If you only have 3 disks, then you can't have: spares=1 On Sun, Nov 30, 2008 at 3:11 PM, Eitan Tsur <eitan.tsur@xxxxxxxxx> wrote: >> >># mdadm.conf written out by anaconda >>DEVICE partitions >>MAILADDR root@localhost >> >>ARRAY /dev/md0 level=raid5 num-devices=3 spares=1 >> UUID=0c21bf19:83747f05:70a4872d:90643876 > > If I switch the "DEVICE partitions" with "DEVICE /dev/sdb1 /dev/sdc1 > /dev/sdd1", drives no longer are allocated as spares, however the array > still seems to rebuild every boot. > > I don't remember the specifics of what was in /proc/mdstat at the time, but > currently the array is being rebuilt. I'll reboot after it is complete to > give you a copy of it. Basically it allocated the dropped drive as a spare > which I'd have to mdadm -stop and mdadm -add to the original array after > every boot, manually. Give me an hour or two and I'll get you the output of > mdstat. > > On Sun, Nov 30, 2008 at 2:41 PM, Lonni J Friedman <netllama@xxxxxxxxx> > wrote: >> >> On Sun, Nov 30, 2008 at 2:38 PM, Eitan Tsur <eitan.tsur@xxxxxxxxx> wrote: >> > I just recently installed a 3-disk RAID5 array in a server of mine, >> > running >> > FC9. Upon reboot, one of the drives drops out, and is allocated as a >> > spare. >> > I suspect there is some sort of issue where DBUS re-arranges the >> > drive-to-device maps between boots, but I am not sure... Just kind of >> > annoying to have to stop and re-add a drive every boot, and wait the >> > couple >> > hours for the array to rebuild the 3rd disk. Any thoughts? Anyone else >> > encountered such an issue before? What should I be looking for? I'm new >> > to >> > the world of RAID, so any information you can give may be helpful. >> >> What's in /etc/mdadm.conf, /proc/mdstat and dmesg when this fails ? >> -- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ L. Friedman netllama@xxxxxxxxx LlamaLand https://netllama.linux-sxs.org -- fedora-list mailing list fedora-list@xxxxxxxxxx To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list Guidelines: http://fedoraproject.org/wiki/Communicate/MailingListGuidelines