 209846272 100.1G fd Linux raid autodetect
/dev/sda4 2307524608 3907029167 1599504560 762.7G 5 Extended
/dev/sda5 2307526656 2412449791 104923136 50G fd Linux raid autodetect
/dev/sda6 2412451840 2517374975 104923136 50G fd Linux raid autodetect
/dev/sda7 2517377024 2622300159 104923136 50G fd Linux raid autodetect
/dev/sda8 * 2622302208 2623328255 1026048 501M fd Linux raid autodetect
/dev/sda9 2623330304 2623346687 16384 8M 82 Linux swap / Solaris
/dev/sda10 2623348736 3672186879 1048838144 500.1G fd Linux raid autodetect
(/dev/sdb looks identical)
Interestingly, /boot (501M in size) in a logical partition, not a primary partition.
/dev/sda and /dev/sdb both seem to have grub written into sector 0.
Created attachment 924278 [details]
Anaconda installation log
Created attachment 924279 [details]
NIC config log
Created attachment 924280 [details]
Created attachment 924281 [details]
Created attachment 924282 [details]
Created attachment 924283 [details]
Blivet storage config log
Created attachment 924284 [details]
I skipped ks-script-PFBZQR.log as it was empty.
I used fdisk to remove the partition tables and reinstalled, this time with the Automatic disk partitioning and now it boots okay.
I guess that means grub2 can't handle md on logical partitions. There is code to force a /boot partition to the front of the disk, barring any other explicit requests, but it does not apply to partitions that comprise a /boot md array. It shouldn't be too hard to enforce it for md member partitions, but it will be non-trivial. A workaround would be to use kickstart, specifying --asprimary for the /boot member partitions.
It's worth considering moving this to grub2, unless it is common knowledge that grub2 can't make sense of md on logical partition members.
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