Virtualbox LVM 확장

1단계 : virtualbox에서 볼륨 확장

 

2단계 : lsblk  용량확인

$ lsblk
NAME                      MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT
sda                         8:0    0  101G  0 disk
├─sda1                      8:1    0    1G  0 part /boot
└─sda2                      8:2    0   79G  0 part
  ├─cl-linux-root 253:0    0   75G  0 lvm  /
  └─cl-linux-swap 253:1    0    4G  0 lvm  [SWAP]
sr0                        11:0    1 1024M  0 rom

 

3단계 : fdisk 

$ fdisk /dev/sda


Welcome to fdisk (util-linux 2.32.1).
Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.


Command (m for help): n
Partition type
   p   primary (2 primary, 0 extended, 2 free)
   e   extended (container for logical partitions)
Select (default p):

Using default response p.
Partition number (3,4, default 3): 4
First sector (167772160-211739903, default 167772160):
Last sector, +sectors or +size{K,M,G,T,P} (167772160-211739903, default 211739903):

Created a new partition 4 of type 'Linux' and of size 21 GiB.

Command (m for help): w
The partition table has been altered.
Syncing disks.


$ lsblk
NAME                      MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT
sda                         8:0    0  101G  0 disk
├─sda1                      8:1    0    1G  0 part /boot
├─sda2                      8:2    0   79G  0 part
│ ├─cl_uptrio--linux-root 253:0    0   75G  0 lvm  /
│ └─cl_uptrio--linux-swap 253:1    0    4G  0 lvm  [SWAP]
└─sda4                      8:4    0   21G  0 part
sr0                        11:0    1 1024M  0 rom

 

4단계: pvscan & pv create

$ pvscan
  PV /dev/sda2   VG cl-linux   lvm2 [<79.00 GiB / 0    free]
  Total: 1 [<79.00 GiB] / in use: 1 [<79.00 GiB] / in no VG: 0 [0   ]
  
  
$ pvcreate /dev/sda4
  Physical volume "/dev/sda4" successfully created.

$ pvscan
  PV /dev/sda2   VG cl-linux   lvm2 [<79.00 GiB / 0    free]
  PV /dev/sda4                        lvm2 [<20.97 GiB]
  Total: 2 [99.96 GiB] / in use: 1 [<79.00 GiB] / in no VG: 1 [<20.97 GiB]

5.단계: vgdisplay

$ vgdisplay cl-linux | grep 'VG Size'
  VG Size               <79.00 GiB

6.단계 : vgextend

$ vgextend cl-linux /dev/sda4
  Volume group "cl-linux" successfully extended
  
$ pvscan
  PV /dev/sda2   VG cl-linux   lvm2 [<79.00 GiB / 0    free]
  PV /dev/sda4   VG cl-linux   lvm2 [20.96 GiB / 20.96 GiB free]
  Total: 2 [<99.96 GiB] / in use: 2 [<99.96 GiB] / in no VG: 0 [0   ]
  
  
 $ vgdisplay cl-linux | grep 'VG Size'
  VG Size               <99.96 GiB

7. lv 확장

$ lvscan
  ACTIVE            '/dev/cl-linux/root' [<75.04 GiB] inherit
  ACTIVE            '/dev/cl-linux/swap' [3.96 GiB] inherit

$ lvextend -l +100%FREE -n /dev/cl-linux/root
  Size of logical volume cl-linux/root changed from <75.04 GiB (19209 extents) to <96.00 GiB (24575 extents).
  Logical volume cl-linux/root successfully resized.

$ lvscan
  ACTIVE            '/dev/cl-linux/root' [<96.00 GiB] inherit
  ACTIVE            '/dev/cl-linux/swap' [3.96 GiB] inherit

 

8.  xfs_growfs

$ df | grep linux-root
/dev/mapper/cl--linux-root  78641648 57616276  21025372  74% /


$ xfs_growfs /dev/cl-linux/root
meta-data=/dev/mapper/cl--linux-root isize=512    agcount=4, agsize=4917504 blks
         =                       sectsz=512   attr=2, projid32bit=1
         =                       crc=1        finobt=1, sparse=1, rmapbt=0
         =                       reflink=1
data     =                       bsize=4096   blocks=19670016, imaxpct=25
         =                       sunit=0      swidth=0 blks
naming   =version 2              bsize=4096   ascii-ci=0, ftype=1
log      =internal log           bsize=4096   blocks=9604, version=2
         =                       sectsz=512   sunit=0 blks, lazy-count=1
realtime =none                   extsz=4096   blocks=0, rtextents=0
data blocks changed from 19670016 to 25164800


$ df | grep linux-root
/dev/mapper/cl--linux-root 100620784 57769664  42851120  58% /