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feat: add virtualbox-centos-disk.mdx
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‎posts/etc/virtualbox-centos-disk.mdx‎

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---
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title: "Virtualbox CentOS Disk 용량 늘리기"
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date: "2020-05-22"
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tags: ["Etc", "Study"]
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summary: "Correcting the Insufficient Capacity of CentOS Disks in Virtual Box"
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description: "Virtualbox에서 CentOS 용량이 부족한 경우 해결하기"
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---
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:::info
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개인적으로 리눅스 환경에서 개발하는 것을 선호하는데, 대부분의 프로그램들이 리눅스 서버에서 동작하기도 하며,
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많은 오픈 소스들이 리눅스 환경에서 개발되었기 때문이다. 때론, 윈도우에서 가상 머선으로 개발환경을 구축해서 개발을 진행했었는데,
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Virtualbox의 용량을 20GB 로 하였지만.. Disk Full 현상을 만나게 되었고, 여유롭게 40GB로 확장하는 방법을 정리해보았다.
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:::
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### 용량 확인
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---
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```shell
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[root@server02 cloudera-scm-server]# df -h
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Filesystem Size Used Avail Use% Mounted on
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/dev/mapper/vg_develop-lv_root
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18G 15G 1.4G 92% /
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tmpfs 3.9G 72K 3.9G 1% /dev/shm
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/dev/sda1 477M 79M 373M 18% /boot
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cm_processes 3.9G 12M 3.9G 1% /var/run/cloudera-scm-agent/process
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```
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### Step1. 가상머신 전원 Off
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---
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<div style={{ textAlign: 'center' }}>
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<img src="/img/post/etc/virtualbox/disk.png" alt="virtualbox" style={{ display: 'inline-block' }} />
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</div>
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### Step2. Windows 명령 프롬프트에서 VirtualBox가 설치 된 폴더로 이동
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---
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VirtualBox를 설치할 때 default로 설치하였다면, **C:\Program Files\Oracle\VirtualBox** 의 경로에 설치 되어 있다.
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### Step3. 가상 디스크 파일의 크기를 조정하는 명령어를 입력한다.
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---
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```shell
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VBoxManage modifyhd "D:\Disk\VM\centos2\centos2.vdi" --resize 40960
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```
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<div style={{ textAlign: 'center' }}>
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<img src="/img/post/etc/virtualbox/cmd.png" alt="cmd" style={{ display: 'inline-block' }} />
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</div>
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### Step4. VirtualBox 실행 후 용량 확인
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---
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```shell
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root@server02 develop]# fdisk -l
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Disk /dev/sda: 42.9 GB, 42949672960 bytes
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255 heads, 63 sectors/track, 5221 cylinders
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Units = cylinders of 16065 * 512 = 8225280 bytes
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Sector size (logical/physical): 512 bytes / 512 bytes
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I/O size (minimum/optimal): 512 bytes / 512 bytes
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Disk identifier: 0x000aab80
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```
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### Step5. 파티션 설정
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---
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```shell
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[root@server02 develop]# fdisk /dev/sda
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WARNING: DOS-compatible mode is deprecated. It's strongly recommended to
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switch off the mode (command 'c') and change display units to
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sectors (command 'u').
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Command (m for help): p
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Disk /dev/sda: 42.9 GB, 42949672960 bytes
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255 heads, 63 sectors/track, 5221 cylinders
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Units = cylinders of 16065 * 512 = 8225280 bytes
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Sector size (logical/physical): 512 bytes / 512 bytes
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I/O size (minimum/optimal): 512 bytes / 512 bytes
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Disk identifier: 0x000aab80
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Device Boot Start End Blocks Id System
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/dev/sda1 * 1 64 512000 83 Linux
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Partition 1 does not end on cylinder boundary.
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/dev/sda2 64 2611 20458496 8e Linux LVM
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Command (m for help): n
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Command action
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e extended
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p primary partition (1-4)
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p
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Partition number (1-4): 3
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First cylinder (2611-5221, default 2611): 2611
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Last cylinder, +cylinders or +size{K,M,G} (2611-5221, default 5221): 5221
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Command (m for help): t
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Partition number (1-4): 3
