Same problem here reproducible on Ubuntu 18.04 LTS. SATA RAID 10 with XFS filesystem. On each reboot the RAID does a resync. Any operation on the RAID before the resync is finished causes the process to hang. Might be also associated with another issue that causes the resync every time on boot.
Same problem here reproducible on Ubuntu 18.04 LTS. SATA RAID 10 with XFS filesystem. On each reboot the RAID does a resync. Any operation on the RAID before the resync is finished causes the process to hang. Might be also associated with another issue that causes the resync every time on boot.