ADTX ArrayMasStor K Series Leitfaden
Ó2001 Advanced Technology and Systems Co., Ltd.
13715 Alton Parkway
Irvine, CA 92618
Tel (949) 583-2993
ArrayMasStor ÒKÓ Series
Installation Manual and Users Guide
ArrayMasStor K Series
ÒInstallation Instructions and Procedures.Ó
Copyright ÓAdvanced Technology and Systems Co., Ltd., 11/2001 Rev. A
Trademarks and Trade name that may appear within this document are the property of their respective owners.
Introduction ..............................................................................................................................2
K-SERIES PRODUCT FEATURES..................................................................................................2
Unpacking the RAID system ....................................................................................................3
PACKING LIST ..........................................................................................................................3
Installing the RAID system....................................................................................................... 3
SCSI TERMINATION .................................................................................................................4
Installing the Front panel cover ............................................................................................... 5
HOST SCSI REQUIREMENTS......................................................................................................5
Operating the RAID system ..................................................................................................... 5
Front panel status indicators (LEDs).......................................................................................7
Front ÒFresh airÓ intakes .........................................................................................................8
Rack mounting the RAID unit .................................................................................................8
Identifying rear panel components .......................................................................................... 9
Product Components ..............................................................................................................10
RAID CONTROLLER ............................................................................................................... 10
IDE DRIVE BAYS AND DRIVE TRAY ASSEMBLIES .................................................................... 10
POWER SUPPLIES .................................................................................................................... 10
FANS...................................................................................................................................... 10
ENCLOSURE............................................................................................................................ 10
RAID Overview ...................................................................................................................... 11
Non-RAID Storage ............................................................................................................. 11
About RAID levels .................................................................................................................. 12
RAID 0.................................................................................................................................. 12
RAID 1.................................................................................................................................. 12
RAID 1 (0+1) ..................................................................................................................... 13
RAID 3.................................................................................................................................. 13
RAID 5.................................................................................................................................. 13
Spare drives in RAID configurations..................................................................................... 14
RAID Rebuilding .................................................................................................................... 14
Removing a Drive from the RAID system (with power off).................................................. 15
Removing a Power Supply from the RAID system (with power off) ....................................17
ArrayMasStor K Series
ÒInstallation Instructions and Procedures.Ó
Copyright ÓAdvanced Technology and Systems Co., Ltd., 11/2001 Rev. A
Trademarks and Trade name that may appear within this document are the property of their respective owners.
REDUNDANT POWER SUPPLIES ................................................................................................ 17
RAID controller functions...................................................................................................... 19
RAID CONTROLLER BUTTON FUNCTIONS................................................................................. 19
RAID CONTROLLER CONNECTORS.......................................................................................... 20
Using the RAID Controller Functions ................................................................................... 21
BASIC FEATURES .................................................................................................................... 21
Front Panel Ready Mode.................................................................................................... 21
Front Panel Configuration Options ....................................................................................... 22
Auto RAID Setup.................................................................................................................... 23
ADVANCED FUNCTIONS .......................................................................................................... 23
Selecting RAID Levels ............................................................................................................ 25
Adding Drives to the RAID system ........................................................................................25
Troubleshooting...................................................................................................................... 26
CONTROLLER ......................................................................................................................... 26
Problems at Startup............................................................................................................ 26
Other Problems ..................................................................................................................26
ENCLOSURE............................................................................................................................ 26
Power Supplies................................................................................................................... 26
Fans ................................................................................................................................... 27
Drive Trays ........................................................................................................................ 28
LEDs.................................................................................................................................. 28
Ports .................................................................................................................................. 28
Replacement Parts.............................................................................................................. 28
Drives ................................................................................................................................ 28
Spare Installed ................................................................................................................... 28
No Spare Installed..............................................................................................................29
NOTES AND WARNINGS........................................................................................................... 29
Remote Monitoring and Management ................................................................................... 31
RS-232C INTERFACE.............................................................................................................. 31
ADTX MasStor K-Series Specifications ................................................................................32
ArrayMasStor K Series
ÒInstallation Instructions and Procedures.Ó
Copyright ÓAdvanced Technology and Systems Co., Ltd., 11/2001 Rev. A 2
Trademarks and Trade names that may appear within this document are the property of their respective owners.
