출처: VM의 루트 볼륨을 추가(증대)하기 (tistory.com)
#proxmox 호스트 머신
root@chainverse:~# qm config 112
boot: order=scsi0;ide2;net0
cores: 4
ide2: hdd:iso/CentOS-7-x86_64-Minimal-1908.iso,media=cdrom,size=942M
memory: 16384
meta: creation-qemu=7.2.0,ctime=1680057785
name: bc-node01
net0: virtio=C6:53:9B:89:EB:EC,bridge=vmbr0,firewall=1
numa: 0
ostype: l26
scsi0: hdd:107/vm-107-disk-0.qcow2,iothread=1,size=256G
scsihw: virtio-scsi-single
smbios1: uuid=12ccb4f8-a3d1-4b30-92a8-b36bbdb08765
sockets: 1
vmgenid: 1bad398c-8da4-480d-9e93-ff27552d684c
root@chainverse:~# qm resize 107 +2G
400 not enough arguments
qm disk resize <vmid> <disk> <size> [OPTIONS]
root@chainverse:~# qm resize 112 scsi0 +2G
root@chainverse:~# qm config 112
boot: order=scsi0;ide2;net0
cores: 4
ide2: hdd:iso/CentOS-7-x86_64-Minimal-1908.iso,media=cdrom,size=942M
memory: 16384
meta: creation-qemu=7.2.0,ctime=1680057785
name: bc-node01
net0: virtio=C6:53:9B:89:EB:EC,bridge=vmbr0,firewall=1
numa: 0
ostype: l26
scsi0: hdd:107/vm-107-disk-0.qcow2,iothread=1,size=258G
scsihw: virtio-scsi-single
smbios1: uuid=12ccb4f8-a3d1-4b30-92a8-b36bbdb08765
sockets: 1
vmgenid: 1bad398c-8da4-480d-9e93-ff27552d684c
root@chainverse:~#
#====== 위는 VM의 disk 크기를 증대하는 예시이다. 아래서부터는 용량을 추가한 VM에서 진행해야 한다. ==========
#1. == df -h ==
[coffee@localhost ~]$ df -h
Filesystem Size Used Avail Use% Mounted on
devtmpfs 4.0M 0 4.0M 0% /dev
tmpfs 3.8G 0 3.8G 0% /dev/shm
tmpfs 1.6G 8.6M 1.5G 1% /run
/dev/mapper/rl-root 39G 1.8G 37G 5% /
/dev/sda1 1014M 217M 798M 22% /boot
/dev/mapper/rl-home 19G 165M 19G 1% /home
tmpfs 769M 0 769M 0% /run/user/0
tmpfs 769M 0 769M 0% /run/user/1000
[coffee@localhost ~]$
#2. == sudo fdisk -l ==
[coffee@localhost ~]$ sudo fdisk -l
[sudo] password for coffee:
Disk /dev/sda: 64 GiB, 68719476736 bytes, 134217728 sectors
Disk model: QEMU 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: 0x8316ce42
Device Boot Start End Sectors Size Id Type
/dev/sda1 * 2048 2099199 2097152 1G 83 Linux
/dev/sda2 2099200 134217727 132118528 63G 8e Linux LVM
Disk /dev/mapper/rl-root: 38.03 GiB, 40831549440 bytes, 79749120 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/mapper/rl-swap: 6.4 GiB, 6874464256 bytes, 13426688 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/mapper/rl-home: 18.57 GiB, 19935526912 bytes, 38936576 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
[coffee@localhost ~]$
#3. == after qm resize scsi0 +2G ==
[coffee@localhost ~]$ sudo fdisk -l
Disk /dev/sda: 66 GiB, 70866960384 bytes, 138412032 sectors
Disk model: QEMU 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: 0x8316ce42
Device Boot Start End Sectors Size Id Type
/dev/sda1 * 2048 2099199 2097152 1G 83 Linux
/dev/sda2 2099200 134217727 132118528 63G 8e Linux LVM
