Add-On Packages/Setup

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==Primary Flash as Add-On HDD==
 +
:Use the following procedure to use the add-on hard drive feature with available storage on the primary flash (intended for routers with a primary flash that is 4 GB or larger).
 +
 +
:- Ensure a DNS server is configured and the router has access to the Internet.
 +
:- Drop to a bash shell command line (Main menu option 3 Advanced -> option 1 Bash shell).
 +
:- Update the router OS.
 +
  update 4.4.0
 +
:- Reboot the router after the OS update completes successfully.
 +
 +
:- Drop to a bash shell command line (3. Advanced, 1. Bash shell).
 +
:- Run fdisk on the primary flash device (normally /dev/hda).
 +
  fdisk /dev/hda
 +
 +
:- Document the existing partition scheme (option 'p' in fdisk) which will look similar to the output below.
 +
  Command (m for help): p
 +
  Disk /dev/hda: 16 heads, 63 sectors, 15538 cylinders
 +
  Units = cylinders of 1008 * 512 bytes
 +
    Device Boot    Start      End    Blocks  Id  System
 +
  /dev/hda1  *        1      131    65992+  83  Linux
 +
  /dev/hda2          132      148      8568  83  Linux
 +
  /dev/hda3          149      214    33264  83  Linux
 +
  /dev/hda4          215    15538  7723296  83  Linux
 +
 +
:- Delete the hda3 and hda4 paritions.
 +
  Command (m for help): d
 +
  Partition number (1-4): 3
 +
  Command (m for help): d
 +
  Partition number (1-4): 4
 +
 +
:- Write the changes to disk by using the 'w' command.
 +
  Command (m for help): w
 +
  The partition table has been altered!
 +
  Calling ioctl() to re-read partition table.
 +
  WARNING: If you have created or modified any DOS 6.x
 +
  partitions, please see the fdisk manual page for additional
 +
  information.
 +
  Syncing disks.
 +
 +
:- Run fdisk on the primary flash device (normally /dev/hda) again.
 +
  fdisk /dev/hda
 +
 +
: - Confirm the partition table only shows hda1 and hda2 by using the 'p' command.
 +
  Command (m for help): p
 +
  Disk /dev/hda: 16 heads, 63 sectors, 15538 cylinders
 +
  Units = cylinders of 1008 * 512 bytes
 +
    Device Boot    Start      End    Blocks  Id  System
 +
  /dev/hda1  *        1      131    65992+  83  Linux
 +
  /dev/hda2          132      148      8568  83  Linux
 +
 +
:- Create a new 3rd partition by using the following options:
 +
:* n (add new partition)
 +
:* p (primary partition)
 +
:* 3 (parition number)
 +
:* <enter> (accept the default which should be around 149)
 +
:* +1000M (make it a 1GB partition)
 +
:- The sequence should look similar to the following.
 +
  Command (m for help): n
 +
  Command action
 +
    e  extended
 +
    p  primary partition (1-4)
 +
  p
 +
  Partition number (1-4): 3
 +
  First cylinder (149-15538, default 149):
 +
  Using default value 149
 +
  Last cylinder or +size or +sizeM or +sizeK (149-15538, default 15538): +1000M
 +
 +
:- Create a new 4th partition by using the following options:
 +
:* n (add new partition)
 +
:* p (primary partition)
 +
:* 4 (parition number)
 +
:* <enter> (accept the default which should be around 2181)
 +
:* <enter> (make it use the remain available space)
 +
 +
:- The sequence should look similar to the following.
 +
  Command (m for help): n
 +
  Command action
 +
    e  extended
 +
    p  primary partition (1-4)
 +
  p
 +
  Partition number (1-4): 4
 +
  First cylinder (2181-15538, default 2181):
 +
  Using default value 2181
 +
  Last cylinder or +size or +sizeM or +sizeK (2181-15538, default 15538):
 +
  Using default value 15538
 +
 +
:- Confirm the partitions and sizes by using the 'p' command.
 +
  Command (m for help): p
 +
  Disk /dev/hda: 16 heads, 63 sectors, 15538 cylinders
 +
  Units = cylinders of 1008 * 512 bytes
 +
    Device Boot    Start      End    Blocks  Id  System
 +
  /dev/hda1  *        1      131    65992+  83  Linux
 +
  /dev/hda2          132      148      8568  83  Linux
 +
  /dev/hda3          149      2180  1024128  83  Linux
 +
  /dev/hda4          2181    15538  6732432  83  Linux
 +
 +
:- Write the changes to disk by using the 'w' command.
 +
  Command (m for help): w
 +
  The partition table has been altered!
 +
  Calling ioctl() to re-read partition table.
 +
  WARNING: If you have created or modified any DOS 6.x
 +
  partitions, please see the fdisk manual page for additional
 +
  information.
 +
  Syncing disks.
 +
 +
:- Reboot the router after completing the partition changes.
 +
 +
:- Run the addon_hd configuration script (addon_hd configure).
 +
  # addon_hd configure
 +
  Creating a default add-on hard drive configuration...
 +
  Checking for a hard drive or flash drive...
 +
    Probing hdb... not found.
 +
    Probing hdc... not found.
 +
    Probing hdd... not found.
 +
  Using the 3rd and 4th partitions on the primary flash drive.
 +
 +
:- Format the partitions by using addon_hd format script (addon_hd format).
 +
  # addon_hd format
 +
  WARNING: All data and programs on the add-on drive will be lost!
 +
  Are you sure you want to format the add-on drive (y/N)? y
 +
    Formatting program partition... done.
 +
    Formatting data partition... done.
 +
  Starting the add-on hard drive service...
 +
    Mounting add-on program partition read-only...  done.
 +
    Mounting add-on data partition read-write...  done.
 +
  done.
 +
 +
:- Enable the addon_hd (Enable addon_hd) so that it starts at boot.
 +
  # Enable addon_hd
 +
  addon_hd enabled on boot.
 +
 +
:- Start the addon_hd feature (Start addon_hd) to make it available for use (most likely it is already started from the previous command).
 +
  # Start addon_hd
 +
  Add-on hard drive service is already started.
 +
 +
:- Perform a "df -h" to confirm the addon_hd feature is working as evidenced by a 1GB /dev/hda3 parition mounted on /opt and another larger /dev/hda4 partion (size depends on the size of the flash) mounted on /data.
 +
  # df -h
 +
  Filesystem                Size      Used Available Use% Mounted on
 +
  rootfs                  63.3M    47.6M    12.7M  79% /
 +
  /dev/root.old            63.3M    47.6M    12.7M  79% /
 +
  /dev/hda3              984.4M    16.0M    918.3M  2% /opt
 +
  /dev/hda4                6.3G    32.1M      6.0G  1% /data

