linux-kernel - Query on LVM ....

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Message-ID: <174230991E95D743B0C91DF471EF44E8426495432F@MTW02MSG02.mindtree.com>
Date:	Fri, 22 Aug 2008 15:14:01 +0530
From:	Saroj Tripathy <Saroj_Tripathy@...dtree.com>
To:	"'linux-kernel@...r.kernel.org'" <linux-kernel@...r.kernel.org>
CC:	Saroj Tripathy <Saroj_Tripathy@...dtree.com>
Subject: Query on LVM ....

Hi,
I want to know, is there any way I can find out whether my physical volume is activate or deactivate? For example, I have activated my physical volume group say vg_lvm through "vgchange" command.

# vgchange -a Y vg_lvm

Now, how I will know that "vg_lvm" is activated? Is there any way to query or is any config file changed by executing above command? So that I can look for that file or any sorts of command available?

Below I am showing you the results of vgdisply with a deactivated vol group. The output is same in both activate and deactivate volume group.

[root@...sw317 ~]# vgchange -a n vg_lvm
0 logical volume(s) in volume group "vg_lvm" now active

[root@...sw317 ~]# vgdisplay
--- Volume group ---
VG Name vg_lvm
System ID
Format lvm2
Metadata Areas 2
Metadata Sequence No 2
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 1
Open LV 0
Max PV 0
Cur PV 2
Act PV 2
VG Size 1.12 GB
PE Size 4.00 MB
Total PE 288
Alloc PE / Size 25 / 100.00 MB
Free PE / Size 263 / 1.03 GB
VG UUID ci9mLc-JuVk-pUBV-gtYd-T9F2-LxsC-uLXGcb

The Operating System I am using is RHEL 4. Please help me in finding the solutions.

Regards,
Saroj

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