Introduction
Thank you for purchasing your new ArrayMasStor K-Series RAID system from ADTX¨. This
high quality data storage system offers very high performance with Òstate-of-the-artÓ reliability. It
has been rigorously tested to ensure trouble-free operation and long life.
The K-Series is a SCSI-to-IDE RAID system with drive bay space for six EIDE disk drives. The
system can be used with virtually all contemporary SCSI equipped host systems.
As a RAID data storage system, it provides both increased drive access speed and fault tolerance
(i.e., one drive in the system can fail without affecting its data integrity or operations). The system
provides additional fault tolerance with dual, redundant, hot-swappable fan/indicator modules and
power supplies. All of its RAID functions are performed by a PowerPCÒRISC CPU with high-
speed SDRAM and flash memory firmware.
Its built-in hardware RAID controller employs sophisticated drive failure management capabilities
that allow automatic reassignment of reserved blocks when a bad drive sector is encountered during
write operations. Hot swapping of the drives is supported through automatic disconnection of a
failed drive and the automatic detection of a spare ÒreservedÓ drive. If a drive fails, the system
supports the automatic rebuilding of data in the background, allowing host operations to continue.
Amazingly, failure recovery operations are completely transparent to the host system.
The K-Series system is so easy to use, that it can be installed, configured, and deployed by users
without intimate knowledge of RAID systems. ItÕs built-in automatic RAID setup feature can
perform all of the setup, ID assignment, and configuration tasks needed for regular operation.
K-Series Product Features
qCompact (2U) rack mount enclosure
qSelf-contained operation. No special host software needed
qUltra160 SCSI host interface with transfer rates up to 160Mbyte/sec.
qComprehensive RAID level support: 0, 1(0+1), 3, 5
qSupports up to 6 EIDE ATA-66/UDMA-66 (and ATA/UDMA-100) disk drives
qCompatibility with most contemporary 3.5" x 1" high EIDE disk drives
qEmploys hot-swappable drive tray assemblies
qIncorporates a Òbuilt-inÓ LCD control panel and status display
qProvides up to 64MB of cache memory
qEasily upgradable firmware (Flash ROM)
qAutomatic RAID Setup function for easy installation
qDual, redundant, hot-swappable power supplies
qDual, independent, front accessible, hot-swappable cooling fan/indicator modules
Note: The K-Series RAID system only supports IDE disk drives. It is not compatible with SCSI
disk drives.
ArrayMasStor K Series
ÒInstallation Instructions and Procedures.Ó
Copyright ÓAdvanced Technology and Systems Co., Ltd., 11/2001 Rev. A 3
Trademarks and Trade names that may appear within this document are the property of their respective owners.
The following sections have been provided to help you set up your new RAID system and have it
operating as quickly as possible. Please follow these instructions carefully. By doing so, you will
be able to benefit from the systemÕs many features and benefits in a minimum amount of time.
Unpacking the RAID system
Each K-Series RAID system is shipped with several components and accessories. Please check
the following packing list and verify that you received each of these items.
Packing List
The box that the K-Series RAID system came in should include the following:
qK-Series RAID Subsystem with up to six (6) Drives and Drive trays
qOne (1) removable front cover
qOne (1) Power Cord
qOne (1) SCSI Cable
qOne (1) SCSI Bus Terminator
qOne (1) pair of rack mount rails
qOne (1) installation guide
Installing the RAID system
After unpacking the RAID system, place it near the host computer Ð preferably in its final location.
(If you will be rack mounting the unit, install the supplied mounting rails into the rack cabinet and
slide the RAID system onto these supporting rails. Note that the mounting rails are of the ÒshelfÓ
type and do not screw to the sides of the RAID system. Finally, secure the RAID system to the rack
cabinet using the brackets on the front of the RAID system - see figure 2.)
