On Wed, 23 Mar 2011 20:18:24 +0100 Albert Pauw <albert.pauw@xxxxxxxxx> wrote: > Hi Neil, > > I noticed on your 3.1.5 announcement that there were ddf fixes as well. Yes, they are mainly the fixes that you had helped me find and so already knew about. > > I tried the stuff I mentioned before (see below), but those issues > weren't fixed. > > I hope you will have some time to look into this. Hopefully, but probably not for a few weeks - I need to take a break from mdadm and catch up with some other stuff. I'll keep this message to refer back to when I do get back to mdadm. Thanks for your help, NeilBrown > > Regards, > > Albert Pauw > > -------- Original Message -------- > > Hi Neil, > > I updated to the git version (devel) and tried my "old" tricks: > > - Create a container with 5 disks > - Created two raid sets (raid 1 md0 and raid 5 md1) in this container > > mdadm -E /dev/md127 shows all disks active/Online > > - Failed one disk in md0 > > mdadm -E /dev/md127 shows this disk as active/Offline, Failed > > - Failed one disk in md1 > > mdadm -E /dev/md127 shows this disk as active/Offline, Failed > > - Added a new spare disk to the container > > mdadm -E /dev/md127 shows this new disk as active/Online, Rebuilding > > this looks good, but although the container has six disks, the lastly failed > disk is missing, mdadm -E /dev/md127 only shows five disks (including > the rebuilding one). > > This time however, only one of the failed raid sets is rebuilding, so > that fix is ok. > > Here is another scenario with strange implications: > > - Created a container with 6 disks > > mdadm -E /dev/md127 shows all 6 disks as Global-Spare/Online > > - Removed one of the disks, as I only needed 5 > > This time mdadm -e /dev/md127 shows six physical disks, one of which has > no device > > - Created two raid sets (raid 1 md0 and raid 5 md1) in this container > > mdadm -E /dev/md127 shows all disks active/Online, except the "empty > entry" which stays > Global-Spare/Online > > - I fail two disks, one in each raid array > > mdadm -E /dev/md127 shows these two disks as active/Offline, Failed > > - I add back the disk I removed earlier, it should fit into the empty > slot of mdadm -E > > mdadm -E /dev/md127 shows something very strange, namely > -> All disks are set to Global-Spare/Online > -> All device files are removed from the slots in mdadm -E, except the > newly added one, > which shows the correct device > > Albert > > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-raid" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
