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Technical Specifications
Hardware Features

MetaStor Command Module Installation Guide

Revision A, March 1998

Hardware Features

Table 3

lists the some of the features you will find in the command

module.

Table 3

Command Module Features

General

Modularized Components

SCSI array controller CRUs

Power supply CRUs

Battery CRUs

Cooling fan CRUs

Technology

Supports disk array technology

Supports RAID levels 0, 1, 3, and 5

SCSI or Fiber Channel (FC) host interface

Redundant controllers, cooling system, and power system

Hot swap logic for controller, power supply, and fan CRUs

Automatic recovery after power failure without user
intervention

User Interface

Built-in power, activity, and fault indicators

Identification labeling on CRUs, indicator lights, switches,
and connectors

SYMplicity

Storage Manager support for operating

systems such as: Windows NT

, UNIX

, and Solaris

RAID Manager for MS-DOS

Easy-to-replace controller, battery, power supply, and fan
CRUs

Controller

ID Numbers (can be modified)

Host IDs: 4 and 5 (SCSI); 0 through 15 (FC)

Technology and Interfaces

Model: SCSI differential or Fiber Channel

SCSI bus interface: Four, high-density connectors for
incoming and outgoing SCSI bus cables

Fiber Channel interface: One copper wire or fibre optic
connector on each controller CRU

Five SCSI channels to drive modules

Two RS-232 and two Ethernet connectors (one each per
controller)

Summary of Contents for J21971S-0398

Page 1: ...MetaStor Command Module Installation Guide J21971S 0398 Revision A ...

Page 2: ...osoft Corporation Solaris Operating System is a registered trademark of Sun Microsystems Inc HP UX is a registered trademark of Hewlett Packard Inc It is the policy of Symbios Logic Inc to improve products as new technology components software and firmware become available Symbios Logic therefore reserves the right to change specifications without prior notice All features functions and operations...

Page 3: ...o radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense Symbios Logic Inc is not responsible for any radio or television interference caused by unauthorized modification of this equipment or the substitution or attachment of connecting cables and equipment...

Page 4: ...ii MetaStor Command Module Installation Guide Revision A March 1998 12 1997 Initial release A 03 1998 All pages Added Fiber Channel information and corrected errors ...

Page 5: ...12 Installing the Rackmount Command Module 14 Power Cord Routing Notes 14 Mount the Command Module in the Cabinet 16 Connect the Interface Cables 18 Deskside SCSI Cabling Examples 26 Rackmount SCSI Cabling Examples 29 Connect the Power Cords 41 Completing the Installation 43 Start up Notes 43 Configuration Notes 43 Turn On the Power 44 Configure the System 45 Chapter Two Technical Reference Techni...

Page 6: ...terface 58 Fibre Optic and Copper Wire Cables 58 FC Host ID Pins 59 SCSI Interface 60 SCSI Connectors and Cables 60 16 Bit Vs 8 Bit Connections 61 SCSI Terminators 62 SCSI Host ID Pins 62 Host SCSI Pin Assignments and Signals 63 SCSI Drive Pin Assignments and Signals 65 Manufacturer and FCC Information 67 Product Labels 67 ...

Page 7: ...e Modules 28 Figure 17 One Rackmount Command Module to One Drive Module 29 Figure 18 One Rackmount Command Module to Two Drive Modules 29 Figure 19 One Rackmount Command Module to Three Drive Modules 30 Figure 20 One Rackmount Command Module to Four Drive Modules 30 Figure 21 One Rackmount Command Module to Five Drive Modules 31 Figure 22 Two Rackmount Command Modules to Five Drive Modules 32 Figu...

Page 8: ...vi MetaStor Command Module Installation Guide Revision A March 1998 ...

Page 9: ...are Parameter Settings 51 Table 5 Environment Requirements 53 Table 6 Power Requirements 54 Table 7 Site Wiring Voltages 55 Table 8 Command Module Fiber Channel Interface Cables 58 Table 9 Command Module SCSI Interface Cables 61 Table 10 SCSI Pin Assignments for Differential P Cable 63 Table 11 Host SCSI Signal Descriptions 64 Table 12 SCA 2 Interface Pin Assignments 65 Table 13 SCA 2 Signal Descr...