1) Make sure that both the RAID system and the host computer are powered OFF.
2) Next, make sure that the RAID systemÕs power switch is in the OFF position (see figure 8).
Connect the RAID system to an appropriate power source using the supplied power cord.
3) If the RAID system will be the last (or only) external SCSI device on the SCSI bus, install the
supplied SCSI terminator onto one of its SCSI connectors (see figure 8).
4) Connect a qualified SCSI cable (supplied) to either of the SCSI connectors on the back of the
RAID systemÕs enclosure.
5) Connect the other end of the SCSI cable to an available SCSI connector on the host computer.
The SCSI port on the host computer is often provided by a host bus adapter (HBA) installed
inside the computer. These HBAs typically provide SCSI connectors for external devices.
6) When all connections are secure, turn the RAID system ON using its rear mounted power
switch (see figure 8). Wait for it to become ready (after about 1 minute, ÒReadyÓ will be
displayed on its LCD display - located on the rear of the unit).
7) Once the RAID system is ÒReadyÓ, power ON the host computer system.
8) Be sure to observe the environmental requirements for the RAID system (see the specifications
section at the end of this manual).
ArrayMasStor K Series
ÒInstallation Instructions and Procedures.Ó
Copyright ÓAdvanced Technology and Systems Co., Ltd., 11/2001 Rev. A 4
Trademarks and Trade names that may appear within this document are the property of their respective owners.
If you are not going to use the supplied SCSI cable, be certain to use a high quality SCSI cable that
is certified for use with Ultra160 SCSI systems.
WARNING: Failure to use a suitable SCSI interface cable can result in poor performance, data
errors, and even loss of data.
Note: Never Òhot plugÓ the SCSI connections. Both the host computer and the RAID system must
be powered OFF while connecting, or disconnecting, the SCSI cabling and terminators.
SCSI Termination
When using SCSI devices, it is always necessary to pay careful attention to SCSI termination. A
SCSI bus must be properly terminated at both ends. The K-Series RAID systems comes with an
external SCSI (LVD) terminator. If the RAID system is the last (or only) external SCSI device on
the bus, it must have this terminator attached to one of the SCSI connectors on the back of the
RAID system. In other words, one of the two (2) SCSI connectors on the back of the RAID system
will have the terminator attached and the other connector will have a SCSI cable attached to it
(connecting to the host). Since the SCSI connectors are wired in parallel inside the RAID system,
either connector can be used for connecting the terminator.
Note: If you will not be using the SCSI terminator supplied with the K-Series RAID system, make
certain to use a high quality LVD terminator that is certified for use with Ultra160 SCSI
systems.
WARNING: Failure to use a suitable SCSI terminator can result in poor performance, data errors,
and even loss of data.
If you want, or need, to daisy chain additional RAID systems or other SCSI devices to your K-
Series system, the terminator will not be connected to the K-Series unit. Instead, the terminator
must be installed onto the last SCSI device in the chain.
ArrayMasStor K Series
ÒInstallation Instructions and Procedures.Ó
Copyright ÓAdvanced Technology and Systems Co., Ltd., 11/2001 Rev. A 5
Trademarks and Trade names that may appear within this document are the property of their respective owners.
Installing the Front panel cover
The RAID system comes with a front cover that can be optionally attached to the front of the
system. To attach the cover, align the two (2) mounting screws with the corresponding threaded
holes in the front of the system. Once aligned, insert and tighten the screw fasteners on the cover.
See figure 1.
Host SCSI Requirements
In order to use the RAID system with a host computer, the host must be equipped with an Ultra160
SCSI connection (bus). Typically, a host bus adapter (HBA) is installed inside of the host as an
add-on card that provides SCSI port(s) for connecting to external SCSI device(s).
