"wonderful" news shortly before a new machine arrives which will NATURLY use RAID and was planned as first fedora16 setup are we getting only broken pieces now? until and including F14 Fedora was a rock stable distribution, but currently all feels like "let's see what they have broken now" Am 16.02.2012 02:49, schrieb Andreas M. Kirchwitz: > 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 -- Mit besten Grüßen, Reindl Harald the lounge interactive design GmbH A-1060 Vienna, Hofmühlgasse 17 CTO / software-development / cms-solutions p: +43 (1) 595 3999 33, m: +43 (676) 40 221 40 icq: 154546673, http://www.thelounge.net/ http://www.thelounge.net/signature.asc.what.htm
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