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查看当前挂载状态 [root@ecs-c0XzJ ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/centos-root 17G 1.3G 16G 8% / devtmpfs 1.9G 0 1.9G 0% /dev tmpfs 1.9G 0 1.9G 0% /dev/shm tmpfs 1.9G 8.5M 1.9G 1% /run tmpfs 1.9G 0 1.9G 0% /sys/fs/cgroup /dev/vda1 1014M 220M 795M 22% /boot tmpfs 379M 0 379M 0% /run/user/0 查看磁盘分区[root@ecs-c0XzJ ~]# fdisk -l
Disk /dev/vda: 21.5 GB, 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 Disk label type: dos Disk identifier: 0x0000425c
Device Boot Start End Blocks Id System /dev/vda1 * 2048 2099199 1048576 83 Linux /dev/vda2 2099200 41943039 19921920 8e Linux LVM
Disk /dev/vdb: 42.9 GB, 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
Disk /dev/mapper/centos-root: 18.2 GB, 18249416704 bytes, 35643392 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 /dev/mapper/centos-swap: 2147 MB, 2147483648 bytes, 4194304 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 已知需挂载分区vdb，使用fdisk进行分区[root@ecs-c0XzJ ~]# fdisk /dev/vdb 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 0x2f80b890.
Command (m for help): n（开始创建分区） Partition type: p primary (0 primary, 0 extended, 4 free) e extended Select (default p): p（p代表主分区e代表延伸分区） Partition number (1-4, default 1):回车 First sector (2048-83886079, default 2048):回车 Using default value 2048 Last sector, +sectors or +size{K,M,G} (2048-83886079, default 83886079):回车 Using default value 83886079 Partition 1 of type Linux and of size 40 GiB is set
Command (m for help): w（保存当前分区设置） The partition table has been altered!
Calling ioctl() to re-read partition table. Syncing disks. 这一步fdisk -l可以看到/dev/vdb1[root@ecs-c0XzJ ~]# fdisk -l
Disk /dev/vda: 21.5 GB, 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 Disk label type: dos Disk identifier: 0x0000425c
Device Boot Start End Blocks Id System /dev/vda1 * 2048 2099199 1048576 83 Linux /dev/vda2 2099200 41943039 19921920 8e Linux LVM
Disk /dev/vdb: 42.9 GB, 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 Disk label type: dos Disk identifier: 0x2f80b890
Device Boot Start End Blocks Id System /dev/vdb1 2048 83886079 41942016 83 Linux
Disk /dev/mapper/centos-root: 18.2 GB, 18249416704 bytes, 35643392 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 /dev/mapper/centos-swap: 2147 MB, 2147483648 bytes, 4194304 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 设置文件系统为xfs[root@ecs-c0XzJ ~]# mkfs.xfs /dev/vdb1 meta-data=/dev/vdb1 isize=512 agcount=4, agsize=2621376 blks = sectsz=512 attr=2, projid32bit=1 = crc=1 finobt=0, sparse=0 data = bsize=4096 blocks=10485504, imaxpct=25 = sunit=0 swidth=0 blks naming =version 2 bsize=4096 ascii-ci=0 ftype=1 log =internal log bsize=4096 blocks=5119, version=2 = sectsz=512 sunit=0 blks, lazy-count=1 realtime =none extsz=4096 blocks=0, rtextents=0
手动创建www目录，然后执行挂载到创建的目录
[root@ecs-c0XzJ ~]# mount /dev/vdb1 /www
[root@ecs-c0XzJ ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/centos-root 17G 1.3G 16G 8% / devtmpfs 1.9G 0 1.9G 0% /dev tmpfs 1.9G 0 1.9G 0% /dev/shm tmpfs 1.9G 8.5M 1.9G 1% /run tmpfs 1.9G 0 1.9G 0% /sys/fs/cgroup /dev/vda1 1014M 220M 795M 22% /boot tmpfs 379M 0 379M 0% /run/user/0 /dev/vdb1 40G 33M 40G 1% /www
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发表于 2022-7-13 17:45:54