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LVM으로 구성된 ROOT(vg0-lv--0) 파티션 확장
테스트 환경
$ cat /etc/os-release
PRETTY_NAME="Ubuntu 22.04.1 LTS"
NAME="Ubuntu"
VERSION_ID="22.04"
VERSION="22.04.1 LTS (Jammy Jellyfish)"
VERSION_CODENAME=jammy
ID=ubuntu
ID_LIKE=debian
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
UBUNTU_CODENAME=jammy$ df -h | egrep -v tmpfs
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/vg0-lv--0 48G 9.7G 36G 22% /
/dev/sda2 974M 127M 780M 14% /boot현재 구성된 볼륨 확인
Physical volume 확인
pvs$ pvs
PV VG Fmt Attr PSize PFree
/dev/sda3 vg0 lvm2 a-- <49.00g 0pvdisplay$ pvdisplay
--- Physical volume ---
PV Name /dev/sda3
VG Name vg0
PV Size <49.00 GiB / not usable 0
Allocatable yes (but full)
PE Size 4.00 MiB
Total PE 12543
Free PE 0
Allocated PE 12543
PV UUID EzR25A-XEmv-nNpb-ljAb-MnXI-rx6Z-6FCFBkLogical volume 확인
lvs$ lvs
LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert
lv-0 vg0 -wi-ao---- <49.00glvdisplay$ lvdisplay
--- Logical volume ---
LV Path /dev/vg0/lv-0
LV Name lv-0
VG Name vg0
LV UUID Fr3FaA-gfq8-CFqg-0O9n-45VI-PQFA-3c8sRs
LV Write Access read/write
LV Creation host, time ubuntu-server, 2022-10-17 20:44:41 +0900
LV Status available
# open 1
LV Size <49.00 GiB
Current LE 12543
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 253:0Volume group 확인
vgs$ vgs
VG #PV #LV #SN Attr VSize VFree
vg0 1 1 0 wz--n- <49.00g 0vgdisplay$ vgdisplay
--- Volume group ---
VG Name vg0
System ID
Format lvm2
Metadata Areas 1
Metadata Sequence No 2
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 1
Open LV 1
Max PV 0
Cur PV 1
Act PV 1
VG Size <49.00 GiB
PE Size 4.00 MiB
Total PE 12543
Alloc PE / Size 12543 / <49.00 GiB
Free PE / Size 0 / 0
VG UUID hphJDm-bnzU-vx3i-HPW3-PGM7-czM0-KPCZfH디스크 추가 및 볼륨 추가 구성하기
추가된 물리 디스크 확인
- Disk /dev/sdb: 100 GiB
$ fdisk -l
...
Disk /dev/sda: 50 GiB, 53687091200 bytes, 104857600 sectors
Disk model: VBOX HARDDISK
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: gpt
Disk identifier: 0DB033CB-3D5D-414E-B60E-6B9B2BF3708D
Device Start End Sectors Size Type
/dev/sda1 2048 4095 2048 1M BIOS boot
/dev/sda2 4096 2101247 2097152 1G Linux filesystem
/dev/sda3 2101248 104855551 102754304 49G Linux filesystem
Disk /dev/sdb: 100 GiB, 107374182400 bytes, 209715200 sectors
Disk model: VBOX HARDDISK
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/mapper/vg0-lv--0: 49 GiB, 52609155072 bytes, 102752256 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 byteslsblk --fs$ lsblk --fs | egrep -v squashfs
NAME FSTYPE FSVER LABEL UUID FSAVAIL FSUSE% MOUNTPOINTS
sda
├─sda1
├─sda2 ext4 1.0 7a7b9f02-1507-49ba-8b99-7640606ef946 779.6M 13% /boot
└─sda3 LVM2_member LVM2 001 EzR25A-XEmv-nNpb-ljAb-MnXI-rx6Z-6FCFBk
└─vg0-lv--0 ext4 1.0 e0c5de6f-2672-4ebc-b9bf-58c50698c30e 35.8G 20% /
sdb
sr0추가 파티션 생성
- Disk /dev/sdb: 100 GiB
fdisk /dev/sdbCommand (m for help): nSelect (default p): pPartition number (1-4, default 1): (Enter)First sector (2048-209715199, default 2048): (Enter)Last sector, +/-sectors or +/-size{K,M,G,T,P} (2048-209715199, default 209715199): (Enter)Command (m for help): tHex code or alias (type L to list all): LHex code or alias (type L to list all): 8ECommand (m for help): pCommand (m for help): w$ fdisk /dev/sdb
Welcome to fdisk (util-linux 2.37.2).
Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.
Device does not contain a recognized partition table.
Created a new DOS disklabel with disk identifier 0xb5f1ea38.
Command (m for help): n
Partition type
p primary (0 primary, 0 extended, 4 free)
e extended (container for logical partitions)
Select (default p): p
Partition number (1-4, default 1): 1
First sector (2048-209715199, default 2048):
Last sector, +/-sectors or +/-size{K,M,G,T,P} (2048-209715199, default 209715199):
Created a new partition 1 of type 'Linux' and of size 30 GiB.
Command (m for help): t
Selected partition 1
Hex code or alias (type L to list all): L
00 Empty 24 NEC DOS 81 Minix / old Lin bf Solaris
01 FAT12 27 Hidden NTFS Win 82 Linux swap / So c1 DRDOS/sec (FAT-
02 XENIX root 39 Plan 9 83 Linux c4 DRDOS/sec (FAT-
03 XENIX usr 3c PartitionMagic 84 OS/2 hidden or c6 DRDOS/sec (FAT-
04 FAT16 <32M 40 Venix 80286 85 Linux extended c7 Syrinx
05 Extended 41 PPC PReP Boot 86 NTFS volume set da Non-FS data
06 FAT16 42 SFS 87 NTFS volume set db CP/M / CTOS / .
07 HPFS/NTFS/exFAT 4d QNX4.x 88 Linux plaintext de Dell Utility
08 AIX 4e QNX4.x 2nd part 8e Linux LVM df BootIt
09 AIX bootable 4f QNX4.x 3rd part 93 Amoeba e1 DOS access
0a OS/2 Boot Manag 50 OnTrack DM 94 Amoeba BBT e3 DOS R/O
0b W95 FAT32 51 OnTrack DM6 Aux 9f BSD/OS e4 SpeedStor
0c W95 FAT32 (LBA) 52 CP/M a0 IBM Thinkpad hi ea Linux extended
0e W95 FAT16 (LBA) 53 OnTrack DM6 Aux a5 FreeBSD eb BeOS fs
0f W95 Ext'd (LBA) 54 OnTrackDM6 a6 OpenBSD ee GPT
10 OPUS 55 EZ-Drive a7 NeXTSTEP ef EFI (FAT-12/16/
11 Hidden FAT12 56 Golden Bow a8 Darwin UFS f0 Linux/PA-RISC b
12 Compaq diagnost 5c Priam Edisk a9 NetBSD f1 SpeedStor
14 Hidden FAT16 <3 61 SpeedStor ab Darwin boot f4 SpeedStor
16 Hidden FAT16 63 GNU HURD or Sys af HFS / HFS+ f2 DOS secondary
17 Hidden HPFS/NTF 64 Novell Netware b7 BSDI fs fb VMware VMFS
18 AST SmartSleep 65 Novell Netware b8 BSDI swap fc VMware VMKCORE
1b Hidden W95 FAT3 70 DiskSecure Mult bb Boot Wizard hid fd Linux raid auto
1c Hidden W95 FAT3 75 PC/IX bc Acronis FAT32 L fe LANstep
1e Hidden W95 FAT1 80 Old Minix be Solaris boot ff BBT
Aliases:
linux - 83
swap - 82
extended - 05
uefi - EF
raid - FD
lvm - 8E
linuxex - 85
Hex code or alias (type L to list all): 8E
Changed type of partition 'Linux' to 'Linux LVM'.
Command (m for help): p
Disk /dev/sdb: 100 GiB, 107374182400 bytes, 209715200 sectors
Disk model: VBOX HARDDISK
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: 0xb5f1ea38
Device Boot Start End Sectors Size Id Type
/dev/sdb1 2048 209715199 209713152 100G 8e Linux LVM
Command (m for help): w
The partition table has been altered.
Calling ioctl() to re-read partition table.
