First, enter the "support" mode, use the command "vxdisk list -o alldgs" to check if the all the data disks in the problematic storage pool are in the group of "sfsdg", and the status of "(sfsdg)" in the picture below show that the data disks are not in the group. For this situation, to make the data safe, we suggest to restart the device with a maintenance window.
Second, if all the data disks are in the gourp of "sfsdg", we can use the way as below to restore the device online.
1. use the command "vxdisk list datadiskname
" to find the site information of the data disk as below:
2. With "support" mode, use the command "" to reset the storage pool.
N8500_02:~ # vxdisk -g sfsdg -f settag site=NLSAS3T_POOL huawei-s5600t0_8
3. With "master" mode, use the command below to scan the disk again