做微信的微网站费用,企业网站如何优化排名,外文网站开发,网站建设公司怎么样文章目录 0 背景1 查看当前情况1.1 查看磁盘空间1.2 列出所有可用块设备的信息#xff0c;而且还能显示他们之间的依赖关系1.3 查看可用磁盘1.4 查看卷组 2 卷组中创建逻辑卷3 创建文件系统4 创建临时文件夹并挂载#xff0c;然后备份源文件5 修改开机挂载配置5.1 查看原配置… 文章目录 0 背景1 查看当前情况1.1 查看磁盘空间1.2 列出所有可用块设备的信息而且还能显示他们之间的依赖关系1.3 查看可用磁盘1.4 查看卷组 2 卷组中创建逻辑卷3 创建文件系统4 创建临时文件夹并挂载然后备份源文件5 修改开机挂载配置5.1 查看原配置文件5.2 修改配置文件 6 删除原始分区6.1 卸载文件系统6.2 删除逻辑卷6.3 删除卷组6.4 删除物理卷 7 扩容7.1 查看之前的状况7.2 扩展物理卷 0 背景
迁移var目录的数据回sda盘中。
迁移前
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
sda 8:0 0 931.5G 0 disk
|-sda1 8:1 0 487M 0 part /boot
|-sda2 8:2 0 1K 0 part
-sda5 8:5 0 931G 0 part|-HsServer--vg-root 254:2 0 23.3G 0 lvm /|-HsServer--vg-var 254:3 0 9.3G 0 lvm|-HsServer--vg-swap_1 254:4 0 976M 0 lvm [SWAP]-HsServer--vg-tmp 254:5 0 1.9G 0 lvm /tmp
sdb 8:16 0 111.8G 0 disk
|-sdb1 8:17 0 100M 0 part
|-sdb2 8:18 0 67.9G 0 part
|-sdb3 8:19 0 1K 0 part
-sdb5 8:21 0 43.8G 0 part
sdc 8:32 0 1.8T 0 disk
|-sdc1 8:33 0 500G 0 part
| -Vol1-lvtest 254:1 0 500G 0 lvm /var
-sdc2 8:34 0 1T 0 part-Vol2-lvtest 254:0 0 1024G 0 lvm /home迁移后的结果
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
sda 8:0 0 931.5G 0 disk
|-sda1 8:1 0 487M 0 part /boot
|-sda2 8:2 0 1K 0 part
-sda5 8:5 0 931G 0 part|-HsServer--vg-root 254:0 0 23.3G 0 lvm /|-HsServer--vg-swap_1 254:1 0 976M 0 lvm [SWAP]|-HsServer--vg-tmp 254:2 0 1.9G 0 lvm /tmp-HsServer--vg-var 254:3 0 300G 0 lvm /var
sdb 8:16 0 111.8G 0 disk
|-sdb1 8:17 0 100M 0 part
|-sdb2 8:18 0 67.9G 0 part
|-sdb3 8:19 0 1K 0 part
-sdb5 8:21 0 43.8G 0 part
sdc 8:32 0 1.8T 0 disk
|-sdc1 8:33 0 500G 0 part
| -Vol2-lvtest 254:4 0 1T 0 lvm /home
-sdc2 8:34 0 1T 0 part-Vol2-lvtest 254:4 0 1T 0 lvm /home1 查看当前情况
在sda5中创建新分区然后把sdc1分区的var文件放到sda5的分区中。
1.1 查看磁盘空间
rootHsServer:~# df -h
Filesystem Size Used Avail Use% Mounted on
udev 11G 0 11G 0% /dev
tmpfs 2.2G 3.2M 2.2G 1% /run
/dev/mapper/HsServer--vg-root 23G 11G 11G 50% /
tmpfs 11G 0 11G 0% /dev/shm
tmpfs 5.0M 16K 5.0M 1% /run/lock
/dev/mapper/Vol1-lvtest 492G 9.6G 457G 3% /var
/dev/mapper/Vol2-lvtest 1007G 56G 901G 6% /home
/dev/mapper/HsServer--vg-tmp 1.8G 80K 1.7G 1% /tmp
/dev/sda1 455M 216M 215M 51% /boot
tmpfs 2.2G 56K 2.2G 1% /run/user/113
tmpfs 2.2G 44K 2.2G 1% /run/user/01.2 列出所有可用块设备的信息而且还能显示他们之间的依赖关系
rootHsServer:~# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
sda 8:0 0 931.5G 0 disk
|-sda1 8:1 0 487M 0 part /boot
|-sda2 8:2 0 1K 0 part
-sda5 8:5 0 931G 0 part|-HsServer--vg-root 254:2 0 23.3G 0 lvm /|-HsServer--vg-var 254:3 0 9.3G 0 lvm|-HsServer--vg-swap_1 254:4 0 976M 0 lvm [SWAP]-HsServer--vg-tmp 254:5 0 1.9G 0 lvm /tmp
sdb 8:16 0 111.8G 0 disk
|-sdb1 8:17 0 100M 0 part
|-sdb2 8:18 0 67.9G 0 part
|-sdb3 8:19 0 1K 0 part
