[SOLVED] extending pv/vg on same disk in VM

PoleStar · 06-25-2014, 09:08 AM

Hi,

So we installed OS on

Code:

/dev/sda-----> 60GB
/dev/sda1---->/boot
/dev/sda2----> LVMs  ---50GB

(VM box)

Then we had to add more space

Code:

/dev/sda  ------>90GB

now

Code:

fdisk -l

see disk as 90GB

but

Code:

pvdisplay 
pvscan
pvextend

dont make new 30GB part of PV/VG.

Any ideas.

canussie · 06-25-2014, 09:53 AM

so did you change the partition boundaries of /dev/sda2? or did you create a new parition /dev/sda3? or add a new disk?

kbnuts · 06-25-2014, 10:03 AM

Well, you haven't done anything to the partitions yet from what i see. Create a new partition /dev/sda3 on that disk, then add it to the volume group (vgextend), then extend the lv (lvextend -l +100%FREE).

then resize the filesystem using resize2fs/gfs2grow (whatever's appropriate for your filesystem basically)

If your pv is the partition /dev/sda2 then as you haven't added that space to sda2 pvextend isn't going to do much.

PoleStar · 06-25-2014, 10:24 AM

I see you point.

Also I was about to do, from fdisk,

Code:

delete second partition
recreate second partition with full size
write changes to disk

But then I playes safe and created /dev/sda3 and added it to current

Code:

vgextend VG  /dev/sda3

Thanks for your helpl

canussie · 06-25-2014, 10:47 AM

its all good now?

PoleStar · 06-25-2014, 11:06 AM

yes.

Thanks