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Hex code (type L to list codes): 0x8e
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Type 0 means free space to many systems
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(but not to Linux). Having partitions of
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type 0 is probably unwise. You can delete
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a partition using the `d' command.
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Changed system type of partition 3 to 0 (Empty)
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Command (m for help): w
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The partition table has been altered!
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Calling ioctl() to re-read partition table.
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WARNING: Re-reading the partition table failed with error 16: 장치나 자원이 동작 중.
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The kernel still uses the old table. The new table will be used at
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the next reboot or after you run partprobe(8) or kpartx(8)
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Syncing disks.
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```
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### Step6. 가상머신 OS 재부팅
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---
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```shell
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[root@server02 develop]# reboot
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```
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### Step7. 새로운 물리 볼륨 생성(볼륨을 sda3으로 생성)
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---
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```shell
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[root@server02 develop]# pvcreate /dev/sda3
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Physical volume "/dev/sda3" successfully created
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[root@server02 develop]# vgextend vg_develop-ly_root /dev/sda3
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```
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### Step8. 새 파티션을 볼륨 그룹에 추가
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---
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```shell
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[root@server02 develop]# vgextend vg_develop /dev/sda3
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Found duplicate PV xwu1FT418a7uKRvasGd2z8AmJ9JDXWVI: using /dev/sda4 not /dev/sda3
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Using duplicate PV /dev/sda4 which is last seen, replacing /dev/sda3
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Found duplicate PV xwu1FT418a7uKRvasGd2z8AmJ9JDXWVI: using /dev/sda3 not /dev/sda4
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Using duplicate PV /dev/sda3 which is last seen, replacing /dev/sda4
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Found duplicate PV xwu1FT418a7uKRvasGd2z8AmJ9JDXWVI: using /dev/sda4 not /dev/sda3
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Using duplicate PV /dev/sda4 which is last seen, replacing /dev/sda3
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Found duplicate PV xwu1FT418a7uKRvasGd2z8AmJ9JDXWVI: using /dev/sda3 not /dev/sda4
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Using duplicate PV /dev/sda3 which is last seen, replacing /dev/sda4
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Found duplicate PV xwu1FT418a7uKRvasGd2z8AmJ9JDXWVI: using /dev/sda4 not /dev/sda3
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Using duplicate PV /dev/sda4 which is last seen, replacing /dev/sda3
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Physical volume "/dev/sda3" successfully created
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Volume group "vg_develop" successfully extended
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```
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### Step9. 파티션 확장
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---
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```shell
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[root@server02 develop]# lvextend -L +19G /dev/mapper/vg_develop-lv_root
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Found duplicate PV 3V6e6wnIHbuSgOODKFgVQ1eGV7miy5uC: using /dev/sda4 not /dev/sda3
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Using duplicate PV /dev/sda4 which is last seen, replacing /dev/sda3
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Size of logical volume vg_develop/lv_root changed from 17.51 GiB (4482 extents) to 36.51 GiB (9346 extents).
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Logical volume lv_root successfully resized.
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```
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### Step10. 파티션 크기 조정
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---
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```shell
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[root@server02 develop]# resize2fs /dev/mapper/vg_develop-lv_root
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resize2fs 1.41.12 (17-May-2010)
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Filesystem at /dev/mapper/vg_develop-lv_root is mounted on /; on-line resizing required
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old desc_blocks = 2, new_desc_blocks = 3
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Performing an on-line resize of /dev/mapper/vg_develop-lv_root to 9570304 (4k) blocks.
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The filesystem on /dev/mapper/vg_develop-lv_root is now 9570304 blocks long.
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```
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### Step11. 확인
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---
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```shell
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[root@server02 develop]# df -h
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Filesystem Size Used Avail Use% Mounted on
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/dev/mapper/vg_develop-lv_root
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36G 15G 20G 44% /
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tmpfs 3.9G 80K 3.9G 1% /dev/shm
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/dev/sda1 477M 79M 373M 18% /boot
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cm_processes 3.9G 5.4M 3.9G 1% /var/run/cloudera-scm-agent/process
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```

‎public/img/post/etc/virtualbox/cmd.png‎

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‎public/img/post/etc/virtualbox/disk.png‎

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