Adding a partition to existing LVM
Steven Stern
subscribed-lists at sterndata.com
Thu Nov 29 05:05:07 UTC 2007
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On 11/28/2007 11:01 PM, Steven Stern wrote:
> I had installed Fedora on a dual-boot system using default partition,
> where Windows had the first partitions on both drives, C and D. I've
> removed the D partition to give that to Fedora. Although it looks like
> the logical volume is 74GB larger, df is showing the same 143GB as before.
>
> How do I get Fedora LVM to use all of the space?
>
> Following instructions from various Googled sources, I created a
> partition /dev/sdb1(formerly D) and added it to VolGroup00
>
> # pvdisplay
> --- Physical volume ---
> PV Name /dev/sda3
> VG Name VolGroup00
> PV Size 74.32 GB / not usable 8.80 MB
> Allocatable yes (but full)
> PE Size (KByte) 32768
> Total PE 2378
> Free PE 0
> Allocated PE 2378
> PV UUID ZQ0z6V-iME2-7hNv-8oFY-CPz1-I3p9-qr0UIC
>
> --- Physical volume ---
> PV Name /dev/sdb2
> VG Name VolGroup00
> PV Size 74.31 GB / not usable 25.11 MB
> Allocatable yes (but full)
> PE Size (KByte) 32768
> Total PE 2377
> Free PE 0
> Allocated PE 2377
> PV UUID stTPob-H2GB-5TiA-br1Z-tfp1-nveK-qr83m1
>
> --- Physical volume --- ##### THIS IS THE NEW ONE ######
> PV Name /dev/sdb1
> VG Name VolGroup00
> PV Size 74.74 GB / not usable 23.00 MB
> Allocatable yes
> PE Size (KByte) 32768
> Total PE 2391
> Free PE 105
> Allocated PE 2286
> PV UUID LZTmnI-3TY7-2Ch8-h08E-VQA0-XVzN-jAtEYD
>
>
> It looks like the LV increased in size by the extra 74GB
>
> # lvdisplay
> --- Logical volume ---
> LV Name /dev/VolGroup00/LogVol00
> VG Name VolGroup00
> LV UUID OIyFZ7-cfpt-BCiN-x51g-KWki-D3df-XTm3Ll
> LV Write Access read/write
> LV Status available
> # open 1
> LV Size 218.09 GB
> Current LE 6979
> Segments 4
> Allocation inherit
> Read ahead sectors 0
> Block device 253:0
>
> --- Logical volume ---
> LV Name /dev/VolGroup00/LogVol01
> VG Name VolGroup00
> LV UUID pxWlHu-qCUk-9K3E-RK6i-DFJb-OyDN-2nEmmh
> LV Write Access read/write
> LV Status available
> # open 1
> LV Size 1.94 GB
> Current LE 62
> Segments 1
> Allocation inherit
> Read ahead sectors 0
> Block device 253:1
>
>
> # more /etc/fstab
> /dev/VolGroup00/LogVol00 / ext3 defaults 1 1
> LABEL=/boot /boot ext3 defaults 1 2
> tmpfs /dev/shm tmpfs defaults 0 0
> devpts /dev/pts devpts gid=5,mode=620 0 0
> sysfs /sys sysfs defaults 0 0
> proc /proc proc defaults 0 0
> /dev/VolGroup00/LogVol01 swap swap defaults 0 0
>
>
>
I forgot to paste this in:
# vgdisplay
--- Volume group ---
VG Name VolGroup00
System ID
Format lvm2
Metadata Areas 3
Metadata Sequence No 7
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 2
Open LV 2
Max PV 0
Cur PV 3
Act PV 3
VG Size 223.31 GB
PE Size 32.00 MB
Total PE 7146
Alloc PE / Size 7041 / 220.03 GB
Free PE / Size 105 / 3.28 GB
VG UUID 6lbl9Q-GpHX-VqBT-GRnI-u2YF-8Elj-0REx16
- --
Steve
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