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Old 06-25-2014, 10:08 AM   #1
PoleStar
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Registered: Jul 2010
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extending pv/vg on same disk in VM


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.
 
Old 06-25-2014, 10:53 AM   #2
canussie
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so did you change the partition boundaries of /dev/sda2? or did you create a new parition /dev/sda3? or add a new disk?
 
Old 06-25-2014, 11:03 AM   #3
kbnuts
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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.
 
Old 06-25-2014, 11:24 AM   #4
PoleStar
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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
 
Old 06-25-2014, 11:47 AM   #5
canussie
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its all good now?
 
Old 06-25-2014, 12:06 PM   #6
PoleStar
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yes.

Thanks
 
  


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