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Oracle 23ai 신기능
무료 세미나 발표자료
다운로드
trending_flat
OS환경 : Oracle Linux 7.4 (64bit)
방법 : 리눅스7 새로넣은 디스크 mount 시키기
fdisk -l 로 디스크 확인
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# fdisk -l
Disk /dev/sdb: 21.5 GB, 21474836480 bytes, 41943040 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: 0x7ced59ba
Device Boot Start End Blocks Id System
Disk /dev/sda: 53.7 GB, 53687091200 bytes, 104857600 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: 0x000f0d7f
Device Boot Start End Blocks Id System
/dev/sda1 * 2048 1026047 512000 83 Linux
/dev/sda2 1026048 104857599 51915776 8e Linux LVM
Disk /dev/mapper/ol-root: 44.8 GB, 44770000896 bytes, 87441408 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 /dev/mapper/ol-swap: 8388 MB, 8388608000 bytes, 16384000 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
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20GB 디스크를 추가한 상태
/dev/sdb 부분 확인
fdisk 명령으로 파티션 설정
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# fdisk /dev/sdb
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): n {n 입력}
Partition type:
p primary (0 primary, 0 extended, 4 free)
e extended
Select (default p): p {p 입력}
Partition number (1-4, default 1): 1 {1 입력}
First sector (2048-41943039, default 2048): {엔터 입력}
Using default value 2048
Last sector, +sectors or +size{K,M,G} (2048-41943039, default 41943039): {엔터 입력}
Using default value 41943039
Partition 1 of type Linux and of size 20 GiB is set
Command (m for help): w {w 입력}
The partition table has been altered!
Calling ioctl() to re-read partition table.
Syncing disks.
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n
p
1
엔터
엔터
w
로 설정
fdisk -l 로 디스크 확인
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# fdisk -l
Disk /dev/sdb: 21.5 GB, 21474836480 bytes, 41943040 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: 0x7ced59ba
Device Boot Start End Blocks Id System
/dev/sdb1 2048 41943039 20970496 83 Linux
Disk /dev/sda: 53.7 GB, 53687091200 bytes, 104857600 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: 0x000f0d7f
Device Boot Start End Blocks Id System
/dev/sda1 * 2048 1026047 512000 83 Linux
/dev/sda2 1026048 104857599 51915776 8e Linux LVM
Disk /dev/mapper/ol-root: 44.8 GB, 44770000896 bytes, 87441408 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 /dev/mapper/ol-swap: 8388 MB, 8388608000 bytes, 16384000 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
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/dev/sdb1 이 만들어짐
현재 사용중인 파일시스템 확인
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# df -Th
Filesystem Type Size Used Avail Use% Mounted on
devtmpfs devtmpfs 3.9G 0 3.9G 0% /dev
tmpfs tmpfs 3.9G 0 3.9G 0% /dev/shm
tmpfs tmpfs 3.9G 9.3M 3.9G 1% /run
tmpfs tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup
/dev/mapper/ol-root xfs 42G 26G 17G 61% /
/dev/sda1 xfs 497M 205M 292M 42% /boot
tmpfs tmpfs 797M 12K 797M 1% /run/user/42
tmpfs tmpfs 797M 0 797M 0% /run/user/0
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xfs 파일시스템을 사용중임(Linux 7 기본 Filesystem xfs)
linux 6 버전까지는 ext4를 사용하였음
xfs 파일시스템으로 포맷
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# mkfs.xfs /dev/sdb1
mkfs.xfs: /dev/sdb1 appears to contain an existing filesystem (ext4).
mkfs.xfs: Use the -f option to force overwrite.
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테스트 시 잘못만들어서 ext4로 생성됨
위 메세지가 발생할 경우 -f 옵션을 주고 오버라이팅 시키면됨
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# mkfs.xfs -f /dev/sdb1
meta-data=/dev/sdb1 isize=256 agcount=4, agsize=1310656 blks
= sectsz=512 attr=2, projid32bit=1
= crc=0 finobt=0, sparse=0
data = bsize=4096 blocks=5242624, 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
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마운트 할 경로 생성
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# mkdir /oradata1
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마운트 및 확인
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# mount /dev/sdb1 /oradata1
# df -Th
Filesystem Type Size Used Avail Use% Mounted on
devtmpfs devtmpfs 3.9G 0 3.9G 0% /dev
tmpfs tmpfs 3.9G 0 3.9G 0% /dev/shm
tmpfs tmpfs 3.9G 9.3M 3.9G 1% /run
tmpfs tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup
/dev/mapper/ol-root xfs 42G 26G 17G 61% /
/dev/sda1 xfs 497M 205M 292M 42% /boot
tmpfs tmpfs 797M 12K 797M 1% /run/user/42
tmpfs tmpfs 797M 0 797M 0% /run/user/0
/dev/sdb1 xfs 20G 33M 20G 1% /oradata1
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정상적으로 마운트됨
시스템 재시작 후에도 마운트를 유지하기 위해 /etc/fstab 내용을 수정
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# vi /etc/fstab
#
# /etc/fstab
# Created by anaconda on Thu Apr 9 20:41:12 2020
#
# Accessible filesystems, by reference, are maintained under '/dev/disk'
# See man pages fstab(5), findfs(8), mount(8) and/or blkid(8) for more info
#
/dev/mapper/ol-root / xfs defaults 0 0
UUID=399e361f-d4f9-4ca4-871c-8dbe3dd74f63 /boot xfs defaults 0 0
/dev/mapper/ol-swap swap swap defaults 0 0
/dev/sdb1 /oradata1 xfs defaults 0 0
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파란색 표시한 내용 추가 후 저장
참조 : 리눅스6 새로넣은 디스크 mount 시키기 https://positivemh.tistory.com/259
https://m.blog.naver.com/tequini/221158559907
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