-sdb5 8:21 0 43.8G 0 part
sdc 8:32 0 1.8T 0 disk
|-sdc1 8:33 0 500G 0 part
| -Vol1-lvtest 254:1 0 500G 0 lvm /var
-sdc2 8:34 0 1T 0 part-Vol2-lvtest 254:0 0 1024G 0 lvm /home1.3 查看可用磁盘
rootHsServer:~# fdisk -l
Disk /dev/sdb: 111.79 GiB, 120034123776 bytes, 234441648 sectors
Disk model: INTEL SSDSC2BW12
Units: sectors of 1 * 512 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x36e496eaDevice Boot Start End Sectors Size Id Type
/dev/sdb1 * 2048 206847 204800 100M 7 HPFS/NTFS/exFAT
/dev/sdb2 206848 142580655 142373808 67.9G 7 HPFS/NTFS/exFAT
/dev/sdb3 142580656 234441647 91860992 43.8G f W95 Extd (LBA)
/dev/sdb5 142580719 234441647 91860929 43.8G 7 HPFS/NTFS/exFATDisk /dev/sda: 931.51 GiB, 1000204886016 bytes, 1953525168 sectors
Disk model: ST31000528AS
Units: sectors of 1 * 512 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0xb8213fffDevice Boot Start End Sectors Size Id Type
/dev/sda1 * 2048 999423 997376 487M 83 Linux
/dev/sda2 1001470 1953523711 1952522242 931G 5 Extended
/dev/sda5 1001472 1953523711 1952522240 931G 8e Linux LVMDisk /dev/sdc: 1.82 TiB, 2000398934016 bytes, 3907029168 sectors
Disk model: ST2000DM001-1ER1
Units: sectors of 1 * 512 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: dos
Disk identifier: 0x97be5b6aDevice Boot Start End Sectors Size Id Type
/dev/sdc1 2048 1048578047 1048576000 500G 1 FAT12
/dev/sdc2 1048578048 3196061695 2147483648 1T 8e Linux LVMDisk /dev/mapper/Vol2-lvtest: 1024 GiB, 1099507433472 bytes, 2147475456 sectors
Units: sectors of 1 * 512 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytesDisk /dev/mapper/Vol1-lvtest: 500 GiB, 536866717696 bytes, 1048567808 sectors
Units: sectors of 1 * 512 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytesDisk /dev/mapper/HsServer--vg-root: 23.28 GiB, 24998051840 bytes, 48824320 sectors
Units: sectors of 1 * 512 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytesDisk /dev/mapper/HsServer--vg-var: 9.31 GiB, 9999220736 bytes, 19529728 sectors
Units: sectors of 1 * 512 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytesDisk /dev/mapper/HsServer--vg-swap_1: 976 MiB, 1023410176 bytes, 1998848 sectors
Units: sectors of 1 * 512 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytesDisk /dev/mapper/HsServer--vg-tmp: 1.86 GiB, 1996488704 bytes, 3899392 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
rootHsServer:~# vgdisplay mapperVolume group mapper not foundCannot process volume group mapper
rootHsServer:~# vgdisplay /dev/mapperVolume group mapper not foundCannot process volume group mapper1.4 查看卷组
