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Protecting Your 
Digital Assets

CRU

®

 User Manual

RAX

®

 3QR

Features

•  Disk setup is near-instantaneous and is capable of JBOD, RAID 0 and 1 disk modes.

•  TrayFree Models (RAX210-3QR) allow for easy insertion and removal of hard drives. 

Models  with  removable  carriers  (RAX211-3QR)  enclose  and  protect  hard  drives 
when removed from the RAX unit.

•  eSATA, FireWire 800, USB 2.0, and USB 3.0 connections are provided for wide variety 

of connectivity.

•  Specially  designed  drive  and  carrier  interfaces  are  built  to  withstand  tens  of 

thousands of insertions.

•  Rugged all-metal construction for superior durability.

A9-210-0012 Revision 1.0

RAX Branding

2c85m76y
PMS 711C

68c70m

PMS 2726

Summary of Contents for RAX210-3QR

Page 1: ...ble carriers RAX211 3QR enclose and protect hard drives when removed from the RAX unit eSATA FireWire 800 USB 2 0 and USB 3 0 connections are provided for wide variety of connectivity Specially designed drive and carrier interfaces are built to withstand tens of thousands of insertions Rugged all metal construction for superior durability A9 210 0012 Revision 1 0 RAX Branding 2c85m76y PMS 711C 68c...

Page 2: ...t all power switches have been turned off and all power cords have been disconnected to prevent personal injury and damage to the hardware To avoid overheating the unit should be operated in a well ventilated area Remove the drives before transporting the unit to prevent damage to the drive interfaces Table of Contents 1 Pre Installation Steps 2 1 1 Box Contents 2 1 2 Identifying Parts of your RAX...

Page 3: ...is created with its own inde pendent volume There is no data protection 1 No data protection 0 Also known as striping Data dis tributed across all drives in the ar ray There is no data protection 2 No data protection 1 Also known as mirroring All data replicated on two separate disks Due to the 100 duplication only half the total disk capacity is avail able for data storage 2 1 drive 3 Installatio...

Page 4: ...t a RAID Set Press the Enter button to silence the alarm d Press the Enter button a second time and the LCD screen will ask Make New RAID Press Enter to confirm e The LCD will display Select RAID Type Press Up or Down to cycle through to your desired RAID type and press Enter f The screen will display Will Erase all Data OK the key 90 degrees clockwise to power on each hard drive NOTE When any har...

Page 5: ...guration will be selected and the RAX 3QR unit will reboot The RAID is now created 6 2 Changing the RAID Type a Disconnect the RAX 3QR unit from the computer b Press the Up button to cycle the LCD menu to the Change RAID Mode screen and press the Enter button c The LCD will display Select RAID Type Press Up or Down to cycle through the available options to your desired RAID type and press Enter d ...

Page 6: ...n Windows will indicate when it is safe to disconnect the RAX 3QR unit Disconnecting the RAX 3QR unit without first ejecting it can result in data loss Unmounting an eSATA Volume If you purchased an eSATA host card that supports hot swapping follow the instructions for unmounting a USB or FireWire volume above Many eSATA hosts do not support this feature However freeware utilities are Carbon Copy ...

Page 7: ...buzzer will sound when the RAID has failed or is invalid The RAID LED will glow red if this occurs regardless of whether the buzzer is enabled or not Temperature Sliders When your RAX 3QR unit reaches a certain temperature buzzers will sound if they are enabled see the Buzzers subsection above and the fan will kick on You may want to change these default temperatures according to your environment ...

Page 8: ...puter let me eject or unmount my drive A There may be a software application running in the background with an active link to the drive Sometimes you may see a message such as The disk is in use and could not be ejected Try quitting applications and try again 9 RAID Is Not A Backup Because your RAX 3QR unit features redundant RAID modes which protect against a hard drive mechanical failure it is a...

Page 9: ...ent command is CTRL SHIFT ESC Drives connected to the computer via eSATA cannot be ejected in Windows the way FireWire drives can However freeware utilities are available on the Internet that provide a similar function 11 1 Contacting Technical Support Still need help Please contact our Technical Support team through cru inc com support Call us toll free at 800 260 9800 or directly at 360 816 1800...

Page 10: ... make any modification extension or addition to this warranty In no event will CRU or its suppliers be liable for any costs of procurement of substitute products or services lost profits loss of information or data computer malfunction or any other special indirect consequential or incidental damages arising in any way out of the sale of use of or inability to use any CRU product or service even i...

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