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12-15-2009, 04:27 AM
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#1
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Senior Member
Registered: Jun 2008
Location: Germany
Distribution: Slackware
Posts: 1,466
Rep: 
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Adding a new Space to LVM ?
I am in verse to add a new Hard Drive to my Linux Box.
All I have a new Hard Disk added and shown below:
Code:
[root@localhost ~]# fdisk -l
Disk /dev/sda: 3221 MB, 3221225472 bytes
255 heads, 63 sectors/track, 391 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sda1 * 1 13 104391 83 Linux
/dev/sda2 14 391 3036285 8e Linux LVM
Disk /dev/sdb: 6442 MB, 6442450944 bytes
255 heads, 63 sectors/track, 783 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk /dev/sdb doesn't contain a valid partition table
Code:
[root@localhost ~]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/VolGroup00-LogVol00
2.4G 2.1G 125M 95% /
/dev/sda1 99M 9.5M 85M 11% /boot
none 125M 0 125M 0% /dev/shm
Code:
[root@localhost ~]# vgdisplay
--- 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 2.88 GB
PE Size 32.00 MB
Total PE 92
Alloc PE / Size 92 / 2.88 GB
Free PE / Size 0 / 0
VG UUID IQj7ho-fYeh-Le0g-RNvf-dVJ7-7W2i-jmICey
[root@localhost ~]#
How Can I add more space to / partition? |
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12-15-2009, 04:31 AM
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#2
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LQ Guru
Registered: Jan 2009
Location: Japan
Distribution: Mostly Debian and CentOS
Posts: 6,726
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I can never remember how to do that, and always end up googling for a tutorial. Here's one that google presented just now.
http://tldp.org/HOWTO/LVM-HOWTO/recipeadddisk.html
Cheers,
Evo2. |
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12-15-2009, 04:46 AM
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#3
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Senior Member
Registered: Jun 2008
Location: Germany
Distribution: Slackware
Posts: 1,466
Original Poster
Rep:
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Thanks evo2 that was superb docs.
I followed the link and am now stuck at the resizing point.
Ho can I do it online.
Code:
ADDING A NEW SPACE TO LVM
----------------------------------------------------
[root@localhost ~]# fdisk /dev/sdb
Command (m for help): p
Disk /dev/sdb: 6442 MB, 6442450944 bytes
255 heads, 63 sectors/track, 783 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
Command (m for help): n
Command action
e extended
p primary partition (1-4)
p
Partition number (1-4): 1
First cylinder (1-783, default 1):
Using default value 1
Last cylinder or +size or +sizeM or +sizeK (1-783, default 783): +300MB
Command (m for help): p
Disk /dev/sdb: 6442 MB, 6442450944 bytes
255 heads, 63 sectors/track, 783 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdb1 1 37 297171 83 Linux
Command (m for help): n
Command action
e extended
p primary partition (1-4)
p
Partition number (1-4): 2
First cylinder (38-783, default 38): 37
Value out of range.
First cylinder (38-783, default 38):
Using default value 38
Last cylinder or +size or +sizeM or +sizeK (38-783, default 783): +300
Command (m for help): p
Disk /dev/sdb: 6442 MB, 6442450944 bytes
255 heads, 63 sectors/track, 783 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdb1 1 37 297171 83 Linux
/dev/sdb2 38 338 2417782+ 83 Linux
Command (m for help): w
The partition table has been altered!
Calling ioctl() to re-read partition table.
Syncing disks.
[root@localhost ~]# fdisk /dev/sdb
Command (m for help): p
Disk /dev/sdb: 6442 MB, 6442450944 bytes
255 heads, 63 sectors/track, 783 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdb1 1 37 297171 83 Linux
/dev/sdb2 38 338 2417782+ 83 Linux
Command (m for help): t
Partition number (1-4): 1
Hex code (type L to list codes): 8e
Changed system type of partition 1 to 8e (Linux LVM)
Command (m for help): p
Disk /dev/sdb: 6442 MB, 6442450944 bytes
255 heads, 63 sectors/track, 783 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdb1 1 37 297171 8e Linux LVM
/dev/sdb2 38 338 2417782+ 83 Linux
Command (m for help): t
Partition number (1-4): 2
Hex code (type L to list codes): 8e
Changed system type of partition 2 to 8e (Linux LVM)
Command (m for help): p
Disk /dev/sdb: 6442 MB, 6442450944 bytes
255 heads, 63 sectors/track, 783 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdb1 1 37 297171 8e Linux LVM
/dev/sdb2 38 338 2417782+ 8e Linux LVM
Command (m for help): w
The partition table has been altered!
Calling ioctl() to re-read partition table.
Syncing disks.
