Centos automatically mounts unused Disks

Tag: 1.2 command dir NID make Xid Type Space ext

[[Email protected] # fdisk-l view disk partition information

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
Check that/dev/SDC is not mounted. Next, create a mount point (create a mount directory). I am a temporary mount and temporarily name it linshi. I first mount the available space of sdc1. then run The mkfs command-(short for make filesystem; used to create a Linux File System in a specific partition) to create a Linux File System, and then run the mount command to mount the data disk.

[[Email protected] # mkdir/linshi

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

[[Email protected] ~] # Mount/dev/sdc1/linshi mounting completed
Run the DF-H command to check the usage. An additional sdc1 is found.
[[Email protected] ~] # DF-H
Filesystem size used avail use % mounted on
/Dev/sda1 99G 68g 26G 73%/
Tmpfs 63G 5.8 m 63G 1%/dev/SHM
/Dev/SDB 780G 75g 666g 11%/date
/Dev/sdc1 93 m 1.6 m 87 m 2%/linshi

2. Start the system and automatically mount the data disk

View disk UUID Information

[[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"
Edit a system partition table

[[Email protected] # vi/etc/fstab

Add the following information: (copy the uuid of sdc1)
UUID = 2fced1fa-1a72-40e9-b49f-89026e367160/linshi ext4 defaults 1 2

The edited information is as follows:
#

/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 ults 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 defaults 0 0

~
Save and exit. restart the system and confirm that the automatic mounting is successful.

Centos automatically mounts unused Disks