[linux-lvm] liblvm IOCTL/sysfs interface
Bryn M. Reeves
bmr at redhat.com
Thu Mar 19 11:37:57 UTC 2009
On Thu, 2009-03-19 at 17:01 +0530, Sandeep K Sinha wrote:
> So, I should see the information like.
> target1 - /dev/sda5 ---- 0 -- 10000 ( BEGIN -- Length )
> target2 - /dev/sda6 ---- 10001 -- 4000
> We do maintain these informations inside the kernel, We should atleast
> have an ioctl or sysfs based interface to extract
> these information.
> Liblvm is under development, won't it be of a good use to provide such
> a functionality.
This is a lower level than liblvm targets (liblvm will work in terms of
"LVM level" objects; pvs, vgs, lvs). The functionality to observe and
manipulate the targets used by a specific LVM device is already provided
by libdevmapper and the dmsetup tool.
More information about the linux-lvm