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Re: [linux-lvm] determining boot disk name(/dev/sd...) on RHEL LVM

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.

-- Marian


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