rootHsServer:~# vgdisplay--- Volume group ---VG Name Vol2System IDFormat lvm2Metadata Areas 1Metadata Sequence No 2VG Access read/writeVG Status resizableMAX LV 0Cur LV 1Open LV 1Max PV 0Cur PV 1Act PV 1VG Size 1024.00 GiBPE Size 4.00 MiBTotal PE 262143Alloc PE / Size 262143 / 1024.00 GiBFree PE / Size 0 / 0VG UUID lFyMbP-ZLeb-Ux0U-b4Ss-wUva-8cfP-7dTZXE--- Volume group ---VG Name Vol1System IDFormat lvm2Metadata Areas 1Metadata Sequence No 2VG Access read/writeVG Status resizableMAX LV 0Cur LV 1Open LV 1Max PV 0Cur PV 1Act PV 1VG Size 500.00 GiBPE Size 4.00 MiBTotal PE 127999Alloc PE / Size 127999 / 500.00 GiBFree PE / Size 0 / 0VG UUID 0gCdSf-eX51-ZlfK-TYoq-BVLe-Rg86-CLj7uT--- Volume group ---VG Name HsServer-vgSystem IDFormat lvm2Metadata Areas 1Metadata Sequence No 7VG Access read/writeVG Status resizableMAX LV 0Cur LV 4Open LV 3Max PV 0Cur PV 1Act PV 1VG Size 931.03 GiBPE Size 4.00 MiBTotal PE 238344Alloc PE / Size 9064 / 35.41 GiBFree PE / Size 229280 / 895.62 GiBVG UUID SrHizr-6keh-Hwce-6Bmg-eklk-GlbG-BvTaQ2rootHsServer:~# vgdisplay HsServer-vg--- Volume group ---VG Name HsServer-vgSystem IDFormat lvm2Metadata Areas 1Metadata Sequence No 7VG Access read/writeVG Status resizableMAX LV 0Cur LV 4Open LV 3Max PV 0Cur PV 1Act PV 1VG Size 931.03 GiBPE Size 4.00 MiBTotal PE 238344Alloc PE / Size 9064 / 35.41 GiBFree PE / Size 229280 / 895.62 GiBVG UUID SrHizr-6keh-Hwce-6Bmg-eklk-GlbG-BvTaQ22 卷组中创建逻辑卷
rootHsServer:~# lvcreate -L 300G -n var HsServer-vg
WARNING: ext4 signature detected on /dev/HsServer-vg/var at offset 1080. Wipe it? [y/n]: yWiping ext4 signature on /dev/HsServer-vg/var.Logical volume var created.1-l选项定义了要为逻辑卷指定多少可用的卷组空间。注意你可以按照卷组空闲空间的百分比来指定这个值。本例中为新逻辑卷使用了所有的空闲空间或者用-L选项以字节、千字节KB、兆字节MB或吉字节GB为单位来指定实际的大小。2-n选项允许你为逻辑卷指定一个名称在本例中称作var
查看磁盘分区情况
rootHsServer:~# fdisk -lDisk /dev/mapper/HsServer--vg-var: 300 GiB, 322122547200 bytes, 629145600 sectors
Units: sectors of 1 * 512 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes3 创建文件系统
rootHsServer:~# sudo mkfs.ext4 /dev/mapper/HsServer--vg-var
mke2fs 1.47.0 (5-Feb-2023)
Creating filesystem with 78643200 4k blocks and 19660800 inodes
Filesystem UUID: dc8871ab-f3b6-476d-b5d4-9f4e6f5b5b5d
Superblock backups stored on blocks:32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,4096000, 7962624, 11239424, 20480000, 23887872, 71663616Allocating group tables: done
Writing inode tables: done
Creating journal (262144 blocks):
done
Writing superblocks and filesystem accounting information: done如果没有创建文件系统则会爆出如下的错误
mount: /backVar: wrong fs type, bad option, bad superblock on /dev/mapper/HsServer--vg-var, missing codepage or helper program, or other error.dmesg(1) may have more information after failed mount system call.4 创建临时文件夹并挂载然后备份源文件
