Pre-3.0 Upgrade Instructions

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Pre-3.0 Upgrade Instructions

If you are currently running an unRAID Server release prior to 3.0, we recommend that you do not reformat your existing Flash; instead, please follow these steps to migrate to a new Flash:

Step 1 - Request a registration key from Lime Technology

Obtain a new Flash and plug it into your running unRAID server; then use Telnet to open a command window and type the following command:

cat /proc/scsi/usb-storage-1/1

The output of the command should look something like this:

   Host scsi1: usb-storage
       Vendor: SanDisk Corporation
      Product: Cruzer Micro
Serial Number: 20051739920A3B20EB5A
     Protocol: Transparent SCSI
    Transport: Bulk
         GUID: 078151511739920a3b20eb5a
     Attached: Yes

Copy this text into an email and send it to Lime Technology support (at and we will send you a registration key for your new Flash.

Step 2 - Set up your new Flash

After receiving your registration key, follow the instructions for unRAID Server Basic to make your new Flash bootable with the unRAID Server software installed. Copy the registration key file to the config directory of the Flash.

Step 3 - Capture your current configuration

Use Telnet to open a command window on your currently running unRAID server and type the following command:

dd if=/dev/sda2 of=/boot/super.dat bs=4096 count=1

This will create a file named super.dat that contains your current array configuration. Next, close the Telnet window and navigate to the Flash share and copy the following three files to the config directory of your new Flash:

   * super.dat
   * ident.cfg
   * network.cfg

Note: the model.cfg file is no longer used, and you should use the disk.cfg file that comes with the new release. Also, the default disk.cfg file included with the unRAID Server download is fine for all IDE-based servers. If you are currently running a SATA or mixed SATA/IDE system, please contact Lime Technology support (at for instructions.

Step 4 - Boot the new Flash

Eject the Flash from your PC, power down your server, and then boot back up using the new Flash.

Note: this is a copy of the old Lime Technology page 15,
It may disappear at any time.