임시 DB서버가 용량이 거의 찬듯하다
추가로 USB를 설치하여 DB 백업용으로 사용하기 위해 아래와 같이 설정한다
USB 인식 확인
[root@localhost bin]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 1.8T 0 disk
└─sda1 8:1 0 1.8T 0 part
├─centos-root 253:0 0 1.9T 0 lvm /
├─centos-swap 253:1 0 7.5G 0 lvm [SWAP]
├─centos-var 253:2 0 9.3G 0 lvm /var
└─centos-home 253:3 0 9.3G 0 lvm /home
sdb 8:16 0 111.8G 0 disk
├─sdb1 8:17 0 488M 0 part /boot
└─sdb2 8:18 0 111.3G 0 part
└─centos-root 253:0 0 1.9T 0 lvm /
sdc 8:32 1 29.4G 0 disk
└─sdc1 8:33 1 29.4G 0 part
sr0 11:0 1 1024M 0 rom
[root@localhost bin]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 1.8T 0 disk
└─sda1 8:1 0 1.8T 0 part
├─centos-root 253:0 0 1.9T 0 lvm /
├─centos-swap 253:1 0 7.5G 0 lvm [SWAP]
├─centos-var 253:2 0 9.3G 0 lvm /var
└─centos-home 253:3 0 9.3G 0 lvm /home
sdb 8:16 0 111.8G 0 disk
├─sdb1 8:17 0 488M 0 part /boot
└─sdb2 8:18 0 111.3G 0 part
└─centos-root 253:0 0 1.9T 0 lvm /
sr0 11:0 1 1024M 0 rom
[root@localhost bin]#lsblk 명령어를 입력하면 설치된 디스트 정보가 보인다. -f 옵션을 추가하면 더 많은 정보가 보인다.
[root@localhost bin]# lsblk -f
NAME FSTYPE LABEL UUID MOUNTPOINT
sda
└─sda1 LVM2_mem pxgx2f-f2lp-jg3a-mFZe-0pEu-wcAT-pm2ivH
├─centos-root xfs e2c68c33-f69b-443b-b500-d7ed00ea1656 /
├─centos-swap swap ec5bb185-d8ef-4054-92bd-dad8eeb1039a [SWAP]
├─centos-var xfs 363b3039-585a-4674-ae29-d9e082e99bb6 /var
└─centos-home xfs 1d12fd44-59f4-4dba-8d5f-adf98647f111 /home
sdb
├─sdb1 xfs 8dacd01a-8273-453e-b52a-a5d049739b42 /boot
└─sdb2 LVM2_mem Rwx8jf-g6aL-4mdk-5h0b-2zVJ-i1U7-glF69A
└─centos-root xfs e2c68c33-f69b-443b-b500-d7ed00ea1656 /
sdc
└─sdc1 vfat SONNY_32GB
EA23-472C
sr0
[root@localhost bin]#소니 USB 32GB 용량의 USB가 화면에 보인다. 참조
USB디스크를 마운트하기전 디렉토리를 하나 만들고...
그 다음에 마운트 한다.
[root@localhost bin]# mkdir /home/usb
[root@localhost bin]# ls -al /home/usb
total 0
drwxr-xr-x. 2 root root 6 Sep 27 11:40 .
drwxr-xr-x. 5 root root 47 Sep 27 11:40 ..
[root@localhost bin]#
[root@localhost bin]#
[root@localhost bin]# mount /dev/sdc1 /home/usb
[root@localhost bin]# ls -al /home/usb
total 13008
drwxr-xr-x. 2 root root 16384 Feb 12 2020 ??
drwxr-xr-x. 10 root root 16384 Jan 1 1970 .
drwxr-xr-x. 5 root root 47 Sep 27 11:40 ..
-rwxr-xr-x. 1 root root 3496402 Aug 12 2019 8? PID ????.pdf
drwxr-xr-x. 4 root root 16384 May 6 2018 Android
-rwxr-xr-x. 1 root root 1699858 Aug 12 2019 Arduino UNO?? ESP8266 WiFi ??? ???? ?? __ ???? ?????.pdf
drwxr-xr-x. 3 root root 16384 Jan 11 2019 BCQRE
-rwxr-xr-x. 1 root root 2833672 Jul 21 2018 CrystalDiskMark5_5_0.exe
-rwxr-xr-x. 1 root root 2787 Jan 4 2019 DHT.zip
drwxr-xr-x. 3 root root 16384 Jan 11 2019 NPKI
-rwxr-xr-x. 1 root root 2661608 Jul 29 2019 ??? ?? ???? ??? ??? ?? ???.pdf
-rwxr-xr-x. 1 root root 15432 May 29 2019 ?????.png
drwxr-xr-x. 3 root root 16384 Jan 11 2019 SGASolutions
drwxr-xr-x. 2 root root 16384 Sep 22 05:59 System Volume Information
drwxr-xr-x. 7 root root 16384 Feb 12 2020 teraterm
drwxr-xr-x. 2 root root 16384 Feb 12 2020 VCard
-rwxr-xr-x. 1 root root 2424827 Aug 12 2019 [???? ??] WIFI ESP8266(ESP-01) ?? ???? ???? _ ??? ???.pdf
[root@localhost bin]#
[root@localhost bin]#
[root@localhost bin]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/centos-root 2.0T 1.8G 1.9T 1% /
devtmpfs 890M 0 890M 0% /dev
tmpfs 902M 0 902M 0% /dev/shm
tmpfs 902M 97M 805M 11% /run
tmpfs 902M 0 902M 0% /sys/fs/cgroup
/dev/sdb1 485M 229M 256M 48% /boot
/dev/mapper/centos-var 9.4G 4.4G 5.0G 47% /var
/dev/mapper/centos-home 9.4G 5.9G 3.5G 64% /home
tmpfs 181M 0 181M 0% /run/user/0
/dev/sdc1 30G 36M 30G 1% /home/usb
[root@localhost bin]#
[root@localhost bin]#
[root@localhost bin]#
기존 파일이 보이고 잘 연결되었다.
USB를 뺄때는 반드시 unmount 한후에 해야 한다
[root@localhost bin]#
[root@localhost bin]# umount /dev/sdc1
[root@localhost bin]# ls -al /home/usb
total 0
drwxr-xr-x. 2 root root 6 Sep 27 11:40 .
drwxr-xr-x. 5 root root 47 Sep 27 11:40 ..
[root@localhost bin]#