How to expand the storage of QNAP Linux-embedded products by QBack-35S

QNAP QBack-35S Automatic File Backup Station is a single SATA drive external enclosure with the powerful QBack software for encrypted Windows data backup. It can also be configured as an external storage of QNAP Linux-embedded products for drive capacity expansion. Simply connect the QBack-35S to a QNAP storage product via the eSATA or USB connection; you can extend the storage capacity of your NAS!

A. Expand storage by QBack-35S via eSATA connection:

TS-109 is used in the following demonstration. You can use QBack-35S in a similar way with TS-109 Pro, TS-101, and TS-100 which provide an eSATA connection interface. In this application, please do not use the QBack software to set up and format the hard drive on the QBack-35S.

  1. Install a hard drive on QBack-35S.
  2. Connect the eSATA cable between QBask-35S and TS-109.
  3. Open your web browser (Internet Explorer or Mozilla Firefox) and enter the IP address of TS-109, i.e. http://NAS IP:8080, to enter the login page of TS-109. 8080 is the default administration port of TS-109 and TS-209 series; 6000 is the default administration port of TS-101, TS-201, and TS-100.
  4. Go to Device Configuration/ eSATA Disk page.
  5. You should see your hard drive information on the page including manufacturer, model, total/free space, etc. To use QBack-35S as a storage expansion of NAS, select Data Sharing under Disk Usage Setting. Or you can select Q-RAID 1* to configure the QBack-35S as a Q-RAID 1 disk.

    *Q-RAID 1 is the exclusive technology supported by QNAP's 1-bay NAS products. It provides the ultra-high-level redundancy, which helps keep a real-time synchronized mirror in your external USB or eSATA hard drive box. In case the main storage is damaged, the backup disk can be installed to TS-109 to resume normal operation.
    Q-RAID 1 is implemented based on rsync. Checksums are generated for each block of data to compare the differences between the files on your NAS and the QBack-35S before configuring Q-RAID 1. The process of computing, comparing, and synchronizing the checksums consumes more time than pure data transfer.

    You may refer to the performance of Q-RAID 1 configuration below:
    (The HDD on TS-109 and QBack-35S are of the same size in the tests)
    Using 250GB HDD with 20GB data on TS-109, it took about 121 min to complete Q-RAID 1 configuration via the eSATA interface.
    Using 250GB HDD with 20GB data on TS-109, it took about 127 min to complete Q-RAID 1 configuration via the USB 2.0 interface.
    Using 500 HDD with 20GB data on TS-109, it took about 125 min to complete Q-RAID 1 configuration via the eSATA interface.
    Using 500 HDD with 20GB data on TS-109, it took about 141 min to complete Q-RAID 1 configuration via the USB 2.0 interface.
  6. Click Format Now to format the drive on QBack-35S as EXT3 file system. Note that all the drive data will be removed. Please make sure you have backed up all the data on the drive before formatting. Click Yes to continue.
  7. An additional network folder named "eSATA" appears as an additional network share of TS-109. You can gain more storage capacity on the network by QBack-35S.

B. Expand storage by QBack-35S via USB 2.0 connection:

TS-209 is used in the following demonstration. QBack-35S also works with other QNAP Linux-embedded products.

  1. Install a hard drive on QBack-35S.
  2. Connect QBack-35S to TS-209 via the USB cable.
  3. Open your web browser (Internet Explorer or Mozilla Firefox) and enter the IP address of TS-209, i.e. http://NAS IP:8080, to enter the login page of TS-209. 8080 is the default administration port of TS-109 and TS-209 series; 6000 is the default administration port of TS-101, 201, and 100.
  4. Go to Device Configuration/ USB Disk page.
  5. You should see your hard drive information on the page including manufacturer, model, total/free space, etc. Select to format the drive as EXT3 file system*, and click Format Now. Note that all the drive data will be removed. Please make sure you have backed up all the data on the drive before formatting. Click Yes to continue.
    * You can select to format the drive on QBack-35S as FAT file system. FAT file system is readable and writable in Windows operation systems. However, there is a file size limitation that the maximum file size in FAT format is 2GB only.
  6. An additional network folder named “USB Disk1” appears as an additional network share of TS-209. You can gain more storage capacity on the network by QBack-35S.

    Note: When QBack-35S is configured as an external storage of QNAP Linux-embedded product, the hard drive must be configured as EXT3 file system. The data in EXT3 format cannot be read in general Windows operating systems. In this case, the QBack-35S cannot be configured by the QBack backup software for Windows data backup. However, you can access, read, or write the data on the disk via the network file sharing function of QNAP Linux-embedded products.
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