[Ilugc] Linux BMR - Getting Volume Group name and LV Names in C++ code - [OT]
selvaraj v s
vsselvaraj at gmail.com
Wed Jul 11 21:21:42 IST 2012
I have two partitions /dev/sda1 as /boot and /dev/sda2 as LVM partition.. i
need to backup the partition details and restore in during the BMR
restore.. i made the backup and restore process for non LVM partitioned
hard disk. But while getting the details of the LVM partition , i got
struck. The lvms are ext4 file system...
On Wed, Jul 11, 2012 at 8:56 PM, Rajagopal Swaminathan <
raju.rajsand at gmail.com> wrote:
> On Wed, Jul 11, 2012 at 1:23 PM, selvaraj v s <vsselvaraj at gmail.com>
> > Hi,
> > I am doing Linux BMR . I need to handle the LVMs for that case. While
> > backing up i need to backup the "Volume group names" using pvscan in
> > command and "Logical Volume names" using lvscan and keep it in a file..
> > Now i use vgdisplay command to know whether the source disk is lvm.. If
> > output is "No volume groups found" i will take it as not an lvm disk.. I
> > need to know whether this a rite way to backup lv names and vg names.. or
> > if there is any better way to do it , kindly suggest me.
> > While i use vgdisplay and execute in system command in C side , i get
> > list of files with a message that those files are getting leaked on
> > invocation of vgdisplay. I am confused why it is so.. Kindly tel your
> > suggestions..
> > Thanks
> > Selva
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> what is the partiion type?
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