После перезагрузки сервера выходит grub rescue. Раздел /boot не виден.
При загрузке с livecd не удается примонтировать пул zfs для восстановления данных. Очень нужны данные с раздела sbd2
ubuntu@ubuntu:~$ lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
loop0 7:0 0 1.9G 1 loop /rofs
loop1 7:1 0 89.1M 1 loop /snap/core/7917
loop2 7:2 0 54.5M 1 loop /snap/core18/1223
loop3 7:3 0 149.9M 1 loop /snap/gnome-3-28-1804/71
loop4 7:4 0 4.2M 1 loop /snap/gnome-calculator/501
loop5 7:5 0 14.8M 1 loop /snap/gnome-characters/317
loop6 7:6 0 956K 1 loop /snap/gnome-logs/81
loop7 7:7 0 44.2M 1 loop /snap/gtk-common-themes/1353
sda 8:0 0 111.8G 0 disk
├─sda1 8:1 0 111.8G 0 part
└─sda9 8:9 0 8M 0 part
sdb 8:16 0 2.7T 0 disk
├─sdb1 8:17 0 1007K 0 part
├─sdb2 8:18 0 2.7T 0 part
└─sdb9 8:25 0 8M 0 part
sdc 8:32 0 111.3G 0 disk
sr0 11:0 1 2.3G 0 rom /cdrom
ubuntu@ubuntu:~$ zpool import
cannot discover pools: permission denied
ubuntu@ubuntu:~$ sudo zpool import
pool: rpool
id: 12980673136243053646
state: UNAVAIL
status: One or more devices are missing from the system.
action: The pool cannot be imported. Attach the missing
devices and try again.
see: http://zfsonlinux.org/msg/ZFS-8000-6X
config: rpool UNAVAIL missing device
sdb2 ONLINE
logs
mirror-1 UNAVAIL insufficient replicas
sdb UNAVAIL corrupted data
8133131773784130421 UNAVAIL
Additional devices are known to be part of this pool, though their
exact configuration cannot be determined.
ubuntu@ubuntu:/$ sudo zdb -e -C rpool
MOS Configuration:
version: 5000
name: 'rpool'
state: 0
txg: 15312122
pool_guid: 12980673136243053646
errata: 0
hostid: 2056645051
hostname: 'ubuntu'
com.delphix:has_per_vdev_zaps
vdev_children: 2
vdev_tree:
type: 'root'
id: 0
guid: 12980673136243053646
children[0]:
type: 'disk'
id: 0
guid: 11098730369014509301
path: '/dev/sda2'
whole_disk: 0
metaslab_array: 256
metaslab_shift: 34
ashift: 12
asize: 2998946496512
is_log: 0
DTL: 3467
create_txg: 4
com.delphix:vdev_zap_leaf: 129
com.delphix:vdev_zap_top: 130
children[1]:
type: 'mirror'
id: 1
guid: 14529203028178577684
metaslab_array: 260
metaslab_shift: 30
ashift: 12
asize: 119438573568
is_log: 1
create_txg: 467
com.delphix:vdev_zap_top: 132
children[0]:
type: 'disk'
id: 0
guid: 1929413922049645180
path: '/dev/sdb1'
devid: 'scsi-36d4ae520a426ba00236b0981069d45d8-part1'
phys_path: 'pci-0000:03:00.0-scsi-0:2:1:0'
whole_disk: 1
DTL: 3469
create_txg: 467
com.delphix:vdev_zap_leaf: 133
children[1]:
type: 'disk'
id: 1
guid: 8133131773784130421
path: '/dev/sdc1'
devid: 'scsi-36d4ae520a426ba00236b098e076f3a7b-part1'
phys_path: 'pci-0000:03:00.0-scsi-0:2:2:0'
whole_disk: 1
not_present: 1
DTL: 3468
create_txg: 467
expansion_time: 1582115899
com.delphix:vdev_zap_leaf: 134
features_for_read:
com.delphix:hole_birth
com.delphix:embedded_data
