Hello users of Linux software RAID! I have two identical harddisks, and on a freshly installed Fedora 16 all my filesystems (/boot, /, /home, /usr/local, /opt, swap) are set up as software RAID1 (md). Occasionally (about every second boot), Fedora 16 silently removes one of the mirrors from the RAID1 devices. Sometimes this happens for just one device, sometimes for up to three. So far, it never happened to "/boot", "/" and swap but only to "/home", "/usr/local" and "/opt". The harddisks are fine. There are no errors in /var/log/messages. SMART is happy. Partition tables, partition types etc. are identical for both disks. As said, it doesn't happen always, so hardware and configuration should be okay in general. There must be a bug in the kernel or in the startup scripts that assemble the RAID devices during the boot process. If I do "mdadm --add /dev/mdX /dev/sdaX" everything is fine after a couple of seconds. All the UUIDs are fine. It's all there and as it should be. There's no reason what goes wrong during startup. So far, it never happened to the second harddisk (/dev/sdb), only the primary harddisk (/dev/sda) was affected. With Fedora 14 (and before), I never had such issues. Basically the same problem has been reported by Sam Varshavchik in <cone.1323864504.969555.2535.1000@xxxxxxxxxxxxxxxxxxxxxx> but there wasn't a final solution. Fact is, that the failing RAID devices are not mentioned in the kernel options in /boot/grub2/grub.cfg. I've checked with my old F14 config (GRUB1), but it was the very same there (only /boot, / and swap were specified, but no other RAID devices). And F14 worked perfectly fine. And it works with F16 also, but just not always. Software RAID is a mess in Fedora 16. First that issue with /boot on RAID-1, now the startup process fails to assemble RAID devices. Greetings, Andreas -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines Have a question? Ask away: http://ask.fedoraproject.org