Latest revision as of 17:58, 23 September 2011

Enter the following commands from the command prompt (Main menu option 3 Advanced -> option 1 Bash shell)
  • addon_hd configure
  • addon_hd partition
  • addon_hd format
  • Enable addon_hd
  • Start addon_hd

The addon_hd service creates 2 partitions. A read-only partition for program installation is mounted by default on /opt. A read-write partition for data storage is mounted on /data.

The addon_hd service can be configured to run on the built-in flash if it is 128 MB or larger. Otherwise an extra flash drive or hard drive is required.

Partitioning schemes

Device RO Partition RO Size RO Mount Point RW Partition RW Size RW Mount point
Built-in 128 MB Flash hda3 32 MB /opt hda4 Remainder of drive (24 MB for 128 MB flash) /data
Add-on Flash or Hard Drive Less than 8 GB hdc1 512 MB /opt hdc2 Remainder of drive /data
Add-on Flash or Hard Drive Greater than 8 GB hdc1 4 GB /opt hdc2 Remainder of drive /data

Primary Flash as Add-On HDD

Use the following procedure to use the add-on hard drive feature with available storage on the primary flash (intended for routers with a primary flash that is 4 GB or larger).
- Ensure a DNS server is configured and the router has access to the Internet.
- Drop to a bash shell command line (Main menu option 3 Advanced -> option 1 Bash shell).
- Update the router OS. 
 update 4.4.0
- Reboot the router after the OS update completes successfully.
- Drop to a bash shell command line (3. Advanced, 1. Bash shell).
- Run fdisk on the primary flash device (normally /dev/hda). 
 fdisk /dev/hda
- Document the existing partition scheme (option 'p' in fdisk) which will look similar to the output below. 
 Command (m for help): p
 Disk /dev/hda: 16 heads, 63 sectors, 15538 cylinders
 Units = cylinders of 1008 * 512 bytes
    Device Boot    Start       End    Blocks   Id  System
 /dev/hda1   *         1       131     65992+  83  Linux
 /dev/hda2           132       148      8568   83  Linux
 /dev/hda3           149       214     33264   83  Linux
 /dev/hda4           215     15538   7723296   83  Linux
- Delete the hda3 and hda4 paritions. 
 Command (m for help): d
 Partition number (1-4): 3
 Command (m for help): d
 Partition number (1-4): 4
- Write the changes to disk by using the 'w' command. 
 Command (m for help): w
 The partition table has been altered!
 Calling ioctl() to re-read partition table.
 WARNING: If you have created or modified any DOS 6.x
 partitions, please see the fdisk manual page for additional
 information.
 Syncing disks.
- Run fdisk on the primary flash device (normally /dev/hda) again. 
 fdisk /dev/hda
- Confirm the partition table only shows hda1 and hda2 by using the 'p' command. 
 Command (m for help): p
 Disk /dev/hda: 16 heads, 63 sectors, 15538 cylinders
 Units = cylinders of 1008 * 512 bytes
    Device Boot    Start       End    Blocks   Id  System
 /dev/hda1   *         1       131     65992+  83  Linux
 /dev/hda2           132       148      8568   83  Linux
- Create a new 3rd partition by using the following options:
  • n (add new partition)
  • p (primary partition)
  • 3 (parition number)
  • <enter> (accept the default which should be around 149)
  • +1000M (make it a 1GB partition)
- The sequence should look similar to the following. 
 Command (m for help): n
 Command action
    e   extended
    p   primary partition (1-4)
