====== Zyxel NSA310 ======

====== Technical info ======

Fan: 12V / 4200RPM / 4,11CFM / 0,06A / 3pin (one pin for RPM feedback)

5 two color LEDS:
  - SATA1
  - SATA2
  - System
  - USB
  - Copy

3 Buttons:
  - POWER (on front)
  - COPY (on front)
  - OPTION (on the back)

====== Original system ======

===== NAND Flash ====
<code>
NAND device: Manufacturer ID: 0xec, Chip ID: 0xf1 (Samsung NAND 128MiB 3,3V 8-bit), page size: 2048, OOB size: 64
Scanning device for bad blocks
Creating 9 MTD partitions on "orion_nand":
0x000000000000-0x000000100000 : "uboot"
0x000000100000-0x000000180000 : "uboot_env"
0x000000180000-0x000000200000 : "key_store"
0x000000200000-0x000000280000 : "info"
0x000000280000-0x000000c80000 : "etc"
0x000000c80000-0x000001680000 : "kernel_1"
0x000001680000-0x000004640000 : "rootfs1"
0x000004640000-0x000005040000 : "kernel_2"
0x000005040000-0x000008000000 : "rootfs2"
</code>

<code>
# cat /proc/partitions
major minor  #blocks  name

   7        0     126976 loop0
   8        0  976762584 sda
   8        1     514048 sda1
   8        2  976245952 sda2
  31        0       1024 mtdblock0
  31        1        512 mtdblock1
  31        2        512 mtdblock2
  31        3        512 mtdblock3
  31        4      10240 mtdblock4
  31        5      10240 mtdblock5
  31        6      48896 mtdblock6
  31        7      10240 mtdblock7
  31        8      48896 mtdblock8
   9        0  976245888 md0
</code>

===== HDD layout on original NSA310 firmware =====
Partitions:
  - /dev/sdd1 502MB type 0x8 (Ext2)
<code>
drwxr-xr-x 2 root root     12288 Oct  5 11:15 lost+found
-rwxrwxrwx 1 root root 370147328 Oct  5 11:16 swap_ul6545p
-rw-r--r-- 1 root root 130023424 Oct  5 11:15 sysdisk.img
</code>
  - /dev/sdd2 931GB type 0x20 (Linux RAID Member v 0.90.0)
  - /dev/md0 (contains Ext4 v 1.0)
<code>
drwxrwxrwx  4 root root    4096 Jul 29  2013 admin
-rw-------  1 root root    9216 Mar 23 22:06 aquota.user
drwxr-xr-x 11  501 root    4096 Apr 17  2013 backup
-rw-r--r--  1 root root 4190869 Mar 15  2014 dump
drwxrwsrwx  2 root root   16384 Sep 14  2012 lost+found
drwxrwxrwx  2 root root    4096 Sep 14  2012 music
drwxrwxrwx  2 root root    4096 Sep 14  2012 photo
drwxrwxrwx 11 root root    4096 Oct  5 12:25 public
drwxrwsrwx  2  501 root    4096 Sep 29 20:37 tftpd
drwxrwxrwx  2 root root    4096 Sep 14  2012 video

</code>



<code>
#mdadm --examine --scan
ARRAY /dev/md0 UUID=841eae0f:97895553:d4cced71:a5fa1a38

# mount 
/dev/md0 on /i-data/841eae0f type ext4 (rw,noatime,barrier=0,data=writeback,usrquota)

# cat /proc/mdstat
Personalities : [linear] [raid0] [raid1]
md0 : active linear sda2[0]
      976245888 blocks 64k rounding

unused devices: <none>
</code>

<code>
 mdadm --detail /dev/md0
/dev/md0:
        Version : 0.90
  Creation Time : Fri Sep 14 12:29:24 2012
     Raid Level : linear
     Array Size : 976245888 (931.02 GiB 999.68 GB)
   Raid Devices : 1
  Total Devices : 1
Preferred Minor : 0
    Persistence : Superblock is persistent

    Update Time : Fri Sep 14 12:29:24 2012
          State : clean 
 Active Devices : 1
Working Devices : 1
 Failed Devices : 0
  Spare Devices : 0

       Rounding : 64K

           UUID : 841eae0f:97895553:d4cced71:a5fa1a38
         Events : 0.1

    Number   Major   Minor   RaidDevice State
       0       8       50        0      active sync   /dev/sdd2

</code>