linux:linux_move_bootdisk
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linux:linux_move_bootdisk [2023/03/14 00:17] manu [Move OS disk to a new (rootvg)] |
linux:linux_move_bootdisk [2025/09/19 20:08] (current) manu |
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| https://access.redhat.com/discussions/2158911 | https://access.redhat.com/discussions/2158911 | ||
| - | ====== Move OS disk to a new (rootvg) ====== | + | https://access.redhat.com/solutions/68503 |
| + | |||
| + | http://hpux-howto.blogspot.com/2018/07/how-to-migrate-boot-partition-to-other.html | ||
| + | |||
| + | https://access.redhat.com/discussions/2158911?tour=8 | ||
| + | |||
| + | https://access.redhat.com/solutions/68503 | ||
| + | |||
| + | ===== Move OS disk to a new (rootvg) ===== | ||
| == Clean yum cache == | == Clean yum cache == | ||
| Line 323: | Line 331: | ||
| <cli prompt='#'> | <cli prompt='#'> | ||
| [root@rhlabh1 grub2]# bootlist -m normal sdc sdd sdg sdh | [root@rhlabh1 grub2]# bootlist -m normal sdc sdd sdg sdh | ||
| - | </cli | + | </cli> |
| Reboot | Reboot | ||
| Line 330: | Line 338: | ||
| </cli> | </cli> | ||
| - | === On x86, if using EFI === | + | ==== On x86, if using EFI ==== |
| Copy the efi boot manager, the label must be different to previous one | Copy the efi boot manager, the label must be different to previous one | ||
| Line 336: | Line 344: | ||
| # efibootmgr -c --disk /dev/sdc --part 1 -L "Red Hat Enterprise Linux 7.3" | # efibootmgr -c --disk /dev/sdc --part 1 -L "Red Hat Enterprise Linux 7.3" | ||
| </cli> | </cli> | ||
| + | |||
| + | ===== Method 2: Suse with BTRFS and LVM ===== | ||
| + | |||
| + | <code> | ||
| + | sfdisk -l /dev/sda > svc_bootdisk.out | ||
| + | HD=sdxxx # new disk | ||
| + | sfdisk $HD < svc_bootdisk.out | ||
| + | blockdev --rereadpt $HD | ||
| + | |||
| + | PV=/dev/dm-xxxx | ||
| + | pvscan | ||
| + | pvcreate $PV | ||
| + | pvscan | ||
| + | |||
| + | vgs | ||
| + | vgextend system $PV | ||
| + | pvs | ||
| + | pvmove --atomic /dev/dm-old /dev/dm-new | ||
| + | |||
| + | # lvs -a -o +devices view | ||
| + | vgreduce system /dev/dm-old | ||
| + | pvremove /dev/dm-old | ||
| + | |||
| + | grub2-install /dev/disk/by-id/dm-new-part1 | ||
| + | grub2-mkconfig -o /boot/grub2/grub.cfg | ||
| + | systemctl daemon-reload | ||
| + | mkinitrd | ||
| + | bootlist -m normal sdan sdal sdaq sdai | ||
| + | bootlist -m normal -r | ||
| + | </code> | ||
linux/linux_move_bootdisk.1678749425.txt.gz · Last modified: 2023/03/14 00:17 by manu
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