Operating the RAID system
Once the RAID system is installed properly, and connected to a host computer, it generally
appears and functions as a large single disk drive - from a hostÕs point of view. After successful
installation, there are primarily two operating conditions to consider: drive failures and powering
OFF the RAID system.
If a drive fails, it should be replaced as soon as possible - even if you have assigned a spare drive
in the configuration. Note that each drive in the RAID system is hot-swappable. As long as only
one drive has a problem, it can be exchanged without powering down and without data loss (for
RAID 1, 3 and 5 configurations only). RAID 0 configurations do not provide any data protection.
Figure 1. Attaching the front cover (optional).
ArrayMasStor K Series
ÒInstallation Instructions and Procedures.Ó
Copyright ÓAdvanced Technology and Systems Co., Ltd., 11/2001 Rev. A 6
Trademarks and Trade names that may appear within this document are the property of their respective owners.
If one drive fails in a RAID 0 system, all data will be lost (or generally inaccessible) on all of the
drives. For information relating to RAID type selection and their appropriateness for particular
applications, see the section ÒAbout RAID levelsÓ in this manual.
In general, RAID systems are not intended to be regularly powered down. The most common
practice for powering down a RAID system is to always power the host(s) down first. By the time
the host is completely powered down, the RAID systemÕs controller will have had time to finish
clearing its cache memory, and writing out final data. Only after the host(s) are completely
powered down should the RAID system be turned OFF.
Figure 2. Rack mounting the RAID
system with the supplied rails.
ArrayMasStor K Series
ÒInstallation Instructions and Procedures.Ó
Copyright ÓAdvanced Technology and Systems Co., Ltd., 11/2001 Rev. A 7
Trademarks and Trade names that may appear within this document are the property of their respective owners.
Front panel status indicators (LEDs)
On the front panel of the RAID system are two (2) display panels. Each corresponds to the group of
three (3) drives to their left. These display panels are removable and contain two (2) drive cooling fans,
along with the a set of LED indicator lights. To remove the display/fan units, unscrew the two (2)
fasteners and carefully pull forward on the panel. Typically, these should not be removed while the
RAID system is powered ON (unless replacing a failed fan).
Along with their display functions, the fans that these panels contain provide cooling for the bank of
three (3) drives to their left. If they are removed while the RAID system is powered ON, the drives
could overheat. See figure 4 for a diagram of the display/fan panels and brief descriptions of their
status indicators.
1
2
Figure 3. Front panel status indicator panels (LEDs)
Removable Display Panels
with integrated drive cooling
fans.
Fasteners
Power indicator for the drive to its left. Normally lit when the system
is powered on.
Activity indicator for the drive to its left. This is lit when the drive
is busy and being accessed.
Drive failure indicator for the drive to its left. This is lit when the
drive has failed.
Fan failure indicator. This is lit when its fan #1 has failed.
Fan failure indicator. This is lit when its fan #2 has failed
Figure 4. Status indicators on front panel.
ArrayMasStor K Series
ÒInstallation Instructions and Procedures.Ó
Copyright ÓAdvanced Technology and Systems Co., Ltd., 11/2001 Rev. A 8
Trademarks and Trade names that may appear within this document are the property of their respective owners.
Front ÒFresh airÓ intakes
Fresh cooling air is supplied to the RAID system through vents in the front panel (see figure 5). It is
important NOT to block or obstruct these vents. Avoid placing ÒstickersÓ or ÒlabelsÓ in these two areas
on the front panel.
Rack mounting the RAID unit
The RAID unit is supplied with adjustable rails (shelf type) that attach to the inside of the intended
rack cabinet. Once installed inside the rack cabinet, the K-Series system slides onto them and secures
to the front of the rack through holes in the front of the RAID unit. Unlike other rail types, the supplied
rails do not attach to the sides of the RAID unit (see figure 2).
Figure 5. Location of fresh air intakes for the RAID unit.
Figure 6. Location of rack mounting holes.
Figure 7. Screw holes for mounting the optional pedestal mounting kit (ordered separately.)
Side view
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