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# Check if the disk is there ls /dev/sd*   # Expected output (includes /dev/sdc) /dev/sda /dev/sda1 /dev/sda2 /dev/sdb /dev/sdc   # If not, rescan SCSI and repeat above echo "- - -" > /sys/class/scsi_host/host0/scan

# Determine which node is servicing the share pcs status   # Standby the server on which the resources are NOT running pcs cluster standby acd-store2   # Run this command on the STANDBY machine drbdadm secondary jtelshared

# Create the phsyical volume - this is based on sdc assuming it is the third drive on the system lvm pvcreate /dev/sdc # Extend the volume group lvm vgextend "vg_drbd_jtelshared" /dev/sdc # Create the logical volume lvm lvresize -l +100%FREE /dev/vg_drbd_jtelshared/lv_drbd_jtelshared

# Extend the DRBD resource drbdadm -- --assume-clean resize jtelshared

# Resize File System xfs_growfs /dev/drbd/by-res/jtelshared/0

# Back to primary drbdadm primary jtelshared   # Back to unstandby pcs cluster unstandby acd-store2

df -h