Disk /dev/mapper/rl-root: 38.03 GiB, 40831549440 bytes, 79749120 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/mapper/rl-swap: 6.4 GiB, 6874464256 bytes, 13426688 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/mapper/rl-home: 18.57 GiB, 19935526912 bytes, 38936576 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
[coffee@localhost ~]$
#4. == 블럭 디바이스 확인 ==
[coffee@localhost ~]$ lsblk -f
NAME FSTYPE FSVER LABEL UUID FSAVAIL FSUSE% MOUNTPOINTS
sda
├─sda1 xfs 997748d7-3f14-4b8d-ab24-0340ed496b88 797.5M 21% /boot
└─sda2 LVM2_member LVM2 001 jWFSDI-Gc5U-6da0-TEoN-CxAL-o3AY-pYZWV9
├─rl-root xfs 9b26eaf3-a227-466b-9205-f1e37460a923 36.3G 4% /
├─rl-swap swap 1 245e34bf-ec63-4156-9faa-8b2032d158fc [SWAP]
└─rl-home xfs cc38ec94-adea-490d-b51c-d447665e0cdc 18.4G 1% /home
sr0 iso9660 Joliet Extension Rocky-9-1-x86_64-dvd 2022-11-19-03-31-31-00
[coffee@localhost ~]$
#지금의 인스턴스에는 디스크1개인 /dev/sda 1개로만 구성되어 있음을 확인 할 수 있다
#5. == growpart 설치 ==
[coffee@localhost ~]$ sudo yum install cloud-utils-growpart -y
[sudo] password for coffee:
Last metadata expiration check: 3:28:07 ago on Fri Apr 21 06:51:38 2023.
Dependencies resolved.
===========================================================================================================================================================================
Package Architecture Version Repository Size
===========================================================================================================================================================================
Installing:
cloud-utils-growpart x86_64 0.31-10.el9 appstream 31 k
Transaction Summary
===========================================================================================================================================================================
Install 1 Package
Total download size: 31 k
Installed size: 63 k
Downloading Packages:
cloud-utils-growpart-0.31-10.el9.x86_64.rpm 266 kB/s | 31 kB 00:00
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Total 44 kB/s | 31 kB 00:00
Running transaction check
Transaction check succeeded.
Running transaction test
Transaction test succeeded.
Running transaction
Preparing : 1/1
Installing : cloud-utils-growpart-0.31-10.el9.x86_64 1/1
Running scriptlet: cloud-utils-growpart-0.31-10.el9.x86_64 1/1
Verifying : cloud-utils-growpart-0.31-10.el9.x86_64 1/1
Installed:
cloud-utils-growpart-0.31-10.el9.x86_64
Complete!
[coffee@localhost ~]$
#6. == ROOT(/)가 포함되어 있는 파티션에 용량추가==
[coffee@localhost ~]$ lsblk -f
NAME FSTYPE FSVER LABEL UUID FSAVAIL FSUSE% MOUNTPOINTS
sda
├─sda1 xfs 997748d7-3f14-4b8d-ab24-0340ed496b88 797.5M 21% /boot
└─sda2 LVM2_member LVM2 001 jWFSDI-Gc5U-6da0-TEoN-CxAL-o3AY-pYZWV9
├─rl-root xfs 9b26eaf3-a227-466b-9205-f1e37460a923 36.3G 4% /
├─rl-swap swap 1 245e34bf-ec63-4156-9faa-8b2032d158fc [SWAP]
└─rl-home xfs cc38ec94-adea-490d-b51c-d447665e0cdc 18.4G 1% /home
sr0 iso9660 Joliet Extension Rocky-9-1-x86_64-dvd 2022-11-19-03-31-31-00
[coffee@localhost ~]$
#여기서 루트 볼륨은 rl-root 이다. 따라서 sda2에 추가해 줘야 한다.
