linux 挂载硬盘

linux 挂载硬盘

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
[root@dn2 ~]# pvcreate /dev/sdb
  Physical volume "/dev/sdb" successfully created.
[root@dn2 ~]# vgcreate vgsdb /dev/sdb
  Volume group "vgsdb" successfully created
[root@dn2 ~]# lvcreate -l 100%FREE -n sdb1 vgsdb
  Logical volume "sdb1" created.
[root@dn2 ~]# mkfs.xfs /dev/vgsdb/sdb1
meta-data=/dev/vgsdb/sdb1        isize=512    agcount=4, agsize=61047552 blks
         =                       sectsz=512   attr=2, projid32bit=1
         =                       crc=1        finobt=1, sparse=1, rmapbt=0
         =                       reflink=1    bigtime=0 inobtcount=0
data     =                       bsize=4096   blocks=244190208, imaxpct=25
         =                       sunit=0      swidth=0 blks
naming   =version 2              bsize=4096   ascii-ci=0, ftype=1
log      =internal log           bsize=4096   blocks=119233, version=2
         =                       sectsz=512   sunit=0 blks, lazy-count=1
realtime =none                   extsz=4096   blocks=0, rtextents=0
Discarding blocks...Done.
[root@dn2 ~]# mkdir /data/hdfs
[root@dn2 ~]# mount /dev/vgsdb/sdb1 /data/hdfs
[root@dn2 ~]# df -h
Filesystem                  Size  Used Avail Use% Mounted on
devtmpfs                    3.7G     0  3.7G   0% /dev
tmpfs                       3.7G     0  3.7G   0% /dev/shm
tmpfs                       3.7G   17M  3.7G   1% /run
tmpfs                       3.7G     0  3.7G   0% /sys/fs/cgroup
/dev/mapper/almalinux-root   70G  7.5G   63G  11% /
/dev/mapper/almalinux-home  160G   37G  123G  23% /home
/dev/sda2                  1014M  234M  781M  24% /boot
/dev/sda1                   599M  5.8M  594M   1% /boot/efi
tmpfs                       756M     0  756M   0% /run/user/0
/dev/mapper/vgsdb-sdb1      932G  6.6G  925G   1% /data/hdfs

[root@dn2 ~]# vim /etc/fstab