rootHsServer:~# mkdir /backVar/
rootHsServer:~# mount /dev/mapper/HsServer--vg-var /backVar
rootHsServer:~# cp -r /var/* /backVar/5 修改开机挂载配置
5.1 查看原配置文件
rootHsServer:~# cat /etc/fstab
# /etc/fstab: static file system information.
#
# Use blkid to print the universally unique identifier for a
# device; this may be used with UUID as a more robust way to name devices
# that works even if disks are added and removed. See fstab(5).
#
# systemd generates mount units based on this file, see systemd.mount(5).
# Please run systemctl daemon-reload after making changes here.
#
# file system mount point type options dump pass
/dev/mapper/HsServer--vg-root / ext4 errorsremount-ro 0 1
# /boot was on /dev/sda1 during installation
UUIDde772acf-c0c7-4dbc-b213-2ce826d6e055 /boot ext2 defaults 0 2
#/dev/mapper/HsServer--vg-home /home ext4 defaults 0 2
/dev/mapper/HsServer--vg-tmp /tmp ext4 defaults 0 2
#/dev/mapper/HsServer--vg-var /var ext4 defaults 0 2
/dev/mapper/HsServer--vg-swap_1 none swap sw 0 0
/dev/Vol1/lvtest /var ext4 defaults 0 2
/dev/Vol2/lvtest /home ext4 defaults 0 25.2 修改配置文件
rootHsServer:~# vi /etc/fstab添加新挂载内容/dev/mapper/HsServer--vg-var /var
注释掉原挂载内容/dev/Vol1/lvtest /var ext4 defaults 0 2
然后重启计算机reboot
查看结果(可以看到已经成功更换挂载的盘)
rootHsServer:~# df -h
Filesystem Size Used Avail Use% Mounted on
udev 11G 0 11G 0% /dev
tmpfs 2.2G 2.9M 2.2G 1% /run
/dev/mapper/HsServer--vg-root 23G 11G 11G 50% /
tmpfs 11G 0 11G 0% /dev/shm
tmpfs 5.0M 16K 5.0M 1% /run/lock
/dev/mapper/Vol2-lvtest 1007G 56G 901G 6% /home
/dev/sda1 455M 216M 215M 51% /boot
/dev/mapper/HsServer--vg-tmp 1.8G 80K 1.7G 1% /tmp
/dev/mapper/HsServer--vg-var 295G 9.5G 270G 4% /var
tmpfs 2.2G 56K 2.2G 1% /run/user/113
tmpfs 2.2G 44K 2.2G 1% /run/user/0rootHsServer:~# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
sda 8:0 0 931.5G 0 disk
|-sda1 8:1 0 487M 0 part /boot
|-sda2 8:2 0 1K 0 part
-sda5 8:5 0 931G 0 part|-HsServer--vg-root 254:0 0 23.3G 0 lvm /|-HsServer--vg-swap_1 254:1 0 976M 0 lvm [SWAP]|-HsServer--vg-tmp 254:2 0 1.9G 0 lvm /tmp-HsServer--vg-var 254:3 0 300G 0 lvm /var
sdb 8:16 0 111.8G 0 disk
|-sdb1 8:17 0 100M 0 part
|-sdb2 8:18 0 67.9G 0 part
|-sdb3 8:19 0 1K 0 part
-sdb5 8:21 0 43.8G 0 part
sdc 8:32 0 1.8T 0 disk
|-sdc1 8:33 0 500G 0 part
| -Vol1-lvtest 254:5 0 500G 0 lvm
-sdc2 8:34 0 1T 0 part-Vol2-lvtest 254:4 0 1024G 0 lvm /home6 删除原始分区
删除LVM之前创建的物理卷卷组逻辑卷时删除顺序应该与创建时的顺序相反。也就是卸载文件系统删除逻辑卷删除卷组删除物理卷。卸载文件系统时需要注意如果之前没有更新/etc/fstab文件,则需要更新。
1,卸载文件系统umount /dev/mapper/Vol1-lvtest2,删除逻辑卷lvremove /dev/mapper/Vol1-lvtest3,删除卷组vgremove Vol14,删除物理卷
pvremove /dev/sda{1,2,3,5}
6.1 卸载文件系统
查看磁盘的信息
rootHsServer:~# blkid
/dev/mapper/HsServer--vg-swap_1: UUIDebdc78fa-f920-47b4-b3ce-4486e0993691 TYPEswap
/dev/sdb2: BLOCK_SIZE512 UUIDD470CFB970CFA09A TYPEntfs PARTUUID36e496ea-02
