[linux-lvm] determining boot disk name(/dev/sd...) on RHEL LVM
mcsontos at redhat.com
Fri Apr 26 15:26:11 UTC 2013
On 04/26/2013 11:19 AM, siva krishna wrote:
> Hi all,
> is there a way to determine the device name (eg: /dev/sda, /dev/sdb)
> on lvm partitioned disks, when the os is booted from the lvm partitioned
> and there are also multiple disks connected which are having lvm partions
> with same volume group names as the primary disk.
lsblk should give you an answer on running system.
> i tried doing vgdisplay
> and then correlating it's output with cat /etc/fstab, cat /etc/cmdline
> but there are multiple volume groups having the same name so can't find
> from which volume the RHEL is booting
You can not have running system with multiple VGs with same name.
I guess you mean the volume group spans over multiple disks, right?
If you happen to really have multiple VGs with same name, you have to
fix VG names - search for words duplicate vg name.
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> linux-lvm at redhat.com
> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
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