On 02/02/2023 12:09, Guoqing Jiang wrote: >> > > Suppose it also happened during run your script, I guess it might be some > racy conditions. That's true > > $ while true; > do > echo "sessname=foo path=ip:<ip address> device_path=/dev/nvme0n1" > /sys/devices/virtual/rnbd-client/ctl/map_device > echo "normal" > /sys/block/rnbd0/rnbd/unmap_device > done > > > Or does it disappear after revert 6af4609c18b3? If so, we can revert it > first. Well, everything goes well after i reverted 6af4609c18b3. Thanks Zhijian > > Thanks, > Guoqing