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[root@vmhost ~]# qemu-img create -f qcow2 065_msgr_data.qcow2 50G
Formatting '065_msgr_data.qcow2', fmt=qcow2 size=53687091200 cluster_size=65536 lazy_refcounts=off refcount_bits=16ls
[root@centos ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
vda 252:0 0 50G 0 disk
└─vda1 252:1 0 7.8G 0 part /
[root@centos ~]# growpart /dev/vda 1
CHANGED: partition=1 start=2048 old: size=16384000 end=16386048 new: size=104855519 end=104857567
[root@centos ~]# xfs_growfs -d /dev/vda1
meta-data=/dev/vda1 isize=512 agcount=4, agsize=512000 blks
= sectsz=512 attr=2, projid32bit=1
= crc=1 finobt=1, sparse=1, rmapbt=0
= reflink=1
data = bsize=4096 blocks=2048000, imaxpct=25
= sunit=0 swidth=0 blks
naming =version 2 bsize=4096 ascii-ci=0, ftype=1
log =internal log bsize=4096 blocks=2560, version=2
= sectsz=512 sunit=0 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
data blocks changed from 2048000 to 13106939
[root@centos ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
vda 252:0 0 50G 0 disk
└─vda1 252:1 0 50G 0 part / |
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# lsblk /dev/sda
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
sda 8:0 0 2.2G 0 disk
├─sda1 8:1 0 2.1G 0 part /
├─sda14 8:14 0 4M 0 part
└─sda15 8:15 0 106M 0 part /boot/efi
# mount | grep sda1
/dev/sda1 on / type ext4 (rw,relatime,discard,errors=remount-ro)
### oVirt 에서 디스크 확장
# lsblk /dev/sda
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
sda 8:0 0 20G 0 disk
├─sda1 8:1 0 2.1G 0 part /
├─sda14 8:14 0 4M 0 part
└─sda15 8:15 0 106M 0 part /boot/efi
### 파티션 확장
# growpart /dev/sda 1
CHANGED: partition=1 start=227328 old: size=4384735 end=4612063 new: size=41715679 end=41943007
# lsblk /dev/sda
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
sda 8:0 0 20G 0 disk
├─sda1 8:1 0 19.9G 0 part /
├─sda14 8:14 0 4M 0 part
└─sda15 8:15 0 106M 0 part /boot/efi
### 파일시스템은 그대로임
# df -h /dev/sda1
Filesystem Size Used Avail Use% Mounted on
/dev/sda1 2.0G 1.6G 378M 82% /
### 파일시스템 확장
# resize2fs /dev/sda1
resize2fs 1.46.5 (30-Dec-2021)
Filesystem at /dev/sda1 is mounted on /; on-line resizing required
old_desc_blocks = 1, new_desc_blocks = 3
The filesystem on /dev/sda1 is now 5214459 (4k) blocks long.
# df -h /dev/sda1
Filesystem Size Used Avail Use% Mounted on
/dev/sda1 20G 1.6G 18G 9% / |