Episode 21 - Segment 3 Get Connected host AJ Vickery shows you the HP MV2020 Media Vault, a 500 GB Hard Drive that gives you the extra space you need to stor. Episode 21 - Segment 3 Get Connected host AJ Vickery shows you the HP MV2020 Media Vault, a 500 GB Hard Drive that gives you the extra space you need to stor.

Overview

The HP Media Vault allows you to store all of your important documents, pictures, music, and video files in one location – on the media vault! After you install the media vault on your network, the PCs on your network are able to access the media vault’s folders and files. You can also share a USB printer with the other computers on. Tips for better search results. Ensure correct spelling and spacing - Examples: 'paper jam' Use product model name: - Examples: laserjet pro p1102, DeskJet 2130 For HP products a product number. Examples: LG534UA For Samsung Print products, enter the M/C.

In a nutshell, the installation of Debian on your HP mv2120 and mv5020works like this: you use the recovery mode of the mv2120 to load the Debianinstaller image via the network. Debian installer will start and allow youto login via SSH to perform the installation. Debian will be installed todisk and the mv2120 will directly boot Debian from disk.

If you follow this procedure, Debian will be installed to your SATA diskand the HP firmware on disk will be replaced with Debian. Debian does notinstall a web interface to configure your machine, although it's possibleto install such software. If this is not what you want, please don'tproceed with the installation.

Requirements and Preparation

In order to install Debian on a HP mv2120, you need the following:

• A HP mv2120 or compatible device (e.g. HP 5020, mv5140 or mv5150).
• An internal SATA disk in the HP mv2120.
• A network connection.
• Another machine on which you have an SSH client. SSH is included inevery Linux distribution as OpenSSH and there is PuTTYfor Windows.
• Another machine with either the HP mv2120 recovery tool (Windows) oruphpmvault (Linux and other systems).

Making a Backup

You have to make a backup of all the data stored on your HP mv2120 beforestarting with the installation of Debian since Debian will format the wholedisk during the installation.

Starting the Installer

The HP mv2120 has a recovery mode through which it can request a boot imagevia the local network. This recovery mode will be used to load the Debianinstaller. HP ships a tool for Windows to serve recovery images to yourmv2120 and there is a tool called uphpmvault written by Marc Singer thatdoes the same on Linux and other systems. You can obtain the Windows toolby going to HP's web site. First, search for mv2120, then chooseSoftware & driver downloads and then download the HP Media VaultFirmware Recovery Utility. uphpmvault is in Debian so you can simplyinstall it with apt.

Once you have installed uphpmvault or the Windows tool, you have to tellthe tool to serve the recovery image. Download the Debianinstaller image and start the tool. If you want to use the Windowstool, please follow theseinstructions. To use uphpmvault, issue the following command:

Now you have to put your mv2120 into recovery mode:

• First of all, turn off your mv2120.
• Press the reset button and keep it pressed.
• Press the power button and keep it pressed.
• After a few seconds, your HP mv2120 should go into recovery mode. Yourrecovery tool will say that it's recovering the device. At this point, youcan release the reset and power buttons. If the recovery mode doesn'tstart within 5 seconds, please turn your device off and try again.

uphpmvault will show the MAC address of the mv2120 and will give a statuswhen it's recovering the device:

Once the recovery has completed, your HP mv2120 will automatically rebootand the Debian installer will start.

The Installation

Since the HP mv2120 does not have any IO device, SSH will be used for theinstallation. The installer will bring up the network, start the OpenSSHserver and you can then connect to the device using SSH. You have to waitapproximately two minutes after starting the system before you can connect.When the installer is ready, it will change the health LED to indicatethat you can now login via SSH.

Here is a list of stages and the corresponding signals the boot process ofDebian installer will go through:

• Quickly blinking purple: The mv2120 is loading the Debian installerimage.
• The SATA light goes on, the health light continues to blink quickly:the Linux kernel has been loaded.
• Health light goes blank: the Debian installer ramdisk has beenloaded.
• Slowly blinking blue: Debian installer has finished some critical stepsof its startup process.
• Solid blue: Debian installer is ready and you can login via SSH.

Since the HP mv2120 does not have an LCD, the installer cannot tell youwhich IP address to connect to or which password to use. With regards tothe IP address, the following strategy is used:

• If your HP firmware is configured to use DHCP (the defaultconfiguration from HP), Debian installer will try to acquire an IP addresswith DHCP. You can use the MAC address of your mv2120 to tell your DHCPserver to give out a specific IP address to your machine.
• If you configured a static address in your HP firmware, thisconfiguration will be used. However, if your network configuration wasincomplete (e.g. IP address or DNS were missing), the installer will useDHCP instead.
• If you're using a blank disk (or any disk without the HP firmware), theinstaller will use DHCP.
• If DHCP is used but your DHCP server does not respond, the HP mv2120will use the fallback address `192.168.1.100`. If you are unsure what theaddress of your HP mv2120 is, unplug the Ethernet cable, start the machineagain, wait until Debian installer is ready for SSH and then plug the cableback in and connect to this fallback address.

Please make sure that the HP mv2120 is on a local network to which only youhave access since the installer uses a very generic password, namelyinstall. The user is installer. Connect to the installer (again,replace the address in the example with the actual IP address of yourmv2120):

The installation itself should be pretty standard and you can follow the installationguide. The installer knows about the HP mv2120 and will by defaultchoose an appropriate partition layout. If you partition the diskmanually, you have to make sure that sda1 is a /boot partition withtype ext2 or ext3 (ext2 is recommended for the boot partition). You alsohave to set the bootable flag for this /boot partition, otherwise yourmv2120 will fail to boot.

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During disk partitioning, Debian installer will find an existing LVMlogical volume on the disk and ask you whether it's okay to remove it.This is the existing logical volume from the HP installation but it cannotbe used for your new Debian installation because the disk layout used bythe HP firmware will not work for Debian. Please answer the questionwhether the logical volume data should be removed with yes (or cancel theinstallation and make a backup of your disk if you have not done so yet).

At the end of the installation, the installer will create a boot image ondisk. Afterwards you will get a confirmation that the installation iscomplete. Confirm, wait for the installer to finish and once your SSHsession terminates, wait a few minutes before you can connect to your newlyinstalled system via SSH. The LEDs of your HP mv2120 will be used toindicate when you can connect via SSH. You will be able to log in asyour newly created user.

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The health LED is used to signal the status of the boot process. Hereis a list of stages and the corresponding signals the boot process willgo through:

• Quickly blinking blue: the mv2120 is starting up and is loading theboot image from disk. This stage takes about 2 minutes.
• The SATA light goes on, the health light continues to blink quickly:the Linux kernel has been loaded.
• Slowly blinking blue: the ramdisk has been loaded and is now tryingto mount your disk.
• Solid purple: your root partition has been mounted and the boot processwill continue from disk. If this stage takes a long time, the system mightbe checking your disks.
• Solid blue: the boot process has been completed and you can log in viaSSH.

Success

You should now have a complete Debian system running on your HP mv2120.You can use apt and other tools to install additional software. Themv2120 is an ARM based device and the armel architecture is fullysupported by Debian.

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In case you run into any bugs or problems, you may want to check the listof known issues and bugs with Debian on theHP mv2120.