Understanding device error busy error: What happens basically, is that Linux / UNIX will not allow you to unmount a device that is busy. There are many reasons for this (such as program accessing partition or open file) , but the most important one is to prevent data loss.

Try the following command to […]

[root@localhost ~]# pvcreate /dev/sdb /dev/sdc /dev/sdd Physical volume “/dev/sdb” successfully created Physical volume “/dev/sdc” successfully created Physical volume “/dev/sdd” successfully created

  pvs [root@localhost ~]# pvs PV VG Fmt Attr PSize PFree /dev/sda2 rhel lvm2 a– 39.51g 0 /dev/sdb lvm2 a– 20.00g 20.00g /dev/sdc lvm2 a– 20.00g 20.00g /dev/sdd lvm2 a– 20.00g 20.00g

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