将旧服务器重新用作备份存储库。盒子名称为备份。Ubuntu 版本 20.04，仅命令行。如何确保使用 XCOPY 或 SCOPY 从其他服务器复制到它的文件实际上会进入 RAID1？如何在 RAID1 上创建一个持久或始终存在的挂载点？或者我已经有一个挂载点但不知道它？我如何实现它并证明它正在运行？
administrator@backup:/$ sudo blkid
/dev/sdd1: UUID="575d15f5-baf3-a6c9-d4e7-06731d2a572f" UUID_SUB="d3c74a79-10cb-8b83-049c-e572937372c3" LABEL="ubuntu-server:0" TYPE="linux_raid_member" PARTLABEL="zfs" PARTUUID="688d0417-71b5-e344-8585-47c0fb46d70f"
/dev/sdb2: UUID="2c6f544c-641e-497a-b7c0-fdf9fb6a852f" BLOCK_SIZE="4096" TYPE="ext4" PARTUUID="c96406c3-6ac8-4900-81f6-da5eae388401"
/dev/sdb3: UUID="vbmVlD-2ojg-J3ix-5LlO-OHeE-SCoc-slDK09" TYPE="LVM2_member" PARTUUID="16dfbb75-6f43-4fd4-a828-8eabaceb70a0"
/dev/mapper/ubuntu--vg-ubuntu--lv: UUID="57974447-8c11-439f-82d4-b568b81cf9b0" BLOCK_SIZE="4096" TYPE="ext4"
/dev/sde1: UUID="575d15f5-baf3-a6c9-d4e7-06731d2a572f" UUID_SUB="7af91490-42b4-c693-f1d2-74d09f82a234" LABEL="ubuntu-server:0" TYPE="linux_raid_member" PARTLABEL="zfs" PARTUUID="4dc3f453-abe2-264b-b050-894af7419e58"
/dev/loop1: TYPE="squashfs"
/dev/sdd9: PARTUUID="9737236d-165d-414c-bd20-1d3907c6447a"
/dev/sdb1: PARTUUID="534152da-4d51-4886-a795-77d5b4e4335f"
/dev/loop6: TYPE="squashfs"
/dev/loop4: TYPE="squashfs"
/dev/md0p1: PARTLABEL="gpt" PARTUUID="421a3afd-c8e4-4579-bad2-6e394bb62620"
/dev/loop2: TYPE="squashfs"
/dev/loop0: TYPE="squashfs"
/dev/sde9: PARTUUID="a3876f14-b210-b84a-a364-4a2964e6a38a"
/dev/sdc1: PARTUUID="af63730e-01"
/dev/loop5: TYPE="squashfs"
/dev/loop3: TYPE="squashfs"