I needed a place where I can store my backups
Geographically somewhere else than my main server
As cheap as possible
Highly secure
At least 3-4 M/s throughput
Low power consumption
USB HDD + manual backup
NAS
Cloud
Raspberry PI
1 GHZ CPU (2 cores)
1 GB memory
Gigabit ethernet
SATA port
Separate buses
E-bay + DealExtreme
Part | Specs | Price |
---|---|---|
Banana PI | $45 | |
Power supply | 5V, 3000 mAh | $5.5 |
SATA cable | $4 | |
Case | Transparent | $8 |
Heatsinks | 4 pieces set | $5 |
SD card | Kingston 16GB Class 10 | $11.5 |
HDD | WD Green 2 TB SATA-3 Laptop | 35000 HUF |
Custom bootloader
No error messages
LEDs
Raspbian
Bananian
Arch
Berryboot
Raspbian for Banana PI
Simple dd
Interactive menu after installation
Further configurations over SSH
WPA supplicant
Raspbian contains some junk
Update
Not enough power?
Partitioning, formatting to ext4
HDParm
UFW
Fail2ban
Backup user and sudoer user
Restricting SSH to backup user
Encrypting /home
~20k HUF + HDD
Secure connection
Secure storage
User for administration
~4+M/s over Wifi (150M)
8-9W on load
2W on idle