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VMware ESXi VM(리눅스) 하드 디스크 용량 증설
물리 디스크 증설
VM 하드 디스크 증설(120 GB -> 300 GB)
** 데이터스토어 용량 부족 이슈로 별도의 하드 디스크 추가
VM 하드 디스크 2 생성(200 GB)
논리 볼륨 관리자(LVM) 구성하기
파티션 구성
디스크 및 파티션 정보 확인
fdisk -l /dev/sdb
$ fdisk -l /dev/sdb
Disk /dev/sdb: 214.7 GB, 214748364800 bytes, 419430400 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
/dev/sdb 파티션 생성
fdisk /dev/sdb
$ fdisk /dev/sdb
n -> Enter -> Enter -> Enter -> Enter -> w
생성된 파티션 정보 확인
fdisk -l /dev/sdb
$ fdisk -l /dev/sdb
Disk /dev/sdb: 214.7 GB, 214748364800 bytes, 419430400 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 label type: dos
Disk identifier: 0xef2581e2
Device Boot Start End Blocks Id System
/dev/sdb1 2048 419430399 209714176 83 Linux
물리 볼륨(Physical Volume)
PV(물리 볼륨) 정보 확인
pvs
$ pvs
PV VG Fmt Attr PSize PFree
/dev/sda2 centos lvm2 a-- <119.00g 0
pvdisplay
$ pvdisplay
--- Physical volume ---
PV Name /dev/sda2
VG Name centos
PV Size <119.00 GiB / not usable 3.00 MiB
Allocatable yes (but full)
PE Size 4.00 MiB
Total PE 30463
Free PE 0
Allocated PE 30463
PV UUID WzmLIi-Ry2j-k73d-pvrA-Q9ke-5g1E-0HjHvd
PV(물리 볼륨) 생성
pvcreate /dev/sdb1
$ pvcreate /dev/sdb1
Physical volume "/dev/sdb1" successfully created.
생성된 PV(물리 볼륨) 정보 확인
pvs
$ pvs
PV VG Fmt Attr PSize PFree
/dev/sda2 centos lvm2 a-- <119.00g 0
/dev/sdb1 centos lvm2 a-- <200.00g <200.00g
pvdisplay
$ pvdisplay
--- Physical volume ---
PV Name /dev/sda2
VG Name centos
PV Size <119.00 GiB / not usable 3.00 MiB
Allocatable yes (but full)
PE Size 4.00 MiB
Total PE 30463
Free PE 0
Allocated PE 30463
PV UUID WzmLIi-Ry2j-k73d-pvrA-Q9ke-5g1E-0HjHvd
"/dev/sdb1" is a new physical volume of "<200.00 GiB"
--- NEW Physical volume ---
PV Name /dev/sdb1
VG Name
PV Size <200.00 GiB
Allocatable NO
PE Size 0
Total PE 0
Free PE 0
Allocated PE 0
PV UUID 0GxagH-TpRu-Qd3s-7t3S-KNTD-iZXD-cAFHAS
볼륨 그룹(Volume Group)
VG(볼륨 그룹) 정보 확인
vgs
$ vgs
VG #PV #LV #SN Attr VSize VFree
centos 1 2 0 wz--n- <119.00g 0
vgdisplay
$ vgdisplay
--- Volume group ---
VG Name centos
System ID
Format lvm2
Metadata Areas 1
Metadata Sequence No 3
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 2
Open LV 2
Max PV 0
Cur PV 1
Act PV 1
VG Size <119.00 GiB
PE Size 4.00 MiB
Total PE 30463
Alloc PE / Size 30463 / <119.00 GiB
Free PE / Size 0 / 0
VG UUID Ua9i3r-AcCb-0SjS-fjov-QbRG-HMzu-Zvs8VT
VG(볼륨 그룹) 확장
vgextend centos /dev/sdb1
$ vgextend centos /dev/sdb1
Volume group "centos" successfully extended
확장된 VG(볼륨 그룹) 정보 확인
vgs
$ vgs
VG #PV #LV #SN Attr VSize VFree
centos 2 2 0 wz--n- 318.99g <200.00g
vgdisplay
$ vgdisplay
--- Volume group ---
VG Name centos
System ID
Format lvm2
Metadata Areas 2
Metadata Sequence No 4
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 2
Open LV 2
Max PV 0
Cur PV 2
Act PV 2
VG Size 318.99 GiB
PE Size 4.00 MiB
Total PE 81662
Alloc PE / Size 30463 / <119.00 GiB
Free PE / Size 51199 / <200.00 GiB
VG UUID Ua9i3r-AcCb-0SjS-fjov-QbRG-HMzu-Zvs8VT
논리 볼륨(Logical Volume)
LV(논리 볼륨) 정보 확인
lvs
$ lvs
LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert
root centos -wi-ao---- <111.00g
swap centos -wi-ao---- 8.00g
lvdisplay
$ lvdisplay
--- Logical volume ---
LV Path /dev/centos/swap
LV Name swap
VG Name centos
LV UUID Lysew0-r4td-ZDfH-U3CW-dvC9-I20P-vZuhnt
LV Write Access read/write
LV Creation host, time serv-203, 2022-03-03 11:36:18 +0900
LV Status available
# open 2
LV Size 8.00 GiB
Current LE 2048
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 8192
Block device 253:1
--- Logical volume ---
LV Path /dev/centos/root
LV Name root
VG Name centos
LV UUID diFdl0-h8bc-NI3A-LBqM-oRw6-fzkf-IBp59G
LV Write Access read/write
LV Creation host, time serv-203, 2022-03-03 11:36:18 +0900
LV Status available
# open 1
LV Size <111.00 GiB
Current LE 28415
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 8192
Block device 253:0
기존 LV(논리 볼륨) 확장
lvextend -l +100%FREE /dev/centos/root
$ lvextend -l +100%FREE /dev/centos/root
Size of logical volume centos/root changed from <111.00 GiB (28415 extents) to 310.99 GiB (79614 extents).
