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How do I replace a defective hard drive in my Iomega® NAS unit?
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This article explains what to do in the event of a hard drive failure. The steps for replacing a defective hard drive in an Iomega® NAS unit are based on the model series of your Iomega NAS and whether it is the non-OS drive or an OS drive.

Important: Read these important guidelines before replacing defective hard drives in the NAS unit.

    ALWAYS:

    • Verify the failed hard drive number

      Before removing a hard drive, verify the location of the failed drive by checking email notifications, administration UI alerts/logs and the status LEDs on the front of your Iomega NAS. If an additional functioning drive (other than the failed drive) is removed, data loss will result!

    NEVER:

    • Remove more than one hard drive at a time

      In RAID 1 and RAID 5 data protection modes, your Iomega NAS device can continue operating after a single drive failure. Do NOT remove any other drives while there is a failed drive in the system or while the replacement drive is being restored.

    • Insert a spare hot-swappable hard drive until the Iomega NAS operating system shows the missing drive

      When a hard drive is removed, the system may take a few minutes to recognize the removal. Do NOT insert a replacement drive until the Iomega NAS has recognized the drive removal. The Iomega NAS will notify you of a hard drive removal through a notification email, a flashing LED sequence on the front of the NAS or the graphical user interface (GUI).

    • Interrupt the system rebuild process

      After inserting the replacement drive, you MUST allow the RAID volume to restore. An active restoration is indicated by either a flashing power/status LED in conjunction with continuous hard drive activity, or by continuous independent hard drive activity. During this process, do NOT remove any of the hard drives or power down the Iomega NAS device. This process may take many hours depending on the capacity of the RAID volume and amount of data that is being restored.

How to replace a defective hard drive on the Iomega NAS A300u unit

    It is not possible for you to replace a defective hard drive on the Iomega NAS A300u unit without voiding the warranty. The entire unit will need to be replaced. Please contact Iomega NAS Technical Support at 1-866-799-5979 for assistance.

How to replace a defective non-OS hard drive on the Iomega NAS P4XXu or P4XXm units

  1. Remove the hard drive from the Iomega NAS unit and wait approximately 2 minutes for the NAS unit to detect that the hard drive has been removed.

    Caution: Do not remove more than one hard drive from the Iomega NAS unit at the same time or data loss could result.

  2. Insert the replacement hard drive into the drive bay and wait approximately 2 minutes for the unit to recognize that the hard drive has been inserted.

Replacing a defective OS hard drive on the Iomega NAS P4XXu or P4XXm units

    Your Iomega NAS device has an Operating System (OS) that resides on the first drive. In addition, a mirrored copy of the OS has also been created on the second drive. Your Iomega NAS has been configured (RAID 5) so that you can lose any single drive, including an OS drive, and the system will remain operational.

    If drive 0 (the drive that boots the system) fails on an Iomega NAS P4XX unit, use the following steps to replace the drive.

    1. Obtain a replacement operating system hard drive from Technical Support by calling 1-866-799-5979.

      Important: It is very important that the system is NOT shutdown and that no other drives are removed until this restoration is complete. Failure to follow these steps could result in system failure and loss of data!

    2. Remove the defective hard drive from the Iomega NAS unit and wait approximately 2 minutes for the NAS unit to detect that the hard drive has been removed.

    3. Insert the replacement OS hard drive and wait for the system to restore the OS as well as any RAID volumes that were configured on the original drive.



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