Syncing disks.fdisk -l /dev/sdb$ fdisk -l /dev/sdb
Disk /dev/sdb: 100 GiB, 107374182400 bytes, 209715200 sectors
Disk model: VBOX HARDDISK
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: 0x9a514aba
Device Boot Start End Sectors Size Id Type
/dev/sdb1 2048 209715199 209713152 100G 8e Linux LVMlsblk | egrep -v 'loop|sr0'$ lsblk | egrep -v 'loop|sr0'
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
sda 8:0 0 25G 0 disk
├─sda1 8:1 0 1M 0 part
├─sda2 8:2 0 2G 0 part /boot
└─sda3 8:3 0 23G 0 part
└─ubuntu--vg-ubuntu--lv 253:0 0 11.5G 0 lvm /
sdb 8:16 0 100G 0 disk
└─sdb1 8:17 0 100G 0 partPhysical volume 생성
- /dev/sdb1 생성
pvcreate /dev/sdb1$ pvcreate /dev/sdb1
Physical volume "/dev/sdb1" successfully created.$ pvs
PV VG Fmt Attr PSize PFree
/dev/sda3 vg0 lvm2 a-- <49.00g 0
/dev/sdb1 lvm2 --- <100.00g <100.00gVolume group 확장
- /dev/sdb1 확장
$ pvdisplay | egrep "PV Name"
PV Name /dev/sda3
PV Name /dev/sdb1$ vgdisplay | egrep "VG Name"
VG Name vg0vgextend vg0 /dev/sdb1$ vgextend vg0 /dev/sdb1
Volume group "vg0" successfully extended$ vgdisplay
--- Volume group ---
VG Name vg0
System ID
Format lvm2
Metadata Areas 2
Metadata Sequence No 3
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 1
Open LV 1
Max PV 0
Cur PV 2
Act PV 2
VG Size 148.99 GiB
PE Size 4.00 MiB
Total PE 38142
Alloc PE / Size 12543 / <49.00 GiB
Free PE / Size 25599 / <100.00 GiB
VG UUID hphJDm-bnzU-vx3i-HPW3-PGM7-czM0-KPCZfHLogical volume 확장
$ lvdisplay | egrep "LV Path"
LV Path /dev/vg0/lv-0lvextend --extents +100%FREE /dev/vg0/lv-0$ lvextend --extents +100%FREE /dev/vg0/lv-0
Size of logical volume vg0/lv-0 changed from <49.00 GiB (12543 extents) to 148.99 GiB (38142 extents).
Logical volume vg0/lv-0 successfully resized.lvs$ lvs
LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert
lv-0 vg0 -wi-ao---- 148.99glvdisplay | egrep "LV Path"$ lvdisplay | egrep "LV Path"
LV Path /dev/ubuntu-vg/ubuntu-lvresize2fs /dev/vg0/lv-0$ resize2fs /dev/vg0/lv-0
resize2fs 1.46.5 (30-Dec-2021)
Filesystem at /dev/vg0/lv-0 is mounted on /; on-line resizing required
old_desc_blocks = 7, new_desc_blocks = 19
The filesystem on /dev/vg0/lv-0 is now 39057408 (4k) blocks long.구성된 파일시스템 확인
df -h | egrep -v tmpfs$ df -h | egrep -v tmpfs
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/vg0-lv--0 147G 12G 129G 9% /
/dev/sda2 974M 127M 780M 14% /bootlsblk --fs | egrep -v squashfs$ lsblk --fs | egrep -v squashfs
NAME FSTYPE FSVER LABEL UUID FSAVAIL FSUSE% MOUNTPOINTS
sda
├─sda1
├─sda2 ext4 1.0 7a7b9f02-1507-49ba-8b99-7640606ef946 779.6M 13% /boot
└─sda3 LVM2_member LVM2 001 EzR25A-XEmv-nNpb-ljAb-MnXI-rx6Z-6FCFBk
└─vg0-lv--0 ext4 1.0 e0c5de6f-2672-4ebc-b9bf-58c50698c30e 128.3G 8% /
sdb
└─sdb1 LVM2_member LVM2 001 5J9rik-XGqX-pIEt-IvAZ-nA5x-JHh2-SZAUpJ
└─vg0-lv--0 ext4 1.0 e0c5de6f-2672-4ebc-b9bf-58c50698c30e 128.3G 8% /
sr0728x90
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