[coffee@localhost ~]$ sudo growpart /dev/sda 2 #띄어쓰기 주의
CHANGED: partition=2 start=2099200 old: size=132118528 end=134217728 new: size=136312799 end=138411999
[coffee@localhost ~]$
#7. == 볼륨그룹 확인 ==
[coffee@localhost ~]$ sudo vgdisplay
--- Volume group ---
VG Name rl
System ID
Format lvm2
Metadata Areas 1
Metadata Sequence No 4
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 3
Open LV 3
Max PV 0
Cur PV 1
Act PV 1
VG Size <63.00 GiB
PE Size 4.00 MiB
Total PE 16127
Alloc PE / Size 16127 / <63.00 GiB
Free PE / Size 0 / 0
VG UUID s76JwD-iKfE-nugY-UOQA-sceH-E8Ry-q1BvMZ
[coffee@localhost ~]$
#물리파티션에 용량을 추가했지만 할당하지 않아 여유 공간이 없다.
#8. == 물리파이션에 추가한 용량을 파티션에 할당 ==
[coffee@localhost ~]$ sudo pvresize /dev/sda2
Physical volume "/dev/sda2" changed
1 physical volume(s) resized or updated / 0 physical volume(s) not resized
[coffee@localhost ~]$
[coffee@localhost ~]$ sudo vgdisplay
--- Volume group ---
VG Name rl
System ID
Format lvm2
Metadata Areas 1
Metadata Sequence No 5
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 3
Open LV 3
Max PV 0
Cur PV 1
Act PV 1
VG Size <65.00 GiB
PE Size 4.00 MiB
Total PE 16639
Alloc PE / Size 16127 / <63.00 GiB
Free PE / Size 512 / 2.00 GiB
VG UUID s76JwD-iKfE-nugY-UOQA-sceH-E8Ry-q1BvMZ
[coffee@localhost ~]$
#2.00 GiB가 추가된 것을 확인할 수 있다.
#9. == 논리볼륨(논리 파티션) 용량 확장 ==
#할당된 용량 2GB를 논리파티션 rl-root에 증설
[coffee@localhost mapper]$ sudo lvextend -r -l +100%FREE /dev/mapper/rl-root
Size of logical volume rl/root changed from <38.03 GiB (9735 extents) to <40.03 GiB (10247 extents).
Logical volume rl/root successfully resized.
meta-data=/dev/mapper/rl-root isize=512 agcount=4, agsize=2492160 blks
= sectsz=512 attr=2, projid32bit=1
= crc=1 finobt=1, sparse=1, rmapbt=0
= reflink=1 bigtime=1 inobtcount=1
data = bsize=4096 blocks=9968640, imaxpct=25
= sunit=0 swidth=0 blks
naming =version 2 bsize=4096 ascii-ci=0, ftype=1
log =internal log bsize=4096 blocks=4867, version=2
= sectsz=512 sunit=0 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
data blocks changed from 9968640 to 10492928
[coffee@localhost mapper]$
#10. == 증설 확인 ==
[coffee@localhost mapper]$ lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
sda 8:0 0 66G 0 disk
├─sda1 8:1 0 1G 0 part /boot
└─sda2 8:2 0 65G 0 part
├─rl-root 253:0 0 40G 0 lvm /
├─rl-swap 253:1 0 6.4G 0 lvm [SWAP]
└─rl-home 253:2 0 18.6G 0 lvm /home
sr0 11:0 1 1.5G 0 rom
[coffee@localhost mapper]$
[coffee@localhost mapper]$ df -h
Filesystem Size Used Avail Use% Mounted on
devtmpfs 4.0M 0 4.0M 0% /dev
tmpfs 3.8G 0 3.8G 0% /dev/shm
tmpfs 1.6G 8.6M 1.5G 1% /run
/dev/mapper/rl-root 41G 1.8G 39G 5% /
/dev/sda1 1014M 217M 798M 22% /boot
/dev/mapper/rl-home 19G 165M 19G 1% /home
tmpfs 769M 0 769M 0% /run/user/0
tmpfs 769M 0 769M 0% /run/user/1000
[coffee@localhost mapper]$
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