Увеличение LVM раздела для OS CentOS

[root@centos-vm ~]# fdisk -l Disk /dev/sda: 53.7 GB, 53687091200 bytes, 104857600 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: 0x000ae3ad Device Boot Start End Blocks Id System /dev/sda1 * 2048 2099199 1048576 83 Linux /dev/sda2 2099200 20971519 9436160 8e Linux LVM Disk /dev/mapper/cl-root: 8585 MB, 8585740288 bytes, 16769024 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/cl-swap: 1073 MB, 1073741824 bytes, 2097152 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

[root@centos-vm ~]# fdisk /dev/sda 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.

Command (m for help): p

Disk /dev/sda: 53.7 GB, 53687091200 bytes, 104857600 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: 0x000ae3ad

Device Boot Start End Blocks Id System /dev/sda1 * 2048 2099199 1048576 83 Linux /dev/sda2 2099200 20971519 9436160 8e Linux LVM

Command (m for help): n Partition type: p primary (2 primary, 0 extended, 2 free) e extended Select (default p): p Partition number (3,4, default 3): First sector (20971520-104857599, default 20971520): Using default value 20971520 Last sector, +sectors or +size{K,M,G} (20971520-104857599, default 104857599): Using default value 104857599 Partition 3 of type Linux and of size 40 GiB is set

Command (m for help): t Partition number (1-3, default 3): Hex code (type L to list all codes): 8e Changed type of partition 'Linux' to 'Linux LVM'

Command (m for help): p

Disk /dev/sda: 53.7 GB, 53687091200 bytes, 104857600 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: 0x000ae3ad

Device Boot Start End Blocks Id System /dev/sda1 * 2048 2099199 1048576 83 Linux /dev/sda2 2099200 20971519 9436160 8e Linux LVM /dev/sda3 20971520 104857599 41943040 8e Linux LVM

Command (m for help): w The partition table has been altered!

Calling ioctl() to re-read partition table.

WARNING: Re-reading the partition table failed with error 16: Device or resource busy. 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) Syncing disks.

[root@centos-vm ~]# fdisk -l

Disk /dev/sda: 53.7 GB, 53687091200 bytes, 104857600 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: 0x000ae3ad

Device Boot Start End Blocks Id System /dev/sda1 * 2048 2099199 1048576 83 Linux /dev/sda2 2099200 20971519 9436160 8e Linux LVM /dev/sda3 20971520 104857599 41943040 8e Linux LVM

Disk /dev/mapper/cl-root: 8585 MB, 8585740288 bytes, 16769024 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/cl-swap: 1073 MB, 1073741824 bytes, 2097152 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

[root@centos-vm ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/cl-root 8.0G 1.2G 6.9G 15% / devtmpfs 906M 0 906M 0% /dev tmpfs 916M 0 916M 0% /dev/shm tmpfs 916M 8.5M 908M 1% /run tmpfs 916M 0 916M 0% /sys/fs/cgroup /dev/sda1 1014M 138M 877M 14% /boot tmpfs 184M 0 184M 0% /run/user/0
[root@centos-vm ~]# vgdisplay --- Volume group --- VG Name cl System ID Format lvm2 Metadata Areas 1 Metadata Sequence No 3 VG Access read/write VG Status resizable MAX LV 0 Cur LV 2 Open LV 2 Max PV 0 Cur PV 1 Act PV 1 VG Size 9.00 GiB PE Size 4.00 MiB Total PE 2303 Alloc PE / Size 2303 / 9.00 GiB Free PE / Size 0 / 0 VG UUID WXAeXq-GrUz-4R1B-tn0b-vkk1-ZbjA-UaNUqF

[root@centos-vm ~]# vgextend cl /dev/sda3 Volume group "cl" successfully extended
[root@centos-vm ~]# pvscan PV /dev/sda2 VG cl lvm2 [9.00 GiB / 0 free] PV /dev/sda3 VG cl lvm2 [40.00 GiB / 40.00 GiB free] Total: 2 [48.99 GiB] / in use: 2 [48.99 GiB] / in no VG: 0 [0 ]
[root@centos-vm ~]# lvdisplay --- Logical volume --- LV Path /dev/cl/swap LV Name swap VG Name cl LV UUID wBczTI-WAlw-Unoj-PYsp-Kc15-WCTN-7cMMwL LV Write Access read/write LV Creation host, time localhost.localdomain, 2017-08-14 09:00:36 +0300 LV Status available # open 2 LV Size 1.00 GiB Current LE 256 Segments 1 Allocation inherit Read ahead sectors auto - currently set to 8192 Block device 253:1

--- Logical volume --- LV Path /dev/cl/root LV Name root VG Name cl LV UUID vnVoAA-SmHx-UUAv-35dL-FlL1-vMdz-Su2iCW LV Write Access read/write LV Creation host, time localhost.localdomain, 2017-08-14 09:00:36 +0300 LV Status available # open 1 LV Size 8.00 GiB Current LE 2047 Segments 1 Allocation inherit Read ahead sectors auto - currently set to 8192 Block device 253:0

[root@centos-vm ~]# lvextend -l+100%FREE /dev/cl/root Size of logical volume cl/root changed from 8.00 GiB (2047 extents) to 47.99 GiB (12286 extents). Logical volume cl/root successfully resized.
[root@centos-vm ~]# vgscan Reading volume groups from cache. Found volume group "cl" using metadata type lvm2
[root@centos-vm ~]# vgchange -ay 2 logical volume(s) in volume group "cl" now active
[root@centos-vm ~]# xfs_growfs /dev/cl/root meta-data=/dev/mapper/cl-root isize=512 agcount=4, agsize=524032 blks = sectsz=512 attr=2, projid32bit=1 = crc=1 finobt=0 spinodes=0 data = bsize=4096 blocks=2096128, 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 realtime =none extsz=4096 blocks=0, rtextents=0 data blocks changed from 2096128 to 12580864
[root@centos-vm ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/cl-root 48G 1.2G 47G 3% / devtmpfs 906M 0 906M 0% /dev tmpfs 916M 0 916M 0% /dev/shm tmpfs 916M 8.5M 908M 1% /run tmpfs 916M 0 916M 0% /sys/fs/cgroup /dev/sda1 1014M 138M 877M 14% /boot tmpfs 184M 0 184M 0% /run/user/0