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====== NAS - Build a Linux NAS - Mount the RAID Array ======

===== Mount the Array =====

<code bash>
sudo mkdir /mnt/nas
sudo mount /dev/md0 /mnt/nas
</code>

----

===== Set Permissions of the Mount =====

<code bash>
chmod 0777 /mnt/nas
</code>

<WRAP info>
**NOTE:** This will allow all users to have access to this location.

  * This could be restricted to only specific users or groups as required.

</WRAP>

----

===== Check how much disk space is available in the RAID =====

<code bash>
df -h /mnt/nas
</code>

returns:

<code bash>
</code>

----


===== Check the Mount =====

<code bash>
lsblk
</code>

returns:

<code bash>
NAME                   MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
sda                      8:0    0 232.9G  0 disk 
├─sda1                   8:1    0  1007K  0 part 
├─sda2                   8:2    0   512M  0 part /boot/efi
├─sda3                 253:28   0     8G  0 part [SWAP]
├─sda4                 253:29   0    58G  0 part /
sdb                      8:32   0  14.6T  0 disk 
├─md0                    9      0  14.6T  0 raid5 /mnt/nas
sdc                      8:48   0  14.6T  0 disk 
├─md0                    9      0  14.6T  0 raid5 /mnt/nas
sdd                      8:64   0  14.6T  0 disk 
├─md0                    9      0  14.6T  0 raid5 /mnt/nas
</code>

----

===== Test writing to the mounted array =====

<code bash>
sudo touch /mnt/nas/test
ls -al /mnt/nas/
</code>

returns:

<code bash>
total 24
drwxr-xr-x 3 root root 4096 Feb 14 11:19 .
drwxr-xr-x 4 root root 4096 Feb 14 11:19 ..
drwx------ 2 root root 16384 Feb 14 11:19 lost+found
-rw-r--r-- 1 root root 0 Feb 14 11:19 test
</code>

----

===== Ensure the array always get mounted on boot =====

<code bash>
echo '/dev/md0 /mnt/nas ext4 defaults,nofail 0 0' | sudo tee -a /etc/fstab
</code>

returns:

<code bash>
/dev/md0 /mnt/nas ext4 defaults,nofail 0 0
</code>

<WRAP info>
**NOTE:**  This adds an entry into the **/etc/fstab** file.

The **x-gvfs-show** option can also be used, which will let you see the RAID in the sidebar of the gnome file manager.

<code bash>
/dev/md0  /mnt/nas ext4 defaults,x-gvfs-show 0 0
</code>

</WRAP>