Page 10: ...viii MetaStor Command Module Installation Guide Revision A March 1998 ...

Page 11: ... Data Center Cabinet page 4 About Support Rails and Blank Panels page 4 Prepare the Cabinet page 5 Set the Drive SCSI IDs page 8 Preparing the Command Module page 9 Command Module Preparation Notes page 9 Remove the Command Module CRUs page 10 Set the Host IDs on the Controllers page 12 Installing the Rackmount Command Module page 14 Mount the Command Module in the Cabinet page 16 Connect the Inte...

Page 12: ...re installing a rackmount command module in a Data Center cabinet the cabinet is in its permanent operation location and is prepared for final installation These preparations may include installing Support rails inside the cabinet for mounting the controller module One or two independent power sources such as an uninterruptible power supply UPS Up to five MetaStorTM Drive Modules per command modul...

Page 13: ...unting hardware for rackmount installations Table or cart optional Software to configure the disk array About the Installation Procedures The step by step procedures in this chapter will guide you through the entire installation process for both the deskside and rackmount command modules These procedures include Preparing the Data Center cabinet rackmount installation only Preparing drive modules ...

Page 14: ...rail kit and a blank panel kit Placement of support rails and blank panels in or on the cabinet depends on where you intend to position the command module Support rail kits are available from your local dealer Kits are shipped separately Each kit contains the following parts One pair of rackmount support rails 16 10 32 x Phillips screws 4 6 32 x 3 8 Phillips screws non self tapping 2 6 32 x 3 8 Ph...

Page 15: ... lift and install the command module chassis into the cabinet 1 Turn off the power If applicable stop all I O activity to the Data Center cabinet in which you intend to install the command module Turn off the power switches on both AC distribution boxes in the cabinet 2 Remove the panels from the Data Center cabinet Figure 1 Remove the back panel from the cabinet This will make it easier to instal...

Page 16: ...e in the next assigned position above the topmost device in the cabinet If you are also installing drive modules that will connect to the command module you should install the drive modules above and below the command module for ease of cabling There must be at least 7 inches clearance above the base of the new support rails for the command module Refer to the cabling examples for rackmount module...

Page 17: ... middle hole on the support rail Attach the second support rail to the front of the cabinet on the opposite side b Facing the back of the cabinet align the holes in the support rail with the holes in the back cabinet rail Make sure that the support rail is level Insert three 10 32 x screws through the cabinet rail and into the bracket in the support rail Attach the second support rail to the back ...

Page 18: ...mage sensitive components Use a grounding wrist strap or other antistatic device before removing or handling the components in the cabinet 1 Put on an antistatic wrist strap or other protective device Make sure that the power to all applicable drive modules is turned off 2 As necessary change the SCSI ID settings on all drive modules that you are attaching to the command module As necessary change...

Page 19: ...ettings Command Module Preparation Notes It is easier to lift a rackmount command module and set it onto the support rails in the cabinet if you remove all the customer replaceable units CRUs first CRUs are portable removable units that house the controllers fans power supplies and batteries A fully loaded command module weighs approximately 34 5 kg 76 lb You can reduce the overall weight approxim...

Page 20: ...Keep the cables to the left side of the controller slot when you install a Fiber Channel controller CRU Make sure the cables are not pinched bent nicked or pulled during the installation Caution Fibre optic cables are very fragile Do not pinch the cables with tie wraps Do not make sharp bends when routing the cables Do not step on the cables or locate them in aisles or walkways 1 Remove the front ...

Page 21: ... Preparing the Command Module Remove the Command Module CRUs Revision A March 1998 Installation Instructions 11 Figure 4 Removing and Installing the CRUs ...

Page 22: ...host IDs 1 Put on an antistatic wrist strap or other protective device CAUTION Electrostatic discharge can damage sensitive components Use a grounding wrist strap or other antistatic precautions before removing or handling any components in the cabinet 2 As necessary change the controller host ID settings Figure 5 Look on the back of the command module in the upper right corner for rackmount model...

