First determine how your Volumes are partitioned
[adam.craft ~]$ ls -l /dev/mapper/
total 0
crw——- 1 root root 10, 63 Nov 3 12:42 control
brw-rw—- 1 root disk 253, 2 Nov 3 12:43 ds4000-1
brw-rw—- 1 root disk 253, 4 Jan 21 12:26 ds4000-1p1
brw-rw—- 1 root disk 253, 3 Nov 3 12:43 ds4000-2
brw-rw—- 1 root disk 253, 5 Jan 31 12:48 ds4000-2p1
brw——- 1 root root 253, 0 Nov 3 12:43 VolGroup00-LogVol00
brw——- 1 root root 253, 1 Nov 3 12:42 VolGroup00-LogVol01
brw——- 1 root root 253, 6 Nov 3 12:43 VolGroup01-backups
brw——- 1 root root 253, 7 Nov 3 12:43 VolGroup01-journals
brw——- 1 root root 253, 10 Nov 3 12:43 VolGroup02-images
brw——- 1 root root 253, 8 Nov 3 12:43 VolGroup02-mirth
brw——- 1 root root 253, 11 Nov 3 12:43 VolGroup02-mysql
brw——- 1 root root 253, 9 Nov 3 12:43 VolGroup02-openvista
Now determine how much each Volume group has free
[adam.craft~]$ sudo vgdisplay
Password:
— Volume group —
VG Name VolGroup01
System ID
Format lvm2
Metadata Areas 1
Metadata Sequence No 6
VG Access read/write
VG Status resizable
MAX LV 256
Cur LV 2
Open LV 2
Max PV 256
Cur PV 1
Act PV 1
VG Size 278.89 GB
PE Size 4.00 MB
Total PE 71396
Alloc PE / Size 69632 / 272.00 GB
Free PE / Size 1764 / 6.89 GB
VG UUID Ukfnc3-kHnH-vNOA-NfjV-5dvi-bp7W-iCzOy6
— Volume group —
VG Name VolGroup02
System ID
Format lvm2
Metadata Areas 1
Metadata Sequence No 27
VG Access read/write
VG Status resizable
MAX LV 256
Cur LV 4
Open LV 4
Max PV 256
Cur PV 1
Act PV 1
VG Size 836.69 GB
PE Size 4.00 MB
Total PE 214192
Alloc PE / Size 167424 / 654.00 GB
Free PE / Size 46768 / 182.69 GB
VG UUID xdYRWX-degE-z5RD-oZV0-Fz5B-Vvw0-k0tLVO
— Volume group —
VG Name VolGroup00
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 278.34 GB
PE Size 32.00 MB
Total PE 8907
Alloc PE / Size 8907 / 278.34 GB
Free PE / Size 0 / 0
VG UUID 54O6oP-ookA-4aed-GUwV-4vVL-aSnR-WvwYnF
Now resize the Logical Volume (adding 30G in this case)
[adam.craft ~]$ sudo lvresize -L +30G /dev/mapper/VolGroup02-mysql
Password:
Extending logical volume mysql to 126.00 GB
Logical volume mysql successfully resized
Then resize the File System
[adam.craft ~]$ sudo resize2fs -p /dev/mapper/VolGroup02-mysql
resize2fs 1.39 (29-May-2006)
Filesystem at /dev/mapper/VolGroup02-mysql is mounted on /var/lib/mysql; on-line resizing required
Performing an on-line resize of /dev/mapper/VolGroup02-mysql to 33030144 (4k) blocks.
The filesystem on /dev/mapper/VolGroup02-mysql is now 33030144 blocks long.
Check the space after resizing
[adam.craft ~]$ df -k -lh
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/VolGroup00-LogVol00
257G 102G 142G 42% /
/dev/sda1 99M 30M 64M 32% /boot
tmpfs 5.9G 0 5.9G 0% /dev/shm
/dev/mapper/VolGroup02-mirth
16G 2.0G 14G 13% /opt/mirth
/dev/mapper/VolGroup01-backups
176G 66G 101G 40% /backups
/dev/mapper/VolGroup02-mysql
125G 77G 42G 66% /var/lib/mysql
/dev/mapper/VolGroup01-journals
93G 28G 61G 32% /journals
/dev/mapper/VolGroup02-openvista
184G 117G 58G 68% /opt/openvista
/dev/mapper/VolGroup02-images
351G 224G 109G 68% /var/www/html/webdav
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