lvm2 pvmove Issue

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I am running a test using lvm2, specifically using pvmove.

 

What I've done is added drive sdb1 to my volume group vg_rh6

 

# vgextend vg_rh6 /dev/sdb1
No physical volume label read from /dev/sdb1
Physical volume "/dev/sdb1" successfully created
Volume group "vg_rh6" successfully extended
 

I then created a logical volume lv_datas

# lvcreate -L 250m -n lv_datas vg_rh6
Rounding up size to full physical extent 252.00 MiB
Logical volume "lv_datas" created
 

I format my logical volume lv_datas

# mkfs.ext4 /dev/vg_rh6/lv_datas

 

And finally mount it

# mount /dev/vg_rh6/lv_datas /mnt/lvdata/
 

I copy data over

# cp -R /etc/sysconfig/ /mnt/lvdata/
 

I add a second drive to my volume group

# vgextend vg_rh6 /dev/sdc1 

No physical volume label read from /dev/sdc1
Physical volume "/dev/sdc1" successfully created
Volume group "vg_rh6" successfully extended

 

It shows up fine

# pvs
PV         VG     Fmt  Attr PSize  PFree
/dev/sda2  vg_rh6 lvm2 a-   15.51g    0
/dev/sdb1  vg_rh6 lvm2 a-    5.00g 4.75g
/dev/sdc1  vg_rh6 lvm2 a-    4.00g 4.00g

 

I create a new logical volume

# lvcreate -L 300m -n lv_bkp vg_rh6
Logical volume "lv_bkp" created
 

And this shows up fine also

# lvs
LV       VG     Attr   LSize   Origin Snap%  Move Log Copy%  Convert
lv_bkp   vg_rh6 -wi-a- 300.00m                                     
lv_datas vg_rh6 -wi-ao 252.00m                                     
lv_root  vg_rh6 -wi-ao  11.54g                                     
lv_swap  vg_rh6 -wi-ao   3.97g

 

I don't know that this is a big deal, but I also format this new logical volume

# mkfs.ext4 /dev/vg_rh6/lv_bkp
mke2fs 1.41.12 (17-May-2010)

 

Then I finally initiate pvmove

# pvmove /dev/sdb1 /dev/sdc1
  /dev/sdb1: Moved: 2.2%
  /dev/sdb1: Moved: 45.7%
  /dev/sdb1: Moved: 100.0%

 

Once it finishes I check the original physical volume and it says that it is empty.

# pvdisplay /dev/sdb1
  --- Physical volume ---
  PV Name               /dev/sdb1
  VG Name               vg_rh6
  PV Size               5.00 GiB / not usable 4.00 MiB
  Allocatable           yes
  PE Size               4.00 MiB
  Total PE              1279
  Free PE               1279
  Allocated PE          0
  PV UUID               KqVMC0-cH8N-P0II-I27C-HFXF-sZIZ-o0LQUl
  

The second physical volume shows to have data.

# pvdisplay /dev/sdc1
  --- Physical volume ---
  PV Name               /dev/sdc1
  VG Name               vg_rh6
  PV Size               4.00 GiB / not usable 4.00 MiB
  Allocatable           yes
  PE Size               4.00 MiB
  Total PE              1023
  Free PE               885
  Allocated PE          138
  PV UUID               i11arc-VXrl-e72V-9N9c-H2fw-laTC-HFM0Pw

 

Ok, here is my issue. What step do I take next to access the newly moved data on /dev/sdc1?

 

I've tried mounting the logical volume that I created previously (lv_bkp) to my system and although pvdisplay shows that I got data on /dev/sdc1, I don't know what I need to do to access it?
 

SA

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