Page 23: ... Preparing the Command Module Set the Host IDs on the Controllers Revision A March 1998 Installation Instructions 13 Figure 5 Setting Controller Host ID Numbers ...

Page 24: ... Connect one power cord from the command module to each AC box in the Data Center cabinet or to independent external power receptacles Option 2 Redundant power to cabinet non redundant to command module Connect the AC distribution boxes to independent power sources Connect both power cords from the command module to one AC box in the Data Center cabinet Option 3 Non redundant power to cabinet and ...

Page 25: ... Installing the Rackmount Command Module Power Cord Routing Notes Revision A March 1998 Installation Instructions 15 Figure 6 Power Connections to the Data Center Cabinet and Command Module ...

Page 26: ...de the command module slightly toward the back of the cabinet and attach all the SCSI cables before securing the command module to the rails If you want to do this refer to Connect the Interface Cables on page 18 before performing Step 2 of this procedure 2 Secure the command module Figure 7 Align the front holes on each side of the module with the first holes on front of the support rails From th...

Page 27: ...sis As you install the CRUs make sure that you Use care when handling the and installing the CRUs Lock all CRUs securely in place Keep the Fiber Channel cables out of the way when inserting the controller CRUs if applicable Note The power supplies are interchangeable so you can insert them in either slot 5 Replace the power supply and fan CRUs Reverse the instructions shown in Figure 4 on page 11 ...

Page 28: ...The fibre optic or copper wire cable runs from the controller CRUs through the chassis and out the back Tools Equipment Host interface cables SCSI or Fiber Channel drive SCSI cables secondary interface cables optional RS 232 or Ethernet terminators and tie wraps Instructions Use the following instructions to connect the interface cables to a deskside or rackmount command module 1 Select the approp...

Page 29: ... Installing the Rackmount Command Module Connect the Interface Cables Revision A March 1998 Installation Instructions 19 Figure 8 Removing the Battery and Controller CRUs ...

Page 30: ...p bends when routing the cables see Figure 9 Do not step on the cables or locate them in aisles or walkways 3 Route the Fiber Channel cables Figure 9 On the back of the command module find the opening in the rear shield around the battery harness connector lower right corner on a rackmount unit upper right corner on a deskside unit Take one of the Fiber Channel cables and push one end through this...

Page 31: ... Installing the Rackmount Command Module Connect the Interface Cables Revision A March 1998 Installation Instructions 21 Figure 9 Fiber Channel Cable and Clips ...

Page 32: ...to the left or top and slide the controller CRUs into the slots Lock the CRUs it in place 5 Connect the Fiber Channel cables Figure 10 Attach one Fiber Channel cable to the front of each controller CRU Connect the other end of each cable to the appropriate Fiber Channel device 6 Replace the battery CRU Figure 8 on page 19 Slide the battery CRU into the slot and tighten the captive screws Next go t...

Page 33: ...ctors J4 Host B IN and J6 Host B OUT If the command module is at the end of the SCSI bus install terminators on connectors J4 J5 and J6 c Go to Step 8 Method 2 a Attach the incoming SCSI cable from host adapter 1 to controller A J3 Host A IN Daisy chain controller A to controller B by attaching a SCSI cable between J5 Host A OUT and J4 Host B IN b If the command module is in the middle of the SCSI...

Page 34: ...mand module refer to the cabling examples in Deskside SCSI Cabling Examples on page 26 For the rackmount command module refer to the cabling examples in Rackmount SCSI Cabling Examples on page 29 The cabling examples show ways to connect one or more command modules to one or more MetaStor Drive Modules Review the illustrations and determine which example most closely matches the configuration at y...

Page 35: ...ork with tie wraps Be careful not to route the cables across any sharp edges On deskside units loosely bundle the cables with tie wraps so the cables can exit the cabinet below the back panel 9 If applicable attach secondary interface cables Figure 11 on page 24 There is one RS 232 and one Ethernet cable connection for each controller on the back of the command module 10 Organize and secure interf...

