login as:
root
oracle@192.168.86.128's
password:
Last
login: Sat Jun 25 09:39:36 2016
[root@localhost
~]# 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): 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 (41943040-62914559, default 41943040):
Using
default value 41943040
Last
sector, +sectors or +size{K,M,G} (41943040-62914559, default 62914559):
Using
default value 62914559
Partition
3 of type Linux and of size 10 GiB is set
Command (m for help): p
Disk /dev/sda: 32.2 GB, 32212254720 bytes, 62914560 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: 0x000b2714
Device Boot Start End Blocks Id System
/dev/sda1
* 2048
2050047 1024000 83 Linux
/dev/sda2
2050048 41943039 19946496
8e Linux LVM
/dev/sda3
41943040 62914559 10485760
83 Linux
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): 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@localhost
~]# reboot
[root@localhost ~]# fdisk -l
Disk /dev/sda: 32.2 GB, 32212254720 bytes, 62914560 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: 0x000b2714
Device Boot Start End Blocks Id System
/dev/sda1
* 2048
2050047 1024000 83 Linux
/dev/sda2
2050048 41943039 19946496
8e Linux LVM
/dev/sda3
41943040 62914559 10485760
8e Linux LVM
Disk /dev/mapper/ol-swap: 3145 MB, 3145728000 bytes, 6144000 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/ol-root: 17.3 GB, 17276338176 bytes, 33742848 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@localhost ~]# pvcreate /dev/sda3
WARNING:
xfs signature detected on /dev/sda3 at offset 0. Wipe it? [y/n] y
Wiping xfs signature on /dev/sda3.
Physical volume "/dev/sda3" successfully created
[root@localhost
~]# vgdisplay
--- Volume group ---
VG
Name
ol
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
19.02 GiB
PE
Size
4.00 MiB
Total
PE
4869
Alloc PE / Size 4869 / 19.02 GiB
Free PE / Size 0 / 0
VG
UUID
Ay0nlL-BUuA-ltwR-GzYz-5NUl-ooBM-qBRNA6
[root@localhost ~]# pvscan
PV
/dev/sda2 VG
ol
lvm2 [19.02 GiB / 0 free]
PV
/dev/sda3
lvm2 [10.00 GiB]
Total: 2 [29.02 GiB] / in use: 1 [19.02 GiB] / in no VG: 1 [10.00 GiB]
[root@localhost
~]# vgextend ol /dev/sda3
Volume group "ol" successfully extended
[root@localhost
~]# pvscan
PV
/dev/sda2 VG ol lvm2 [19.02 GiB / 0
free]
PV
/dev/sda3 VG ol lvm2 [10.00 GiB / 10.00 GiB free]
Total: 2 [29.02 GiB] / in use: 2 [29.02 GiB] / in no VG: 0 [0 ]
[root@localhost
~]# lvdisplay
--- Logical volume ---
LV
Path
/dev/ol/swap
LV
Name
swap
VG
Name
ol
LV
UUID
A3qVoi-7ZI3-K6EN-ioa3-f1J3-n8ND-0yR3Xn
LV
Write Access read/write
LV
Creation host, time localhost, 2015-01-02 15:22:08 -0500
LV
Status
available
#
open
2
LV
Size
2.93 GiB
Current
LE 750
Segments
1
Allocation
inherit
Read ahead sectors auto
-
currently set to 256
Block device 252:0
--- Logical volume ---
LV
Path
/dev/ol/root
LV
Name
root
VG
Name
ol
LV
UUID
0anOak-0QeZ-qmE2-QVyL-Bji9-lMzg-5I2S3k
LV
Write Access read/write
LV
Creation host, time localhost, 2015-01-02 15:22:08 -0500
LV
Status
available
#
open
1
LV
Size
16.09 GiB
Current
LE 4119
Segments
1
Allocation
inherit
Read ahead sectors auto
-
currently set to 256
Block device 252:1
[root@localhost ~]# lvextend /dev/ol/root /dev/sda3
Extending logical volume root to 26.09 GiB
Logical volume root successfully resized
[root@localhost
~]# df -h
Filesystem
Size Used Avail Use% Mounted on
/dev/mapper/ol-root
17G 11G 6.0G 63% /
devtmpfs
857M 0 857M 0% /dev
tmpfs
866M 80K 866M 1% /dev/shm
tmpfs
866M 9.0M 857M 2% /run
tmpfs
866M 0 866M 0% /sys/fs/cgroup
/dev/sda1
997M 153M 844M 16% /boot
[root@localhost
~]# resize2fs /dev/ol/root
resize2fs
1.42.9 (28-Dec-2013)
resize2fs:
Bad magic number in super-block while trying to open /dev/ol/root
Couldn't
find valid filesystem superblock.
[root@localhost
~]# xfs_growfs /dev/mapper/ol-root
meta-data=/dev/mapper/ol-root
isize=256 agcount=4, agsize=1054464 blks
=
sectsz=512 attr=2, projid32bit=1
=
crc=0
data
=
bsize=4096 blocks=4217856, imaxpct=25
=
sunit=0 swidth=0 blks
naming
=version
2
bsize=4096 ascii-ci=0 ftype=0
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 4217856 to 6838272
[root@localhost
~]# df -h
Filesystem
Size Used Avail Use% Mounted on
/dev/mapper/ol-root
27G 11G 16G 39% /
devtmpfs
857M 0 857M 0% /dev
tmpfs
866M 80K 866M 1% /dev/shm
tmpfs
866M 9.0M 857M 2% /run
tmpfs
866M 0 866M 0% /sys/fs/cgroup
/dev/sda1
997M 153M 844M 16% /boot
nice document. i was followed step by step, file system space was increased.
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