Resize of LVM PV
I was afraid someone was going to say that but i was hoping for a more safer method. I think i will take another backup of all my data 1st then do the below suggestion of deleting the /dev/sda2.
On 02/27/2010 09:31 PM, Roberto Ragusa wrote:
Frederick Abrams wrote:
1) Rebooted with Fedora 12 in Rescue mode
2) e2fsck /dev/mapper/vg_fa-lv_root
3) resize2fs /dev/mapper/vg_fa-lv_root 275G
4) lvresize -L 250G /dev/vg_fa-lv_root
Hmmm, 275G filesystem inside a 250G lv??? You should have done the reverse...
5) pvresize --setphysicalvolumesize 300G /dev/sda2
Device Boot Start End Blocks Id System
/dev/sda1 * 1 26 204800 83 Linux
Partition 1 does not end on cylinder boundary.
/dev/sda2 26 60801 488179201 8e Linux LVM
Now you have to be brave.
You should remove sda2 and recreate it with a smaller size (for example 310G).
The content should not be lost, as the metadata is at the start of the partition.
(refer another mail of mine from 23/8/2008 "lvm resizing and shifting" on this issue)
If you are still alive, you then:
- enlarge the pv to 310 (try to avoid manual specification, always better autodetect).
- enlarge the lv if you want
- enlarge the filesystem if you want
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