가상화 서버 ROOT Disk 증설
- LVM 구성이 아닌 할당 받은 Disk 자체를 ROOT로 생성하여 증설
작업 순서
[root@test ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 150G 0 disk
├─sda1 8:1 0 1G 0 part /boot
├─sda2 8:2 0 2G 0 part [SWAP]
└─sda3 8:3 0 27G 0 part /
sdb 8:16 0 10G 0 disk
└─sdb1 8:17 0 10G 0 part
└─vg01-lvol01 253:0 0 150G 0 lvm /test_home
sdc 8:32 0 140G 0 disk
└─sdc1 8:33 0 140G 0 part
└─vg01-lvol01 253:0 0 150G 0 lvm /test_home
sr0 11:0 1 1024M 0 rom
[root@test ~]# blkid
/dev/sda1: UUID="3a123922-f0ec-4744-8645-17c1f91b2246" TYPE="xfs"
/dev/sda2: UUID="8449df3f-b78f-4d5a-9a2b-7b5da02f29ee" TYPE="swap"
/dev/sda3: UUID="f81b791a-05eb-492d-a933-37d13bfb4615" TYPE="xfs"
/dev/sdb1: UUID="UdlKsE-8KDS-J8vF-NmrB-Nekr-oNu3-lIUQTg" TYPE="LVM2_member"
/dev/sdc1: UUID="FHeH5O-h9mf-isrH-QULa-1QFK-bYD1-JhjMmV" TYPE="LVM2_member"
/dev/mapper/vg01-lvol01: UUID="d1558fbe-be67-4573-b3f3-75d3514f028e" TYPE="xfs"
[root@test ~]# fdisk -l
Disk /dev/sda: 161.1 GB, 161061273600 bytes, 314572800 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: 0x000b2a45
Device Boot Start End Blocks Id System
/dev/sda1 * 2048 2099199 1048576 83 Linux
/dev/sda2 2099200 6295551 2098176 82 Linux swap / Solaris
/dev/sda3 6295552 62914559 28309504 83 Linux
Disk /dev/sdb: 10.7 GB, 10737418240 bytes, 20971520 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: 0x2d3f3f95
Device Boot Start End Blocks Id System
/dev/sdb1 2048 20971519 10484736 8e Linux LVM
Disk /dev/sdc: 150.3 GB, 150323855360 bytes, 293601280 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: 0x16b84fad
Device Boot Start End Blocks Id System
/dev/sdc1 2048 293601279 146799616 8e Linux LVM
Disk /dev/mapper/vg01-lvol01: 161.1 GB, 161052884992 bytes, 314556416 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
[root@test ~]# fdisk /dev/sda
Welcome to fdisk (util-linux 2.23.2).
Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.
Command (m for help): p
Disk /dev/sda: 161.1 GB, 161061273600 bytes, 314572800 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: 0x000b2a45
Device Boot Start End Blocks Id System
/dev/sda1 * 2048 2099199 1048576 83 Linux
/dev/sda2 2099200 6295551 2098176 82 Linux swap / Solaris
/dev/sda3 6295552 62914559 28309504 83 Linux
Command (m for help): d
Partition number (1-3, default 3): 3
Partition 3 is deleted
Command (m for help): n
Partition type:
p primary (2 primary, 0 extended, 2 free)
e extended
Select (default p): p
Partition number (3,4, default 3): 3
First sector (6295552-314572799, default 6295552):
Using default value 6295552
Last sector, +sectors or +size{K,M,G} (6295552-314572799, default 314572799):
Using default value 314572799
Partition 3 of type Linux and of size 147 GiB is set
Command (m for help): w
The partition table has been altered!
Calling ioctl() to re-read partition table.
WARNING: Re-reading the partition table failed with error 16: Device or resource busy.
The kernel still uses the old table. The new table will be used at
the next reboot or after you run partprobe(8) or kpartx(8)
Syncing disks.
[root@test ~]# df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/sda3 28295684 6504600 21791084 23% /
/dev/sda1 1038336 129424 908912 13% /boot
/dev/mapper/vg01-lvol01 157267968 35836 157232132 1% /test_home
[root@test ~]# reboot
[root@test /]# xfs_growfs /
meta-data=/dev/sda3 isize=512 agcount=4, agsize=1769344 blks
= sectsz=512 attr=2, projid32bit=1
= crc=1 finobt=0 spinodes=0
data = bsize=4096 blocks=7077376, imaxpct=25
= sunit=0 swidth=0 blks
naming =version 2 bsize=4096 ascii-ci=0 ftype=1
log =internal bsize=4096 blocks=3455, version=2
= sectsz=512 sunit=0 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
data blocks changed from 7077376 to 38534656
[root@test /]# df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/sda3 154124804 6505812 147618992 5% /
/dev/sda1 1038336 129424 908912 13% /boot
/dev/mapper/vg01-lvol01 157267968 35836 157232132 1% /test_home
남자다