Logical volume centos/root successfully resized.
확장된 LV(논리 볼륨) 정보 확인
$ lvs
LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert
root centos -wi-ao---- 310.99g
swap centos -wi-ao---- 8.00g
$ lvdisplay
--- Logical volume ---
LV Path /dev/centos/swap
LV Name swap
VG Name centos
LV UUID Lysew0-r4td-ZDfH-U3CW-dvC9-I20P-vZuhnt
LV Write Access read/write
LV Creation host, time serv-203, 2022-03-03 11:36:18 +0900
LV Status available
# open 2
LV Size 8.00 GiB
Current LE 2048
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 8192
Block device 253:1
--- Logical volume ---
LV Path /dev/centos/root
LV Name root
VG Name centos
LV UUID diFdl0-h8bc-NI3A-LBqM-oRw6-fzkf-IBp59G
LV Write Access read/write
LV Creation host, time serv-203, 2022-03-03 11:36:18 +0900
LV Status available
# open 1
LV Size 310.99 GiB
Current LE 79614
Segments 2
Allocation inherit
Read ahead sectors auto
- currently set to 8192
Block device 253:0
파일시스템(Filesystem)
스토리지 디바이스 정보 확인
lsblk
$ lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 120G 0 disk
├─sda1 8:1 0 1G 0 part /boot
└─sda2 8:2 0 119G 0 part
├─centos-root 253:0 0 311G 0 lvm /
└─centos-swap 253:1 0 8G 0 lvm [SWAP]
sdb 8:16 0 200G 0 disk
└─sdb1 8:17 0 200G 0 part
└─centos-root 253:0 0 311G 0 lvm /
sr0 11:0 1 1024M 0 rom
-f 옵션으로 파일시스템 정보 확인
lsblk -f
$ lsblk -f
NAME FSTYPE LABEL UUID MOUNTPOINT
sda
├─sda1 xfs efca6237-2489-42a9-b4d2-f09d324e3512 /boot
└─sda2 LVM2_member WzmLIi-Ry2j-k73d-pvrA-Q9ke-5g1E-0HjHvd
├─centos-root xfs 6ed0780f-08ef-40b7-9025-b0506926e0ce /
└─centos-swap swap 09510e97-1235-4d5d-a908-5d7a68729438 [SWAP]
sdb
└─sdb1 LVM2_member 0GxagH-TpRu-Qd3s-7t3S-KNTD-iZXD-cAFHAS
└─centos-root xfs 6ed0780f-08ef-40b7-9025-b0506926e0ce /
sr0
파일시스템 용량 확인
df -Th | egrep -v tmpfs
$ df -Th | egrep -v tmpfs
Filesystem Type Size Used Avail Use% Mounted on
/dev/mapper/centos-root xfs 111G 65G 47G 59% /
/dev/sda1 xfs 1014M 171M 844M 17% /boot
파일시스템 확장
xfs_growfs -d /
$ xfs_growfs -d /
meta-data=/dev/mapper/centos-root isize=512 agcount=4, agsize=7274240 blks
= sectsz=512 attr=2, projid32bit=1
= crc=1 finobt=0 spinodes=0
data = bsize=4096 blocks=29096960, imaxpct=25
= sunit=0 swidth=0 blks
naming =version 2 bsize=4096 ascii-ci=0 ftype=1
log =internal bsize=4096 blocks=14207, version=2
= sectsz=512 sunit=0 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
data blocks changed from 29096960 to 81524736
확장된 파일시스템 용량 확인
$ df -Th | egrep -v tmpfs
Filesystem Type Size Used Avail Use% Mounted on
/dev/mapper/centos-root xfs 311G 65G 247G 21% /
/dev/sda1 xfs 1014M 171M 844M 17% /boot
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