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Linux系統(tǒng)數(shù)據(jù)盤(pán)初始化掛載操作指南

時(shí)間:2020-09-21來(lái)源:風(fēng)信官網(wǎng) 點(diǎn)擊: 1595次
風(fēng)信建站新開(kāi)發(fā)項(xiàng)目應(yīng)用于Linux服務(wù)器,操作系統(tǒng)為CentOS Linux 8.2,下面我們將新購(gòu)服務(wù)器進(jìn)行的一些初始化操作及配置相關(guān)運(yùn)行環(huán)境,便于新項(xiàng)目的運(yùn)行。
 
[root@iZbp1emne76ykf63euczfpZ ~]# cat /etc/redhat-release 
CentOS Linux release 8.2.2004 (Core) 
 
1、查看磁盤(pán)目前的初始情況
 
[root@iZbp1emne76ykf63euczfpZ ~]# fdisk -l
Disk /dev/vda: 20 GiB, 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
Disklabel type: dos
Disk identifier: 0x4500abcf
 
Device     Boot Start      End  Sectors Size Id Type
/dev/vda1  *     2048 41943039 41940992  20G 83 Linux
 
 
Disk /dev/vdb: 40 GiB, 42949672960 bytes, 83886080 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
 
2、對(duì)/dev/vdb磁盤(pán)進(jìn)行初始化
 
[root@iZbp1emne76ykf63euczfpZ ~]# fdisk /dev/vdb
 
Welcome to fdisk (util-linux 2.32.1).
Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.
 
Device does not contain a recognized partition table.
Created a new DOS disklabel with disk identifier 0x8333cdc4.
 
輸入命令(輸入“n”,按“Enter”,開(kāi)始新建分區(qū))
 
Command (m for help): n
Partition type
   p   primary (0 primary, 0 extended, 4 free)
   e   extended (container for logical partitions)
 
輸入命令(輸入“p”,按“Enter”,開(kāi)始新建主分區(qū))
Select (default p): p
 
輸入命令(輸入主分區(qū)編號(hào)“1”,按“Enter”)
 
Partition number (1-4, default 1): 1
First sector (2048-83886079, default 2048): 
Last sector, +sectors or +size{K,M,G,T,P} (2048-83886079, default 83886079):
 
Created a new partition 1 of type 'Linux' and of size 40 GiB.
 
輸入命令(輸入“p”,按“Enter”),查看新建分區(qū)的詳細(xì)信息
 
Command (m for help): p
 
Disk /dev/vdb: 40 GiB, 42949672960 bytes, 83886080 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
Disklabel type: dos
Disk identifier: 0x8333cdc4
 
Device     Boot Start      End  Sectors Size Id Type
/dev/vdb1        2048 83886079 83884032  40G 83 Linux
 
輸入命令(輸入“w”,按“Enter”),保存分區(qū)表信息。
 
Command (m for help): w
The partition table has been altered.
Calling ioctl() to re-read partition table.
Syncing disks.
 
3、設(shè)置/dev/vdb1數(shù)據(jù)盤(pán)文件系統(tǒng)的格式
 
[root@iZbp1emne76ykf63euczfpZ ~]# mkfs -t ext4 /dev/vdb1
mke2fs 1.45.4 (23-Sep-2019)
Creating filesystem with 10485504 4k blocks and 2621440 inodes
Filesystem UUID: c2f07f3a-a93d-4e29-8d2b-7326f66fbf39
Superblock backups stored on blocks: 
32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208, 
4096000, 7962624
 
Allocating group tables: done                            
Writing inode tables: done                            
Creating journal (65536 blocks): done
Writing superblocks and filesystem accounting information: done 
 
4、設(shè)置掛載的目錄
[root@iZbp1emne76ykf63euczfpZ /]# mkdir www
 
5、將/dev/vdb1數(shù)據(jù)盤(pán)掛載到www目錄
[root@iZbp1emne76ykf63euczfpZ /]# mount /dev/vdb1 /www
 
6、掛載成功之后,查看掛載結(jié)果
[root@iZbp1emne76ykf63euczfpZ /]# df -TH
Filesystem     Type      Size  Used Avail Use% Mounted on
devtmpfs       devtmpfs  888M     0  888M   0% /dev
tmpfs          tmpfs     904M     0  904M   0% /dev/shm
tmpfs          tmpfs     904M  484k  904M   1% /run
tmpfs          tmpfs     904M     0  904M   0% /sys/fs/cgroup
/dev/vda1      xfs        22G  2.8G   19G  13% /
tmpfs          tmpfs     181M     0  181M   0% /run/user/0
/dev/vdb1      ext4       43G   51M   40G   1% /www
 
7、設(shè)置開(kāi)機(jī)自動(dòng)掛載/dev/vdb1數(shù)據(jù)盤(pán)
查詢(xún)/dev/vdb1數(shù)據(jù)盤(pán)的UUID
 
[root@iZbp1emne76ykf63euczfpZ /]# blkid /dev/vdb1
/dev/vdb1: UUID="c2f07f3a-a93d-4e29-8d2b-7326f66fbf39" TYPE="ext4" PARTUUID="8333cdc4-01"
 
使用vi命令編輯fstab文件,將數(shù)據(jù)盤(pán)的UUID信息保存至fstab文件中。
 
[root@iZbp1emne76ykf63euczfpZ /]#vi /etc/fstab
 
#
# /etc/fstab
# Created by anaconda on Mon Aug 24 06:23:59 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.
#
# After editing this file, run 'systemctl daemon-reload' to update systemd
# units generated from this file.
#
UUID=32f2af94-a1cd-4880-bb61-9ede22264d88 /                       xfs     defaults        0 0
UUID=c2f07f3a-a93d-4e29-8d2b-7326f66fbf39 /www ext4 defaults 0 2
 
按“i”,進(jìn)入編輯模式。
將光標(biāo)移至文件末尾,按“Enter”,添加如下內(nèi)容。UUID=UUID=c2f07f3a-a93d-4e29-8d2b-7326f66fbf39 /mnt/sdc ext4 defaults 0 2
 
按“ESC”后,輸入“:wq”,按“Enter”,保存設(shè)置并退出編輯器,至此,數(shù)據(jù)盤(pán)的操作已經(jīng)完成,我們可以開(kāi)始布署運(yùn)行環(huán)境。
 
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