Disk /dev/sdb: 953.87 GiB, 1024209543168 bytes, 2000409264 sectors
Disk model: GLOWAY STK1TS3-S
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: gpt
Disk identifier: 23A742AB-9850-416F-9403-F6BED2237807
Device Start End Sectors Size Type
/dev/sdb1 2048 2000408575 2000406528 953.9G Linux RAID
命令行umount之后，显示系统未知，再也挂不上了