 p
 Partition number (1-4): 3
 First cylinder (149-15538, default 149):
 Using default value 149
 Last cylinder or +size or +sizeM or +sizeK (149-15538, default 15538): +1000M
- Create a new 4th partition by using the following options:
  • n (add new partition)
  • p (primary partition)
  • 4 (parition number)
  • <enter> (accept the default which should be around 2181)
  • <enter> (make it use the remain available space)
- The sequence should look similar to the following. 
 Command (m for help): n
 Command action
    e   extended
    p   primary partition (1-4)
 p
 Partition number (1-4): 4
 First cylinder (2181-15538, default 2181):
 Using default value 2181
 Last cylinder or +size or +sizeM or +sizeK (2181-15538, default 15538):
 Using default value 15538
- Confirm the partitions and sizes by using the 'p' command. 
 Command (m for help): p
 Disk /dev/hda: 16 heads, 63 sectors, 15538 cylinders
 Units = cylinders of 1008 * 512 bytes
    Device Boot    Start       End    Blocks   Id  System
 /dev/hda1   *         1       131     65992+  83  Linux
 /dev/hda2           132       148      8568   83  Linux
 /dev/hda3           149      2180   1024128   83  Linux
 /dev/hda4          2181     15538   6732432   83  Linux
- Write the changes to disk by using the 'w' command. 
 Command (m for help): w
 The partition table has been altered!
 Calling ioctl() to re-read partition table.
 WARNING: If you have created or modified any DOS 6.x
 partitions, please see the fdisk manual page for additional
 information.
 Syncing disks.
- Reboot the router after completing the partition changes.
- Run the addon_hd configuration script (addon_hd configure). 
 # addon_hd configure
 Creating a default add-on hard drive configuration...
 Checking for a hard drive or flash drive...
   Probing hdb... not found.
   Probing hdc... not found.
   Probing hdd... not found.
 Using the 3rd and 4th partitions on the primary flash drive.
- Format the partitions by using addon_hd format script (addon_hd format). 
 # addon_hd format
 WARNING: All data and programs on the add-on drive will be lost!
 Are you sure you want to format the add-on drive (y/N)? y
   Formatting program partition... done.
   Formatting data partition... done.
 Starting the add-on hard drive service...
   Mounting add-on program partition read-only...  done.
   Mounting add-on data partition read-write...  done.
 done.
- Enable the addon_hd (Enable addon_hd) so that it starts at boot. 
 # Enable addon_hd
 addon_hd enabled on boot.
- Start the addon_hd feature (Start addon_hd) to make it available for use (most likely it is already started from the previous command). 
 # Start addon_hd
 Add-on hard drive service is already started.
- Perform a "df -h" to confirm the addon_hd feature is working as evidenced by a 1GB /dev/hda3 parition mounted on /opt and another larger /dev/hda4 partion (size depends on the size of the flash) mounted on /data. 
 # df -h
 Filesystem                Size      Used Available Use% Mounted on
 rootfs                   63.3M     47.6M     12.7M  79% /
 /dev/root.old            63.3M     47.6M     12.7M  79% /
 /dev/hda3               984.4M     16.0M    918.3M   2% /opt
 /dev/hda4                 6.3G     32.1M      6.0G   1% /data
Retrieved from "http://wiki.imagestream.com/wiki/Add-On_Packages/Setup"
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