/dev/sdb5: BLOCK_SIZE512 UUID0004A422000CA487 TYPEntfs PARTUUID36e496ea-05
/dev/sdb1: LABELM-gM-3M-;M-gM-;M-^_M-dM-?M-^]M-gM-^UM-^Y BLOCK_SIZE512 UUID9400C91000C8FA6E TYPEntfs PARTUUID36e496ea-01
/dev/mapper/Vol2-lvtest: UUID0667b0ac-112e-49b9-b951-b433e559233e BLOCK_SIZE4096 TYPEext4
/dev/mapper/HsServer--vg-tmp: UUID307b0159-746b-4476-866c-ebc2b81632f8 BLOCK_SIZE4096 TYPEext4
/dev/mapper/HsServer--vg-root: UUID7117eb71-a277-44b7-a7f8-37418817968d BLOCK_SIZE4096 TYPEext4
/dev/sdc2: UUIDIUHj8a-1VcD-ggMn-UzhK-NNBN-ohhT-Zzci3g TYPELVM2_member PARTUUID97be5b6a-02
/dev/sdc1: UUIDroJf0h-R7Bt-tVnm-ml2V-h9ac-fyLZ-jMEa7N TYPELVM2_member PARTUUID97be5b6a-01
/dev/sda5: UUIDW5i2fK-Up60-LCGp-qIrI-e1q1-Ycye-LwEhpl TYPELVM2_member PARTUUIDb8213fff-05
/dev/sda1: UUIDde772acf-c0c7-4dbc-b213-2ce826d6e055 BLOCK_SIZE1024 TYPEext2 PARTUUIDb8213fff-01
/dev/mapper/Vol1-lvtest: UUIDf085a0cc-2c4d-42d1-a8e0-601abbf9a10e BLOCK_SIZE4096 TYPEext4
/dev/mapper/HsServer--vg-var: UUIDdc8871ab-f3b6-476d-b5d4-9f4e6f5b5b5d BLOCK_SIZE4096 TYPEext4umount /dev/mapper/Vol1-lvtest6.2 删除逻辑卷
rootHsServer:~# lvremove /dev/mapper/Vol1-lvtest
Do you really want to remove active logical volume Vol1/lvtest? [y/n]: yLogical volume lvtest successfully removed.6.3 删除卷组
rootHsServer:~# vgremove Vol1Volume group Vol1 successfully removed6.4 删除物理卷
rootHsServer:~# pvremove /dev/sdc1Labels on physical volume /dev/sdc1 successfully wiped.查看结果
rootHsServer:~# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
sda 8:0 0 931.5G 0 disk
|-sda1 8:1 0 487M 0 part /boot
|-sda2 8:2 0 1K 0 part
-sda5 8:5 0 931G 0 part|-HsServer--vg-root 254:0 0 23.3G 0 lvm /|-HsServer--vg-swap_1 254:1 0 976M 0 lvm [SWAP]|-HsServer--vg-tmp 254:2 0 1.9G 0 lvm /tmp-HsServer--vg-var 254:3 0 300G 0 lvm /var
sdb 8:16 0 111.8G 0 disk
|-sdb1 8:17 0 100M 0 part
|-sdb2 8:18 0 67.9G 0 part
|-sdb3 8:19 0 1K 0 part
-sdb5 8:21 0 43.8G 0 part
sdc 8:32 0 1.8T 0 disk
|-sdc1 8:33 0 500G 0 part
-sdc2 8:34 0 1T 0 part-Vol2-lvtest 254:4 0 1024G 0 lvm /home6.5 删除分区
rootHsServer:~# fdisk /dev/sdcWelcome to fdisk (util-linux 2.38.1).
Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.This disk is currently in use - repartitioning is probably a bad idea.
Its recommended to umount all file systems, and swapoff all swap
partitions on this disk.Command (m for help): pDisk /dev/sdc: 1.82 TiB, 2000398934016 bytes, 3907029168 sectors
Disk model: ST2000DM001-1ER1
Units: sectors of 1 * 512 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: dos
Disk identifier: 0x97be5b6aDevice Boot Start End Sectors Size Id Type
/dev/sdc1 2048 1048578047 1048576000 500G 1 FAT12
/dev/sdc2 1048578048 3196061695 2147483648 1T 8e Linux LVMCommand (m for help): d
Partition number (1,2, default 2): 1Partition 1 has been deleted.Command (m for help): w
The partition table has been altered.
