centos自動掛載未使用的磁碟

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[[email protected]]# fdisk -l查看磁碟分割資訊

Disk /dev/sda: 107.4 GB, 107374182400 bytes
255 heads, 63 sectors/track, 13054 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x59e26b89

Device Boot Start End Blocks Id System
/dev/sda1 * 1 13055 104856576 83 Linux

Disk /dev/sdb: 850.4 GB, 850403524608 bytes
255 heads, 63 sectors/track, 103389 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

Disk /dev/sdc: 12001.2 GB, 12001212366848 bytes
255 heads, 63 sectors/track, 1459064 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0xc346511d

Device Boot Start End Blocks Id System
/dev/sdc1 * 1 13 102400 7 HPFS/NTFS
Partition 1 does not end on cylinder boundary.
/dev/sdc2 13 13055 104755200 7 HPFS/NTFS
查看到/dev/sdc 沒有掛載,接下來建立掛載點(建立掛載目錄),我是臨時掛載暫時命名為linshi,我先掛載sdc1的可用空間.然後先mkfs命令-(make filesystem的縮寫;用來在特定的分區建立Linux檔案系統)建立linux檔案系統,才能執行mount命令,掛載資料盤。

[[email protected]]# mkdir /linshi

[[email protected]]#mkfs.ext4 /dev/sdc1

[[email protected] ~]# mount /dev/sdc1 /linshi 掛載完成
使用df -h 命令查看使用方式,發現多了個sdc1了
[[email protected] ~]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/sda1 99G 68G 26G 73% /
tmpfs 63G 5.8M 63G 1% /dev/shm
/dev/sdb 780G 75G 666G 11% /date
/dev/sdc1 93M 1.6M 87M 2% /linshi

2、系統啟動,自動掛載資料盤

查看磁碟UUID資訊

[[email protected] ~]# blkid
/dev/sda1: UUID="e52fb0a2-a2f4-4956-8b7f-7752dcd5e037" TYPE="ext4"
/dev/sdb: UUID="e28226c1-e2ea-4ccb-b8b4-b9d437c31a21" TYPE="ext4"
/dev/sdc1: UUID="2fced1fa-1a72-40e9-b49f-89026e367160" TYPE="ext4"
/dev/sdc2: UUID="0839b341-03a5-4757-9ac7-23deb135d767" TYPE="ext4"
編輯系統磁碟分割表

[[email protected]]# vi /etc/fstab

添加如下資訊:(將sdc1的uuid複製下來)
UUID=2fced1fa-1a72-40e9-b49f-89026e367160 /linshi ext4 defaults 1 2

編輯後的資訊如下
#

/etc/fstabCreated by anaconda on Mon Oct 22 18:15:59 2018

#

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

#
UUID=e52fb0a2-a2f4-4956-8b7f-7752dcd5e037 / ext4 defaults 1 1
UUID=2fced1fa-1a72-40e9-b49f-89026e367160 /linshi ext4 defaults 1 1
tmpfs /dev/shm tmpfs defaults 0 0
devpts /dev/pts devpts gid=5,mode=620 0 0
sysfs /sys sysfs defaults 0 0
proc /proc proc defaults 0 0

~
儲存退出;重啟系統,確認自動掛載成功。

centos自動掛載未使用的磁碟

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