Hi Song Thanks for your reply. On 15.06.19 02:39, Song Liu wrote: > To be clear, this does not happen every time, right? This is correct. There are alot of shutdown/reboot sequences without any issues. > And the bitmap is stored in a file? And the file is on a different disk, right? No, the bitmap is stored internal. An printout of the mdadm details: > # mdadm --detail /dev/md0 > /dev/md0: > Version : 1.2 > Creation Time : Wed May 16 00:35:33 2018 > Raid Level : raid1 > Array Size : 1953382464 (1862.89 GiB 2000.26 GB) > Used Dev Size : 1953382464 (1862.89 GiB 2000.26 GB) > Raid Devices : 2 > Total Devices : 2 > Persistence : Superblock is persistent > > Intent Bitmap : Internal > > Update Time : Sat Jun 15 10:20:19 2019 > State : clean, resyncing > Active Devices : 2 > Working Devices : 2 > Failed Devices : 0 > Spare Devices : 0 > > Consistency Policy : bitmap > > Resync Status : 32% complete > > Name : $hostname:0 (local to host $hostname) > UUID : 4635f0fe:f2676778:6e9451dc:92a18ede > Events : 233032 > > Number Major Minor RaidDevice State > 0 8 17 0 active sync /dev/sdb1 > 3 8 33 1 active sync /dev/sdc1 Let me know if you need more details. -- thanks alot! regards, mathias