Syncing disks.查看结果
rootHsServer:~# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
sda 8:0 0 931.5G 0 disk
|-sda1 8:1 0 487M 0 part /boot
|-sda2 8:2 0 1K 0 part
-sda5 8:5 0 931G 0 part|-HsServer--vg-root 254:0 0 23.3G 0 lvm /|-HsServer--vg-swap_1 254:1 0 976M 0 lvm [SWAP]|-HsServer--vg-tmp 254:2 0 1.9G 0 lvm /tmp-HsServer--vg-var 254:3 0 300G 0 lvm /var
sdb 8:16 0 111.8G 0 disk
|-sdb1 8:17 0 100M 0 part
|-sdb2 8:18 0 67.9G 0 part
|-sdb3 8:19 0 1K 0 part
-sdb5 8:21 0 43.8G 0 part
sdc 8:32 0 1.8T 0 disk
-sdc2 8:34 0 1T 0 part-Vol2-lvtest 254:4 0 1024G 0 lvm /home7 扩容
7.1 查看之前的状况
rootHsServer:~# df -Th
Filesystem Type Size Used Avail Use% Mounted on
udev devtmpfs 11G 0 11G 0% /dev
tmpfs tmpfs 2.2G 3.1M 2.2G 1% /run
/dev/mapper/HsServer--vg-root ext4 23G 11G 11G 50% /
tmpfs tmpfs 11G 0 11G 0% /dev/shm
tmpfs tmpfs 5.0M 16K 5.0M 1% /run/lock
/dev/mapper/Vol2-lvtest ext4 1007G 56G 901G 6% /home
/dev/sda1 ext2 455M 216M 215M 51% /boot
/dev/mapper/HsServer--vg-tmp ext4 1.8G 80K 1.7G 1% /tmp
/dev/mapper/HsServer--vg-var ext4 295G 9.5G 270G 4% /var
tmpfs tmpfs 2.2G 56K 2.2G 1% /run/user/113
tmpfs tmpfs 2.2G 44K 2.2G 1% /run/user/0rootHsServer:~# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
sda 8:0 0 931.5G 0 disk
|-sda1 8:1 0 487M 0 part /boot
|-sda2 8:2 0 1K 0 part
-sda5 8:5 0 931G 0 part|-HsServer--vg-root 254:0 0 23.3G 0 lvm /|-HsServer--vg-swap_1 254:1 0 976M 0 lvm [SWAP]|-HsServer--vg-tmp 254:2 0 1.9G 0 lvm /tmp-HsServer--vg-var 254:3 0 300G 0 lvm /var
sdb 8:16 0 111.8G 0 disk
|-sdb1 8:17 0 100M 0 part
|-sdb2 8:18 0 67.9G 0 part
|-sdb3 8:19 0 1K 0 part
-sdb5 8:21 0 43.8G 0 part
sdc 8:32 0 1.8T 0 disk
|-sdc1 8:33 0 500G 0 part
| -Vol2-lvtest 254:4 0 1T 0 lvm /home
-sdc2 8:34 0 1T 0 part-Vol2-lvtest 254:4 0 1T 0 lvm /home7.2 扩展物理卷
rootHsServer:~# lvextend -L 10G /dev/mapper/HsServer--vg-varSize of logical volume HsServer-vg/var changed from 300.00 GiB (76800 extents) to 310.00 GiB (79360 extents).Logical volume HsServer-vg/var successfully resized.查看扩容后的结果
rootHsServer:~# df -TH
Filesystem Type Size Used Avail Use% Mounted on
udev devtmpfs 12G 0 12G 0% /dev
tmpfs tmpfs 2.3G 3.3M 2.3G 1% /run
/dev/mapper/HsServer--vg-root ext4 25G 12G 12G 50% /
tmpfs tmpfs 12G 0 12G 0% /dev/shm
tmpfs tmpfs 5.3M 17k 5.3M 1% /run/lock
/dev/mapper/Vol2-lvtest ext4 1.1T 60G 967G 6% /home
/dev/sda1 ext2 477M 227M 225M 51% /boot
/dev/mapper/HsServer--vg-tmp ext4 2.0G 82k 1.9G 1% /tmp
/dev/mapper/HsServer--vg-var ext4 316G 11G 290G 4% /var
tmpfs tmpfs 2.3G 58k 2.3G 1% /run/user/113
tmpfs tmpfs 2.3G 46k 2.3G 1% /run/user/0
