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Addonics Technologies 25 HDDSSD drive enclosure AERD25SN35 web User Manual

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    							Technical Support
    If you need any assistance to get your unit functioning properly, please have your 
    product information ready and contact Addonics Technical Support at:
    Hours: 8:30 am - 6:00 pm PST
    Phone: 408-453-6212
    Email: http://www.addonics.com/support/query/
    T E C H N O L O G I E S
    www.addonics.com
    User Guide
    Snap-In 25 RAID(AERD25SN35)         
    						
    							www.addonics.comTechnical Support (M-F 8:30am - 6:00pm PST)    Phone: 408-453-6212  Email: www.addonics.com/support/query/
    Overview
    Drive Installation
    Open the front panel by pressing the 
    front panel button on the left side 
    toward the right. Swing the door open 
    all the way, then insert drives SATA 
    connector first, label side up as 
    shown, until they stop. Drives should 
    slide into the enclosure easily, do not 
    force them. Snap the cover closed 
    over the drives. 
    Hot Swapping
    The cabinet itself may be disconnected from its SATA host, or both drives 
    may be ejected from the unit without shutting down the operating system.\
     
    However, the SATA controller connected to the unit must support the Hot 
    Swapping feature to avoid malfunction of the controller or operating sys\
    tem, 
    and any safe removal steps needed must be taken to avoid loss of data.
    Port Multiplier Compatibility
    When configured as a set of individual drives, the Snap-In 25 RAID will \
    only 
    work with a Port Multiplier aware host. Identify your host controller an\
    d check 
    with its hardware manufacturer if you are unsure. Addonics offers several Port 
    Multiplier aware host adapters. If the SATA host adapter is not port multiplier 
    aware, only the top drive may appear, or none at all.
    Using identical drives for RAID 0 or RAID 1 is strongly recommended. Cre\
    at -
    ing a RAID 0 or 1 using drives that are not all the same size will resul\
    t in all 
    members using only as much space as the smallest member. Creating a 
    RAID using drives that have different performance will degrade the overall 
    performance of the array. 
    						
    							www.addonics.comTechnical Support (M-F 8:30am - 6:00pm PST)    Phone: 408-453-6212  Email: www.addonics.com/support/query/
    Activity LED
    The Activity LED glows to indicate the unit has power and blinks to indicate\
     
    activity. It does not show RAID status.
    Mode Switch
    The Mode switch has four settings, described in detail below:
    Jbod
    This setting creates a non-RAID array called LARGE.
    Number of drives: 2
    Unit capacity: 100% of all drives together regardless of differences in size
    Fault tolerance: cannot withstand the loss of any drives without losing \
    data. 
    However, some data may be recovered as long as the top drive carrying the 
    file system data (boot record, directory, etc.) remain online. LARGE mode is 
    neither a RAID nor is it a JBOD. It works by declaring the sum of all av\
    ailable 
    space of the member drives as a single unit, without striping the data. \
    After 
    the first member is filled, new data is stored on the second.
    RAID 1
    This setting creates a Mirror Set.
    Number of drives: 2
    Unit capacity: size of the smallest member.
    Fault tolerance: RAID 1 can withstand the loss of one drive without losi\
    ng 
    data.
    RAID 1 works by duplicating the exact same data on both drives.
    RAID 0
    This setting creates a Stripe Set.
    Number of drives: 2
    Unit capacity: size of the smallest member times two.
    Fault tolerance: none - if either member is lost all data is lost.
    RAID 0 “stripes” the file system across the array by placing “c\
    hunks” of data 
    sequentially between drives in a specific order.
    Nor
    This setting allows the drives to act independently of each other (“\
    JBOD 
    mode”).
    Number of drives: 1 or 2.
    Unit capacity: N/A (100% of each individual drive)
    Fault tolerance: none
    JBOD mode offers both connected units to the host adapter, no RAID is 
    defined at all.
    NOTE: JBOD mode with two drives requires a SATA controller featuring Port 
    Multiplier support. 
    						
    							Using the Mode Switch
     
    The unit will only set up a RAID or LARGE array if it is currently set f\
    or 
    independent drives (Mode Switch set to “Nor”). If an array is de\
    fined and a 
    different array setting is desired, the unit must be powered up one time wi\
    th 
    the Mode Switch set to “Nor” before a new array will be created. O\
    therwise, 
    simply set the switch to the desired setting and power up the unit. Leav\
    e the 
    Mode Switch set to the desired array type.
    NOTE: Setting or modifying the mode destroys all data.
    Using the JMicron RAID Manager
    Windows users may install the JMicron HW RAID Manager application  
    located on the SATA Controller CD, or download it from 
    http://addonics.com/drivers/driver_list.php. In the CD, browse to Config\
    ura-
    tion Utilities → JMB393.
    Mac and Linux users may download those versions of the same utility from\
     
    http://addonics.com/drivers/driver_list.php under “Port Multiplier & \
    Hub.”
    The JMicron RAID Manager can be used to monitor the health status of the\
     
    RAID drives, and provide status alerts with dialog boxes and even email.\
    Using the JMicron RAID Manager to create or modify an array is NOT 
    recommended. The Mode Switch should be set to the desired type of array at 
    all times to prevent data loss.
    www.addonics.com
    Phone:   408-573-8580
    Fax:     408-573-8588
    Email:   http://www.addonics.com/sales/query/
    CONTACT US 
    						
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