To recreate: 1. partition two disks sized the same into two equal partitions (2G disk, two 1G partitions each)
# cat /proc/partitions major minor #blocks name 252 32 2097152 vdc 252 33 1048576 vdc1 252 34 1047552 vdc2 252 48 2097152 vdd 252 49 1048576 vdd1 252 50 1047552 vdd2 2. sudo apt install mdadm --no-install-recommends 3. sudo bash -x ./create-mirror.sh 4. cat /proc/mdstat # check that the array's are resyncing 5. sudo mdadm --stop /dev/md1 6. test -e /sys/class/block/md1 If the arrays completely resync before attempting --stop; we don't see the failure; however, if a resync is present then stopping md0 or md1 will succeed but /sys/class/block/mdX/* contains files even if /dev/mdX is not present. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1682456 Title: md devices may leave remnants in /sys/class/block after removal To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1682456/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
