RHCSA第二次作业

添加三块硬盘:

一、第一块硬盘,虚拟磁盘类型选择SCSI。大小选择5G。按mbr格式分区。分两个主分区,大小分别为2G和3G。第一个主分区创建ext2类型的文件系统。第一个主分区挂载到/guazai1目录,并在其中存入1.txt的文件。其文件内容是this is 1.txt。第二个主分区创建ext3的类型的文件系统。第二个主分区挂载到/guazai2目录,并在其中存入2.txt的文件。其文件内容是this is 2.txt。

(1).
image.png

(2).
[root@lq ~]# fdisk /dev/sdb

Welcome to fdisk (util-linux 2.37.4).
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 0x3ca31fdc.

Command (m for help): n
Partition type
   p   primary (0 primary, 0 extended, 4 free)
   e   extended (container for logical partitions)
Select (default p): p
Partition number (1-4, default 1): 
First sector (2048-10485759, default 2048): 
Last sector, +/-sectors or +/-size{K,M,G,T,P} (2048-10485759, default 10485759): +2g

Created a new partition 1 of type 'Linux' and of size 2 GiB.

Command (m for help): n
Partition type
   p   primary (1 primary, 0 extended, 3 free)
   e   extended (container for logical partitions)
Select (default p): p
Partition number (2-4, default 2): 
First sector (4196352-10485759, default 4196352): 
Last sector, +/-sectors or +/-size{K,M,G,T,P} (4196352-10485759, default 10485759): +1g

Created a new partition 2 of type 'Linux' and of size 1 GiB.
Command (m for help): w
The partition table has been altered.
Calling ioctl() to re-read partition table.
Syncing disks.
[root@lq ~]# mkfs.ext2 /dev/sdb1
mke2fs 1.46.5 (30-Dec-2021)
Creating filesystem with 524288 4k blocks and 131072 inodes
Filesystem UUID: b7e5a8aa-77b2-4969-a21c-df8ee26fdfad
Superblock backups stored on blocks: 
    32768, 98304, 163840, 229376, 294912

Allocating group tables: done                            
Writing inode tables: done                            
Writing superblocks and filesystem accounting information: done 

[root@lq ~]# mkfs.ext3 /dev/sdb2
mke2fs 1.46.5 (30-Dec-2021)
Creating filesystem with 262144 4k blocks and 65536 inodes
Filesystem UUID: a34f756a-65fa-4bb6-8ee6-4d686a35ac0c
Superblock backups stored on blocks: 
    32768, 98304, 163840, 229376

Allocating group tables: done                            
Writing inode tables: done                            
Creating journal (8192 blocks): done
Writing superblocks and filesystem accounting information: done
[root@lq ~]# mkdir /guazai1
[root@lq ~]# mkdir /guazai2
[root@lq ~]# mount /dev/sdb1 /guazai1
[root@lq ~]# mount /dev/sdb2 /guazai2
[root@lq ~]# echo this is 1.txt > /guazai1/1.txt
[root@lq ~]# echo this is 2.txt > /guazai2/2.txt
[root@lq ~]# 

二、第二块硬盘,虚拟磁盘类型选择STAT。大小选择10G。按mbr格式分区。分一个主分区,大小为1G 。分一个扩展分区。大小为6G。分一个逻辑分区,大小为4G。将主分区创建为ext4类型的文件系统。挂载到/guazai3目录。在其中存入3.txt的文件,其文件内容是this is 3.txt。将逻辑分区创建xfs类型的文件系统。挂载到/guazai4目录。在其中存入4.txt的文件,其文件内容是this is 4.txt。

[root@lq ~]# fdisk /dev/sda

Welcome to fdisk (util-linux 2.37.4).
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 0x08ff8c95.

Command (m for help): n
Partition type
   p   primary (0 primary, 0 extended, 4 free)
   e   extended (container for logical partitions)
Select (default p): p
Partition number (1-4, default 1): 
First sector (2048-20971519, default 2048): 
Last sector, +/-sectors or +/-size{K,M,G,T,P} (2048-20971519, default 20971519): +1g

Created a new partition 1 of type 'Linux' and of size 1 GiB.

Command (m for help): n
Partition type
   p   primary (1 primary, 0 extended, 3 free)
   e   extended (container for logical partitions)
Select (default p): e
Partition number (2-4, default 2): 
First sector (2099200-20971519, default 2099200): 
Last sector, +/-sectors or +/-size{K,M,G,T,P} (2099200-20971519, default 20971519): +6g

Created a new partition 2 of type 'Extended' and of size 6 GiB.

