[linux-lvm] problem in /proc/lvm/global help please..

["abbireddy venkatram reddy" <venkat storageone co kr>]

Hi all,

 

 

 I am reading information of lvms from the /proc/lvm directory.

 

 but the snapshot size is shown as same size as lv if I create with lesses size of lv also.

 

 can anybody help me please.

 

 thanks in advance.

 eg.

 

file information: /proc/lvm/global

 

VG:  vg01  [2 PV, 2 LV/2 open]  PE Size: 65536 KB
  Usage [KB/PE]: 52232192 /797 total  3866624 /59 used  48365568 /738 free
  PVs: [AA] rd/c0d0p5             41091072 /627      3080192 /47      38010880 /580
       [AA] rd/c0d0p6             11141120 /170            0 /0       11141120 /170
    LVs: [AWDL  ] lv01                       3080192 /47       1x open
         [ARDL  ] lv01_snap0217_1550         3080192 /47       1x open

 

 

 output from the lvscan :

 

lvscan -- ACTIVE   Original "/dev/vg01/lv01" [2.94 GB]
lvscan -- ACTIVE   Snapshot "/dev/vg01/lv01_snap0217_1550" [767.25 MB] of /dev/vg01/lv01

Please help me. what is the reason?. is kernel problem?

 

with regards

venkat.