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This page provides the instructions for creating a smb(Samba) based NAS leveraging the USB3.0 and Gigabit Ethernet capabilities of the Poplar board for a high speed NAS.
Table of Contents
1) Hardware Required
- Poplar Enterprise Edition Board
- Gigabit Capable Router
- CAT 6 RJ45 LAN Cable(s)
- External Hard Drive
- External Powered Hard drive Dock: Tested on QuantumZero
- 12v Power Adapter
Note: For best performance make sure all the nodes are connected to your router using a CAT 6 cable.
2) Software Required
We need Debian installed on the poplar to get our NAS running, there are two ways to install Debian:
Note: Since OS installation is out of the scope for this guide, feel free to ask around the 96boards forum or on IRC freenode #96boards
3) Software Setup
- Format as Ext4: WARNING! You will loose all data from your external drive.
sudo fdisk /dev/sdaIf all goes well, by pressing N, you will be given the option of creating a new partition in the empty space. If the only unallocated space is the one you want to use, the default choices should be fine and you can just let fdisk choose.Since you want to create an ext partition, you don't need to do anything. If you wanted to create a different type (swap or NTFS or whatever) you would need to use t to change the partition type. I am mentioning this just in case.Check that your changes are what you expected by hitting P to print the partition table.If everything is OK, write the new partition table to the disk (W) and exit (Q).Now that you have your new, empty partition, you can create its filesystem. sudo mkfs.ext4 /dev/sda1
- Mount at boot using fstab: In order to mount our external driver correctly on every boot we need to create an fstab entry
Check the UUID for you partition:ls -l /dev/disk/by-uuid/
- Output should be:
total 0
lrwxrwxrwx 1 root root 10 Jan 2 20:59 4119fd58-05cd-448c-a8d7-7dfc34e5e913 -> ../../sda1
lrwxrwxrwx 1 root root 15 Nov 3 2016 4653-BB13 -> ../../mmcblk0p2
lrwxrwxrwx 1 root root 15 Nov 3 2016 b61297cd-63ae-4ea6-a61e-52400d884884 -> ../../mmcblk0p3
In this case the UUID is 4119fd58-05cd-448c-a8d7-7dfc34e5e913Add the fstab entrysudo vi /etc/fstabUUID="4119fd58-05cd-448c-a8d7-7dfc34e5e913" /media/hdd/ ext4 rw,user,noatime 0 0
- Add the following line to the end
- Replace UUID with your value.
Create Mount Pointsudo mkdir -p /media/hdd/data
- Reboot to check if the mount works.
- Setup SAMBA: We will be using the SMB protocol to make it compatible with Windows based systems as well.
sudo apt install samba Move older config: sudo mv /etc/samba/smb.conf /etc/samba/smb.conf.bakcreate new config: sudo vi /etc/samba/smb.conf
- Add the following lines:
[GHOST]
comment = ghost drive
path = /media/hdd/data
valid users = @users
force group = users
create mask = 0660
directory mask = 0771
read only = no
sudo useradd ghost -m -G usersSet Password for the new user: sudo passwd ghostSet samba share password: sudo smbpasswd -a ghost > This will be used while accessing the NAS
- Install samba package
- Add samba configuration
- Add new user:
- Finalize: Set permissions
sudo chmod 771 /media/hdd/Now you can reboot and test the network share, to check the IP address of the Poplar, just run sudo ifconfig
4) Conclusion
- Static IP: Since Poplar resets MAC on every boot, so does the IP address. You may want to consider setting up a static IP address following Debian's Guide.
- Speed: On my Windows based system I am getting transfer speeds greater than 100MB/s. However, on the same hardware running Linux I get around ~50-80MB/s and this is because of software overhead cased by samba. To overcome this you may want to look into creating NFS Share
- Download Server: Another functionality that I usually like to be added to my NAS is a download server. IMO pyLoad is a great application to provide such functionality.
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