原始故障：
pool: datastore7
state: DEGRADED
status: One or more devices could not be used because the label is missing or
invalid. Sufficient replicas exist for the pool to continue
functioning in a degraded state.
action: Replace the device using 'zpool replace'.
see: http://zfsonlinux.org/msg/ZFS-8000-4J
scan: resilvered 72K in 0 days 00:00:00 with 0 errors on Tue Feb 2 14:12:50 2021
config:
NAME STATE READ WRITE CKSUM
datastore7 DEGRADED 0 0 0
raidz2-0 DEGRADED 0 0 0
ata-ST12000NM001G-2MV103_ZLW1MN17 ONLINE 0 0 0
ata-ST12000NM001G-2MV103_ZLW1QTC1 ONLINE 0 0 0
ata-ST12000NM001G-2MV103_ZL26MYHM ONLINE 0 0 0
ata-ST12000NM001G-2MV103_ZL269WB4 ONLINE 0 0 0
ata-ST12000NM001G-2MV103_ZLW1LH4W ONLINE 0 0 0
ata-ST12000NM001G-2MV103_ZLW1NS9P ONLINE 0 0 0
ata-ST12000NM001G-2MV103_ZLW1EZ91 ONLINE 0 0 0
ata-ST12000NM001G-2MV103_ZLW1M9F9 ONLINE 0 0 0
ata-ST12000NM001G-2MV103_ZLW1NHRW ONLINE 0 0 0
ata-ST12000NM001G-2MV103_ZLW1MX0Z ONLINE 0 0 0
11549522135666300014 FAULTED 0 0 0 was /dev/sdbe1
ata-ST12000NM001G-2MV103_ZLW1MVV5 ONLINE 0 0 0
ata-ST12000NM001G-2MV103_ZLW0C5E5 ONLINE 0 0 0
ata-ST12000NM001G-2MV103_ZL2791Y8 ONLINE 0 0 0
ata-ST12000NM001G-2MV103_ZLW1F68Y ONLINE 0 0 0
我离线了该驱动器，并在插槽中替换了一个新的驱动器。
不，我的状态看起来像这样......
pool: datastore7
state: DEGRADED
status: One or more devices has been taken offline by the administrator.
Sufficient replicas exist for the pool to continue functioning in a
degraded state.
action: Online the device using 'zpool online' or replace the device with
'zpool replace'.
scan: resilvered 0B in 0 days 00:00:00 with 0 errors on Tue Jun 29 14:49:39 2021
config:
NAME STATE READ WRITE CKSUM
datastore7 DEGRADED 0 0 0
raidz2-0 DEGRADED 0 0 0
ata-ST12000NM001G-2MV103_ZLW1MN17 ONLINE 0 0 0
ata-ST12000NM001G-2MV103_ZLW1QTC1 ONLINE 0 0 0
ata-ST12000NM001G-2MV103_ZL26MYHM ONLINE 0 0 0
ata-ST12000NM001G-2MV103_ZL269WB4 ONLINE 0 0 0
ata-ST12000NM001G-2MV103_ZLW1LH4W ONLINE 0 0 0
ata-ST12000NM001G-2MV103_ZLW1NS9P ONLINE 0 0 0
ata-ST12000NM001G-2MV103_ZLW1EZ91 ONLINE 0 0 0
ata-ST12000NM001G-2MV103_ZLW1M9F9 ONLINE 0 0 0
ata-ST12000NM001G-2MV103_ZLW1NHRW ONLINE 0 0 0
13954818631282842372 OFFLINE 0 0 0 was /dev/disk/by-id/ata-ST12000NM001G-2MV103_ZLW1MX0Z-part1
sdbe ONLINE 0 0 0
ata-ST12000NM001G-2MV103_ZLW1MVV5 ONLINE 0 0 0
ata-ST12000NM001G-2MV103_ZLW0C5E5 ONLINE 0 0 0
ata-ST12000NM001G-2MV103_ZL2791Y8 ONLINE 0 0 0
ata-ST12000NM001G-2MV103_ZLW1F68Y ONLINE 0 0 0
所有替换命令似乎都出现错误：
-bash-4.2$ sudo zpool replace datastore7 13954818631282842372 sdbe
[sudo] password for ash.hill:
/dev/sdbe is in use and contains a unknown filesystem.
很想得到一些指导，因为我对 zfs 还很陌生。幸运的是，这个卷上还没有数据，但我还是想知道如何恢复。
谢谢！