[root@localhost ~]#
[root@localhost ~]# pvcreate /dev/sdb1
Physical volume "/dev/sdb1" successfully created
[root@localhost ~]# pvcreate /dev/sdb2
Physical volume "/dev/sdb2" successfully created
[root@localhost ~]# fdisk -l
Disk /dev/sda: 3221 MB, 3221225472 bytes
255 heads, 63 sectors/track, 391 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sda1 * 1 13 104391 83 Linux
/dev/sda2 14 391 3036285 8e Linux LVM
Disk /dev/sdb: 6442 MB, 6442450944 bytes
255 heads, 63 sectors/track, 783 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdb1 1 37 297171 8e Linux LVM
/dev/sdb2 38 338 2417782+ 8e Linux LVM
[root@localhost ~]# pvdisplay
--- Physical volume ---
PV Name /dev/sda2
VG Name VolGroup00
PV Size 2.90 GB / not usable 21.12 MB
Allocatable yes (but full)
PE Size (KByte) 32768
Total PE 92
Free PE 0
Allocated PE 92
PV UUID 3SFLy5-8aup-WXuH-EGj0-V2Zz-jqq1-fqHdtM
"/dev/sdb1" is a new physical volume of "290.21 MB"
--- NEW Physical volume ---
PV Name /dev/sdb1
VG Name
PV Size 290.21 MB
Allocatable NO
PE Size (KByte) 0
Total PE 0
Free PE 0
Allocated PE 0
PV UUID 1lZhYP-tNoD-2wCL-5IQJ-DOe6-yK1E-eH10fR
"/dev/sdb2" is a new physical volume of "2.31 GB"
--- NEW Physical volume ---
PV Name /dev/sdb2
VG Name
PV Size 2.31 GB
Allocatable NO
PE Size (KByte) 0
Total PE 0
Free PE 0
Allocated PE 0
PV UUID EtOdWR-JfG2-l3a9-V6eg-haLY-1jO0-myL80M
[root@localhost ~]#
[root@localhost ~]# vgextend VolGroup00-LogVol00 /dev/sdb1
Volume group "VolGroup00-LogVol00" not found
[root@localhost ~]# vgextend VolGroup00 /dev/sdb1
Volume group "VolGroup00" successfully extended
[root@localhost ~]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/VolGroup00-LogVol00
2.4G 2.1G 125M 95% /
/dev/sda1 99M 9.5M 85M 11% /boot
none 125M 0 125M 0% /dev/shm
[root@localhost ~]# vgextend VolGroup00 /dev/sdb2
Volume group "VolGroup00" successfully extended
[root@localhost ~]# pvscan
PV /dev/sda2 VG VolGroup00 lvm2 [2.88 GB / 0 free]
PV /dev/sdb1 VG VolGroup00 lvm2 [288.00 MB / 288.00 MB free]
PV /dev/sdb2 VG VolGroup00 lvm2 [2.28 GB / 2.28 GB free]
Total: 3 [5.44 GB] / in use: 3 [5.44 GB] / in no VG: 0 [0 ]
[root@localhost ~]#
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12-15-2009, 04:58 AM
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#4
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Senior Member
Registered: Jun 2008
Location: Germany
Distribution: Slackware
Posts: 1,466
Original Poster
Rep:
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I did tried with:
Code:
[root@localhost ~]# lvextend -L+300M /dev/VolGroup00/LogVol00
Rounding up size to full physical extent 320.00 MB
Extending logical volume LogVol00 to 2.69 GB
Logical volume LogVol00 successfully resized
[root@localhost ~]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/VolGroup00-LogVol00
2.4G 2.1G 125M 95% /
/dev/sda1 99M 9.5M 85M 11% /boot
none 125M 0 125M 0% /dev/shm
[root@localhost ~]# fdisk -l
Bot no improvement.
Please help with the same.
I read resize2fs is the command but the command says:
Code:
[root@localhost ~]# resize2fs -f /dev/VolGroup00/LogVol00
resize2fs 1.35 (28-Feb-2004)
/dev/VolGroup00/LogVol00 is mounted; can't resize a mounted filesystem!
I cant unmount the / partition Right?
Whats the Issue here?
Last edited by your_shadow03; 12-15-2009 at 05:00 AM.
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12-15-2009, 05:03 AM
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#5
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LQ Veteran
Registered: Aug 2003
Location: Australia
Distribution: Lots ...
Posts: 21,253
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Do it from a liveCD.
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12-15-2009, 05:07 AM
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#6
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Senior Member
Registered: Jun 2008
Location: Germany
Distribution: Slackware
Posts: 1,466
Original Poster
Rep:
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oops !!!
How to do that?
I never used that?
Any tutorials??
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12-15-2009, 05:10 AM
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#7
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LQ Guru
Registered: May 2009
Location: Gibraltar, Gibraltar
Distribution: Fedora 20 with Awesome WM
Posts: 6,805
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Quote:
Originally Posted by your_shadow03
oops !!!
How to do that?
I never used that?
Any tutorials??
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Hi,
Here's a very easy to follow step by step guide that covers almost everything you need. http://www.howtoforge.com/linux_lvm
Kind regards,
Eric |
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