At the command prompt, type partprobe and press Enter.

$10$

At the command prompt, type pvcreate device and press Enter, where device is the device file for the $1$ GB partition that you created in Step $4.$ Next, type pvdisplay and press Enter to view the details for your PV$.$

$11$

At the command prompt, type vgcreate vg$00/$dev$/$sda$6$ and press Enter. Next, type vgdisplay and press Enter to view the details for your VG$.$

$12$

At the command prompt, type lvcreate $$L $0\mathrm{.}9$GB $$n newdata vg$00$ and press Enter to create a $0\mathrm{.}9$ GB LV called newdata from the vg$00$ VG$.$ Next, type lvdisplay and press Enter to view the path and size of your new LV$.$

$13$

At the command prompt, type mkfs $$t ext$4/$dev$/$vg$00/$newdata and press Enter to format the newdata LV using the ext$4$ filesystem. Next, type mkdir $/$newdata and press Enter to create a mount point for the newdata LV$.$ Following this, type mount $/$dev$/$vg$00/$newdata $/$newdata and press Enter to mount the newdata LV to the $/$newdata directory.

$14$

At the command prompt, type df $-$hT and press Enter to verify that your LV is mounted via the device mapper. Next, type ls $-$l $/$dev$/$vg$00/$newdata and press Enter, noting it is a symbolic link to a device mapper device file. Following this, type lsblk and press Enter to note the relationship between your LV and your PV$.$

$15$

At the command prompt, type ls $$F $/$newdata and press Enter. Is there a lost$+$found directory available? Why?

$16$

At the command prompt, type pvcreate device and press Enter, where device is the device file for the $1$ GB partition that you created in Step $6.$ Next, type pvdisplay and press Enter to view the details for your PV$.$

$17$

At the command prompt, type vgextend vg$00$ device and press Enter, where device is the device file for the $1$ GB partition that you created in Step $6.$ Next, type vgdisplay and press Enter. Note that the total size of your VG reflects both PVs$.$

$18$

At the command prompt, type lvextend $$L $+0\mathrm{.}9$GB $-$r $/$dev$/$vg$00/$newdata and press Enter to extend your newdata LV by another $0\mathrm{.}9$ GB$.$ Next, type lvdisplay and press Enter, noting the size has doubled. Following this, type df $-$hT and press Enter, noting the ext$4$ filesystem was automatically resized to match the new LV capacity.

$19$

At the command prompt, type lsblk and press Enter to note the relationship between your LV and your two PVs$.$

$20$

At the command prompt, type vi $/$etc$/$fstab and press Enter. Add the following line to the bottom of the file to ensure that the newdata LV is mounted at boot time:

$/$dev$/$vg$00/$newdata $/$newdata ext$4$ defaults $00$