Здравствуйте! В *nix до сего момента был полным нулем. Сейчас, на новом месте работе приходится разбираться. И не кстати, сдох винт на одном из серверов видеонаблюдения. Там были два винта в LVM. С горем пополам разобрался с LVM, создал такие же разделы на новых дисках, с помощью cp скопировал все на новый диск. А вот с grub что-то не получается. Структура примерно такая (надеюсь, не развалится):
----------------------------------------------------------------------------------------------
| LV1 swap | LV2 root |
----------------------------------------------------------------------------------------------
| vg00 |
|boot| PV (dev/sda2) | PV (/dev/sdb) |
| HDD1 | HDD2 |
я пытался склонировать boot со старого диска, естесственно, ничего не получилось. Открыл grub.cfg, там старые vg прописаны
пытаюсь установить GRUB, мне говорят: failed to get canonical path of '/cow'
много чего из интернета перепробовал, не помогает :-( Такое чувство, что что-то упускаю
Если нужно, вывод fdisk -l:
Disk /dev/loop0: 1.7 GiB, 1831378944 bytes, 3576912 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk /dev/loop1: 86.6 MiB, 90759168 bytes, 177264 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk /dev/loop2: 140 MiB, 146841600 bytes, 286800 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk /dev/loop3: 1.6 MiB, 1691648 bytes, 3304 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk /dev/loop4: 12.2 MiB, 12804096 bytes, 25008 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk /dev/loop5: 21 MiB, 22003712 bytes, 42976 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk /dev/loop6: 3.3 MiB, 3411968 bytes, 6664 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk /dev/sdb: 1.8 TiB, 2000398934016 bytes, 3907029168 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk /dev/sda: 1.8 TiB, 2000398934016 bytes, 3907029168 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: gpt
Disk identifier: FB773019-FDCB-4944-A02D-3FF85139019A
Device Start End Sectors Size Type
/dev/sda1 2048 1050623 1048576 512M BIOS boot
/dev/sda2 1050624 3907028991 3905978368 1.8T Linux filesystem
Disk /dev/sdc: 1.9 GiB, 2003828736 bytes, 3913728 sectors
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: dos
Disk identifier: 0xcad4ebea
Device Boot Start End Sectors Size Id Type
/dev/sdc4 * 256 3913727 3913472 1.9G 6 FAT16
Disk /dev/mapper/vg00-swap: 2 GiB, 2147483648 bytes, 4194304 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk /dev/mapper/vg00-root: 3.7 TiB, 3998107041792 bytes, 7808802816 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
ubuntu@ubuntu:/mnt$ sudo vgdisplay
--- Volume group ---
VG Name vg00
System ID
Format lvm2
Metadata Areas 2
Metadata Sequence No 3
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 2
Open LV 0
Max PV 0
Cur PV 2
Act PV 2
VG Size <3.64 TiB
PE Size 4.00 MiB
Total PE 953735
Alloc PE / Size 953735 / <3.64 TiB
Free PE / Size 0 / 0
VG UUID Q0xhck-GHPv-50A6-Z41x-DOtj-21Nm-zzydeP
ubuntu@ubuntu:/mnt$ sudo lvdisplay
--- Logical volume ---
LV Path /dev/vg00/swap
LV Name swap
VG Name vg00
LV UUID xerAHw-1Tvh-MSvJ-af23-xYF5-eOYx-9G840t
LV Write Access read/write
LV Creation host, time ubuntu, 2018-06-09 08:53:25 +0000
LV Status available
# open 0
LV Size 2.00 GiB
Current LE 512
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 253:0
--- Logical volume ---
LV Path /dev/vg00/root
LV Name root
VG Name vg00
LV UUID a01z8D-cvrL-Lj35-dEOH-Ddhq-PGnK-VefiDQ
LV Write Access read/write
LV Creation host, time ubuntu, 2018-06-09 08:55:31 +0000
LV Status available
# open 0
LV Size <3.64 TiB
Current LE 953223
Segments 2
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 253:1
ubuntu@ubuntu:/mnt$ sudo pvdisplay
--- Physical volume ---
PV Name /dev/sda2
VG Name vg00
PV Size <1.82 TiB / not usable 4.00 MiB
Allocatable yes (but full)
PE Size 4.00 MiB
Total PE 476803
Free PE 0
Allocated PE 476803
PV UUID zwncDn-K7pR-mMND-zXl3-rWpf-jf1e-pZVRLn
--- Physical volume ---
PV Name /dev/sdb
VG Name vg00
PV Size <1.82 TiB / not usable <1.09 MiB
Allocatable yes (but full)
PE Size 4.00 MiB
Total PE 476932
Free PE 0
Allocated PE 476932
PV UUID x7wB10-8IEW-eP7u-5Eko-bxro-o2iz-iAKau0
И да, пришлось же fstab редактировать. Вроде правильно все сделал:
# /etc/fstab: static file system information.
#
# Use 'blkid' to print the universally unique identifier for a
# device; this may be used with UUID= as a more robust way to name devices
# that works even if disks are added and removed. See fstab(5).
#
# <file system> <mount point> <type> <options> <dump> <pass>
/dev/mapper/vg00-root / ext4 errors=remount-ro 0 1
# /boot was on /dev/sda1 during installation
UUID=9f9c8ebf-490f-47bd-b855-ff37b2cc4fad /boot ext2 defaults 0 2
/dev/mapper/vg00-swap none swap sw 0 0
ТС не появлялся на Форуме более полугода по состоянию на 22/07/2019 (последняя явка: 14/11/2018). Модератором раздела принято решение закрыть тему.
--zg_nico