VMware 磁盘不足,扩展磁盘后如何挂载磁盘,教程如下
标红为输入项
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 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 | [root@bogon ~]# fdisk -l 磁盘 /dev/sda:59.1 GB, 59055800320 字节,115343360 个扇区 Units = 扇区 of 1 * 512 = 512 bytes 扇区大小(逻辑/物理):512 字节 / 512 字节 I/O 大小(最小/最佳):512 字节 / 512 字节 磁盘标签类型:dos 磁盘标识符:0x000a13d5 设备 Boot Start End Blocks Id System /dev/sda1 * 2048 2099199 1048576 83 Linux /dev/sda2 2099200 41943039 19921920 8e Linux LVM 磁盘 /dev/mapper/centos_bogon-root:18.2 GB, 18249416704 字节,35643392 个扇区 Units = 扇区 of 1 * 512 = 512 bytes 扇区大小(逻辑/物理):512 字节 / 512 字节 I/O 大小(最小/最佳):512 字节 / 512 字节 磁盘 /dev/mapper/centos_bogon-swap:2147 MB, 2147483648 字节,4194304 个扇区 Units = 扇区 of 1 * 512 = 512 bytes 扇区大小(逻辑/物理):512 字节 / 512 字节 I/O 大小(最小/最佳):512 字节 / 512 字节 [root@bogon ~]# fdisk /dev/sda 欢迎使用 fdisk (util-linux 2.23.2)。 更改将停留在内存中,直到您决定将更改写入磁盘。 使用写入命令前请三思。 命令(输入 m 获取帮助):m 命令操作 a toggle a bootable flag b edit bsd disklabel c toggle the dos compatibility flag d delete a partition g create a new empty GPT partition table G create an IRIX (SGI) partition table l list known partition types m print this menu n add a new partition o create a new empty DOS partition table p print the partition table q quit without saving changes s create a new empty Sun disklabel t change a partition's system id u change display/entry units v verify the partition table w write table to disk and exit x extra functionality (experts only) 命令(输入 m 获取帮助):n Partition type: p primary (2 primary, 0 extended, 2 free) e extended Select (default p): p 分区号 (3,4,默认 3):[Enter] 起始 扇区 (41943040-115343359,默认为 41943040):[Enter] 将使用默认值 41943040 Last 扇区, +扇区 or +size{K,M,G} (41943040-115343359,默认为 115343359):+13G 分区 3 已设置为 Linux 类型,大小设为 13 GiB 命令(输入 m 获取帮助):w The partition table has been altered! Calling ioctl() to re-read partition table. WARNING: Re-reading the partition table failed with error 16: 设备或资源忙. The kernel still uses the old table. The new table will be used at the next reboot or after you run partprobe(8) or kpartx(8) 正在同步磁盘。 [root@bogon ~]# fdisk -l 磁盘 /dev/sda:59.1 GB, 59055800320 字节,115343360 个扇区 Units = 扇区 of 1 * 512 = 512 bytes 扇区大小(逻辑/物理):512 字节 / 512 字节 I/O 大小(最小/最佳):512 字节 / 512 字节 磁盘标签类型:dos 磁盘标识符:0x000a13d5 设备 Boot Start End Blocks Id System /dev/sda1 * 2048 2099199 1048576 83 Linux /dev/sda2 2099200 41943039 19921920 8e Linux LVM /dev/sda3 41943040 69206015 13631488 83 Linux 磁盘 /dev/mapper/centos_bogon-root:18.2 GB, 18249416704 字节,35643392 个扇区 Units = 扇区 of 1 * 512 = 512 bytes 扇区大小(逻辑/物理):512 字节 / 512 字节 I/O 大小(最小/最佳):512 字节 / 512 字节 磁盘 /dev/mapper/centos_bogon-swap:2147 MB, 2147483648 字节,4194304 个扇区 Units = 扇区 of 1 * 512 = 512 bytes 扇区大小(逻辑/物理):512 字节 / 512 字节 I/O 大小(最小/最佳):512 字节 / 512 字节 [root@bogon ~]# mkfs.ext4 /dev/sda3 mke2fs 1.42.9 (28-Dec-2013) 无法对 /dev/sda3 进行 stat 调用 --- 没有那个文件或目录 The device apparently does not exist; did you specify it correctly? [root@bogon ~]# partprobe Warning: 无法以读写方式打开 /dev/sr0 (只读文件系统)。/dev/sr0 已按照只读方式打开。 [root@bogon ~]# mkfs.ext4 /dev/sda3 mke2fs 1.42.9 (28-Dec-2013) 文件系统标签= OS type: Linux 块大小=4096 (log=2) 分块大小=4096 (log=2) Stride=0 blocks, Stripe width=0 blocks 851968 inodes, 3407872 blocks 0393 blocks (5.00%) reserved for the super user ▽ 一个数据块=0 Maximum filesystem blocks=2151677952 104 block groups 32768 blocks per group, 32768 fragments per group 8192 inodes per group Superblock backups stored on blocks: 32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208 Allocating group tables: 完成 正在写入inode表: 完成 Creating journal (32768 blocks): 完成 Writing superblocks and filesystem accounting information: 完成 [root@bogon ~]# vim /etc/fstab # # /etc/fstab # Created by anaconda on Wed Sep 14 13:38:05 2022 # # 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 # /dev/mapper/centos_bogon-root / xfs defaults 0 0 UUID=27637017-1936-451f-93fc-6165a9599a61 /boot xfs defaul ts 0 0 /dev/mapper/centos_bogon-swap swap swap defaults 0 0 /dev/sda3 /disk ext4 defaults 0 0 "/etc/fstab" 12L, 511C 已写入 [root@bogon ~]# mount -a [root@bogon ~]# df -h 文件系统 容量 已用 可用 已用% 挂载点 /dev/mapper/centos_bogon-root 17G 17G 16M 100% / devtmpfs 3.9G 0 3.9G 0% /dev tmpfs 3.9G 8.0K 3.9G 1% /dev/shm tmpfs 3.9G 8.8M 3.9G 1% /run tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup /dev/sda1 1014M 145M 870M 15% /boot tmpfs 781M 0 781M 0% /run/user/1002 tmpfs 781M 0 781M 0% /run/user/0 /dev/sda3 13G 41M 12G 1% /disk [root@bogon ~]# pvcreate /dev/sda3 Can't open /dev/sda3 exclusively. Mounted filesystem? Can't open /dev/sda3 exclusively. Mounted filesystem? [root@bogon ~]# umount /dev/sda3 [root@bogon ~]# pvcreate /dev/sda3 WARNING: ext4 signature detected on /dev/sda3 at offset 1080. Wipe it? [y/n]: y Wiping ext4 signature on /dev/sda3. Physical volume "/dev/sda3" successfully created. [root@bogon ~]# vgscan Reading volume groups from cache. Found volume group "centos_bogon" using metadata type lvm2 [root@bogon ~]# vgextend centos_bogon /dev/sda3 Volume group "centos_bogon" successfully extended [root@bogon ~]# lvextend -L +12G /dev/mapper/centos_bogon-root Size of logical volume centos_bogon/root changed from <17.00 GiB (4351 extents) to <29.00 GiB (7423 extents). Logical volume centos_bogon/root successfully resized. [root@bogon ~]# xfs_growfs /dev/mapper/centos_bogon-root meta-data=/dev/mapper/centos_bogon-root isize=512 agcount=4, agsize=1113856 blks = sectsz=512 attr=2, projid32bit=1 = crc=1 finobt=0 spinodes=0 data = bsize=4096 blocks=4455424, imaxpct=25 = sunit=0 swidth=0 blks naming =version 2 bsize=4096 ascii-ci=0 ftype=1 log =internal bsize=4096 blocks=2560, version=2 = sectsz=512 sunit=0 blks, lazy-count=1 altime =none extsz=4096 blocks=0, rtextents=0 ▽ata blocks changed from 4455424 to 7601152 [root@bogon ~]# df -h 文件系统 容量 已用 可用 已用% 挂载点 /dev/mapper/centos_bogon-root 29G 17G 13G 59% / devtmpfs 3.9G 0 3.9G 0% /dev tmpfs 3.9G 8.0K 3.9G 1% /dev/shm tmpfs 3.9G 8.8M 3.9G 1% /run tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup /dev/sda1 1014M 145M 870M 15% /boot tmpfs 781M 0 781M 0% /run/user/1002 tmpfs 781M 0 781M 0% /run/user/0 [root@bogon ~]# vim /etc/fstab # # /etc/fstab # Created by anaconda on Wed Sep 14 13:38:05 2022 # # 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 # /dev/mapper/centos_bogon-root / xfs defaults 0 0 UUID=27637017-1936-451f-93fc-6165a9599a61 /boot xfs defaul ts 0 0 /dev/mapper/centos_bogon-swap swap swap defaults 0 0 ~ "/etc/fstab" 11L, 477C 已写入 |
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