Command (m for help): n
Partition type
   p   primary (1 primary, 1 extended, 2 free)
   l   logical (numbered from 5)
Select (default p): l

Adding logical partition 5
First sector (2101248-14682111, default 2101248): 
Last sector, +/-sectors or +/-size{K,M,G,T,P} (2101248-14682111, default 14682111): +4g

Created a new partition 5 of type 'Linux' and of size 4 GiB.

Command (m for help): w
The partition table has been altered.
Calling ioctl() to re-read partition table.
Syncing disks.
[root@lq ~]# mkdir /guazai3
[root@lq ~]# mkdir /guazai4
[root@lq ~]# mkfs.ext4 /dev/sda1
mke2fs 1.46.5 (30-Dec-2021)
Creating filesystem with 262144 4k blocks and 65536 inodes
Filesystem UUID: ec7c492f-9896-4eef-b455-dd6285104710
Superblock backups stored on blocks: 
    32768, 98304, 163840, 229376

Allocating group tables: done                            
Writing inode tables: done                            
Creating journal (8192 blocks): done
Writing superblocks and filesystem accounting information: done
[root@lq ~]# mkfs.xfs /dev/sda5
meta-data=/dev/sda5              isize=512    agcount=4, agsize=262144 blks
         =                       sectsz=512   attr=2, projid32bit=1
         =                       crc=1        finobt=1, sparse=1, rmapbt=0
         =                       reflink=1    bigtime=1 inobtcount=1 nrext64=0
data     =                       bsize=4096   blocks=1048576, imaxpct=25
         =                       sunit=0      swidth=0 blks
naming   =version 2              bsize=4096   ascii-ci=0, ftype=1
log      =internal log           bsize=4096   blocks=16384, version=2
         =                       sectsz=512   sunit=0 blks, lazy-count=1
realtime =none                   extsz=4096   blocks=0, rtextents=0
[root@lq ~]# mount /dev/sda1 /guazai3
[root@lq ~]# mount /dev/sda5 /guazai4
[root@lq ~]# echo this is 3.txt > /guazai3/3.txt
[root@lq ~]# echo this is 4.txt > /guazai4/4.txt
[root@lq ~]# 

三、第三块硬盘,虚拟磁盘类型选择NVME。大小选择15G。按gpt格式分区。分一个主分区。大小为5G。主分区创建xfs类型的文件系统,挂载到/guazai5目录,在其中存入5.txt的文件,其文件内容是this is 5.txt。

[root@lq ~]# fdisk /dev/nvme0n3

Welcome to fdisk (util-linux 2.37.4).
Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.


Command (m for help): g
Created a new GPT disklabel (GUID: 8E610634-56E4-FC45-B795-AEBC1157058A).
The device contains 'dos' signature and it will be removed by a write command. See fdisk(8) man page and --wipe option for more details.

Command (m for help): n
Partition number (1-128, default 1): 
First sector (2048-31457246, default 2048): 
Last sector, +/-sectors or +/-size{K,M,G,T,P} (2048-31457246, default 31457246): +5g

Created a new partition 1 of type 'Linux filesystem' and of size 5 GiB.

Command (m for help): w
The partition table has been altered.
Calling ioctl() to re-read partition table.
Syncing disks.

root@lq ~]# mkfs.xfs /dev/nvme0n3p1
meta-data=/dev/nvme0n3p1         isize=512    agcount=4, agsize=327680 blks
         =                       sectsz=512   attr=2, projid32bit=1
         =                       crc=1        finobt=1, sparse=1, rmapbt=0
         =                       reflink=1    bigtime=1 inobtcount=1 nrext64=0
data     =                       bsize=4096   blocks=1310720, imaxpct=25
         =                       sunit=0      swidth=0 blks
naming   =version 2              bsize=4096   ascii-ci=0, ftype=1
log      =internal log           bsize=4096   blocks=16384, version=2
         =                       sectsz=512   sunit=0 blks, lazy-count=1
realtime =none                   extsz=4096   blocks=0, rtextents=0
[root@lq ~]# mkdir /guazai5
[root@lq ~]# mount /dev/nvme0n3p1 /guazai5
[root@lq ~]# echo this is 5.txt > /guazai5/5.txt
[root@lq ~]# 



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