linux服务器新增固态盘并挂载到指定目录

╰半橙微兮° 2022-02-18 14:59 294阅读 0赞

[root@hiacube-worker-1-0002 apache-cassandra-2.1.9]# fdisk -l    #查看磁盘
    
    Disk /dev/vda: 107.4 GB, 107374182400 bytes, 209715200 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
    Disk label type: dos
    Disk identifier: 0x000bcb4e
    
       Device Boot      Start         End      Blocks   Id  System
    /dev/vda1   *        2048   209715166   104856559+  83  Linux
    
    Disk /dev/vdb: 32.2 GB, 32212254720 bytes, 62914560 sectors     #/dev/vdb没有创建分区
    Units = sectors of 1 * 512 = 512 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes
    
    [root@hiacube-worker-1-0002 apache-cassandra-2.1.9]# fdisk /dev/vdb  #给/dev/vdb创建分区
    Welcome to fdisk (util-linux 2.23.2).
    
    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
    Building a new DOS disklabel with disk identifier 0x12a729d2.
    
    Command (m for help): n            #输入n，选择分区类型 p:逻辑分区  e:扩展分区 
    Partition type:
       p   primary (0 primary, 0 extended, 4 free)
       e   extended
    Select (default p): p              #选择逻辑分区
    Partition number (1-4, default 1): 1   #默认1即可
    First sector (2048-62914559, default 2048):      #什么都不输入，直接回车
    Using default value 2048
    Last sector, +sectors or +size{K,M,G} (2048-62914559, default 62914559): +30GB #分配30GB
    Partition 1 of type Linux and of size 28 GiB is set
    
    Command (m for help): w            #保存
    The partition table has been altered!
    
    Calling ioctl() to re-read partition table.
    Syncing disks.
    [root@hiacube-worker-1-0002 apache-cassandra-2.1.9]# fdisk -l     #查看磁盘
    
    Disk /dev/vda: 107.4 GB, 107374182400 bytes, 209715200 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
    Disk label type: dos
    Disk identifier: 0x000bcb4e
    
       Device Boot      Start         End      Blocks   Id  System
    /dev/vda1   *        2048   209715166   104856559+  83  Linux
    
    Disk /dev/vdb: 32.2 GB, 32212254720 bytes, 62914560 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
    Disk label type: dos
    Disk identifier: 0x12a729d2
    
       Device Boot      Start         End      Blocks   Id  System
    /dev/vdb1            2048    58595327    29296640   83  Linux
    [root@hiacube-worker-1-0002 apache-cassandra-2.1.9]# mkfs.ext4 /dev/vdb1   #格式化新硬盘刚刚分配的分区/dev/vdb1
    mke2fs 1.42.9 (28-Dec-2013)
    Filesystem label=
    OS type: Linux
    Block size=4096 (log=2)
    Fragment size=4096 (log=2)
    Stride=0 blocks, Stripe width=0 blocks
    1831424 inodes, 7324160 blocks
    366208 blocks (5.00%) reserved for the super user
    First data block=0
    Maximum filesystem blocks=2155872256
    224 block groups
    32768 blocks per group, 32768 fragments per group
    8176 inodes per group
    Superblock backups stored on blocks: 
    	32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208, 
    	4096000
    
    Allocating group tables: done                            
    Writing inode tables: done                            
    Creating journal (32768 blocks): done
    Writing superblocks and filesystem accounting information: done   
    
    [root@hiacube-worker-1-0002 apache-cassandra-2.1.9]# mkdir /ssd     #在根目录下创建ssd路径
    [root@hiacube-worker-1-0002 apache-cassandra-2.1.9]# mount /dev/vdb1 /ssd   #将新的分区挂载到/ssd路径
    [root@hiacube-worker-1-0002 apache-cassandra-2.1.9]# df -h          #查看磁盘占用
    Filesystem                            Size  Used Avail Use% Mounted on
    /dev/vda1                              99G  3.0G   91G   4% /
    devtmpfs                               16G     0   16G   0% /dev
    tmpfs                                  16G     0   16G   0% /dev/shm
    tmpfs                                  16G  8.6M   16G   1% /run
    tmpfs                                  16G     0   16G   0% /sys/fs/cgroup
    tmpfs                                 3.2G     0  3.2G   0% /run/user/0
    192.168.0.2:/data/elasticsearch/repo   59G  4.6G   52G   9% /data/elasticsearch/repo
    /dev/vdb1                              28G   45M   26G   1% /ssd