1. im Disk vergrößern
~# fdisk /dev/sda
WARNING: DOS-compatible mode is deprecated. It's strongly recommended to
switch off the mode (command 'c') and change display units to
sectors (command 'u').
Command (m for help): p
Disk /dev/sda: 53.7 GB, 53687091200 bytes
255 heads, 63 sectors/track, 6527 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x0009e9ef
Device Boot Start End Blocks Id System
/dev/sda1 * 1 32 248832 83 Linux
Partition 1 does not end on cylinder boundary.
/dev/sda2 32 1306 10233857 5 Extended
/dev/sda4 1306 3263 15725311+ 83 Linux
/dev/sda5 32 1306 10233856 8e Linux LVM
Command (m for help): d
Partition number (1-5): 4
Command (m for help): p
Disk /dev/sda: 53.7 GB, 53687091200 bytes
255 heads, 63 sectors/track, 6527 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x0009e9ef
Device Boot Start End Blocks Id System
/dev/sda1 * 1 32 248832 83 Linux
Partition 1 does not end on cylinder boundary.
/dev/sda2 32 1306 10233857 5 Extended
/dev/sda5 32 1306 10233856 8e Linux LVM
Command (m for help): n
Command action
l logical (5 or over)
p primary partition (1-4)
p
Partition number (1-4): 4
First cylinder (1306-6527, default 1306):
Using default value 1306
Last cylinder, +cylinders or +size{K,M,G} (1306-6527, default 6527):
Using default value 6527
Command (m for help): p
Disk /dev/sda: 53.7 GB, 53687091200 bytes
255 heads, 63 sectors/track, 6527 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x0009e9ef
Device Boot Start End Blocks Id System
/dev/sda1 * 1 32 248832 83 Linux
Partition 1 does not end on cylinder boundary.
/dev/sda2 32 1306 10233857 5 Extended
/dev/sda4 1306 6527 41943391+ 83 Linux
/dev/sda5 32 1306 10233856 8e Linux LVM
Command (m for help):
Command (m for help): Command (m for help):
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.
~# reboot
:~# pvresize /dev/sda4
Physical volume "/dev/sda4" changed
1 physical volume(s) resized / 0 physical volume(s) not resized
~# pvdisplay
--- Physical volume ---
PV Name /dev/sda5
VG Name root_vg
PV Size 9.76 GiB / not usable 2.00 MiB
Allocatable yes
PE Size 4.00 MiB
Total PE 2498
Free PE 593
Allocated PE 1905
PV UUID 0Wduj4-JJpL-Z47g-uBPW-FoiY-VKar-Ij9zZa
--- Physical volume ---
PV Name /dev/sda4
VG Name data_vg
PV Size 40.00 GiB / not usable 32.50 KiB
Allocatable yes
PE Size 4.00 MiB
Total PE 10240
Free PE 7680
Allocated PE 2560
PV UUID Yhx1aL-mi6J-UkeQ-Tvcs-329Y-USpk-WSpgIg
:~# lvresize -L +10G /dev/mapper/data_vg-data_lv
:~# resize2fs /dev/data_vg/data_lv