Page 36: ...t the Interface Cables 26 MetaStor Command Module Installation Guide Revision A March 1998 Deskside SCSI Cabling Examples Figure 12 One Deskside Command Module to One Drive Module Figure 13 One Deskside Command Module to Two Drive Modules 1 5 1 4 5 ...

Page 37: ...Command Module Connect the Interface Cables Revision A March 1998 Installation Instructions 27 Figure 14 One Deskside Command Module to Three Drive Modules Figure 15 One Deskside Command Module to Four Drive Modules 5 5 1 5 4 4 ...

Page 38: ... Installing the Rackmount Command Module Connect the Interface Cables 28 MetaStor Command Module Installation Guide Revision A March 1998 Figure 16 One Deskside Command Module to Five Drive Modules 5 5 ...

Page 39: ... Connect the Interface Cables Revision A March 1998 Installation Instructions 29 Rackmount SCSI Cabling Examples Figure 17 One Rackmount Command Module to One Drive Module Figure 18 One Rackmount Command Module to Two Drive Modules 1 5 1 4 5 ...

Page 40: ...ule Connect the Interface Cables 30 MetaStor Command Module Installation Guide Revision A March 1998 Figure 19 One Rackmount Command Module to Three Drive Modules Figure 20 One Rackmount Command Module to Four Drive Modules 5 0 5 1 5 4 4 0 ...

Page 41: ... Installing the Rackmount Command Module Connect the Interface Cables Revision A March 1998 Installation Instructions 31 Figure 21 One Rackmount Command Module to Five Drive Modules 5 5 0 ...

Page 42: ...ng the Rackmount Command Module Connect the Interface Cables 32 MetaStor Command Module Installation Guide Revision A March 1998 Figure 22 Two Rackmount Command Modules to Five Drive Modules 1 0 5 0 5 5 0 5 5 0 ...

Page 43: ...alling the Rackmount Command Module Connect the Interface Cables Revision A March 1998 Installation Instructions 33 Figure 23 Two Rackmount Command Modules to Six Drive Modules 1 0 0 5 0 5 1 0 5 0 5 4 0 4 0 ...

Page 44: ...Rackmount Command Module Connect the Interface Cables 34 MetaStor Command Module Installation Guide Revision A March 1998 Figure 24 Two Rackmount Command Modules to Seven Drive Modules 1 0 8 70 5 0 5 1 0 5 0 5 4 0 5 70 ...

Page 45: ...he Rackmount Command Module Connect the Interface Cables Revision A March 1998 Installation Instructions 35 Figure 25 Two Rackmount Command Modules to Eight Drive Modules 1 0 9 7 60 5 0 5 1 0 5 0 5 4 0 5 5 0 5 7 60 ...

Page 46: ...ng the Rackmount Command Module Connect the Interface Cables 36 MetaStor Command Module Installation Guide Revision A March 1998 Figure 26 Two Rackmount Command Modules to Nine Drive Modules 1 70 6 0 4 0 5 7 6 0 ...

Page 47: ... Installing the Rackmount Command Module Connect the Interface Cables Revision A March 1998 Installation Instructions 37 Figure 27 Two Rackmount Command Modules to Ten Drive Modules 1 60 7 0 5 0 5 6 7 0 ...

Page 48: ... the Rackmount Command Module Connect the Interface Cables 38 MetaStor Command Module Installation Guide Revision A March 1998 Figure 28 Three Rackmount Command Modules to Six Drive Modules 0 70 5 4 0 5 4 0 5 4 70 ...

Page 49: ...ng the Rackmount Command Module Connect the Interface Cables Revision A March 1998 Installation Instructions 39 Figure 29 Three Rackmount Command Modules to Seven Drive Modules 0 8 7 60 5 4 0 5 5 5 0 5 5 7 6 5 0 ...

Page 50: ...mount Command Module Connect the Interface Cables 40 MetaStor Command Module Installation Guide Revision A March 1998 Figure 30 Three Rackmount Command Modules to Eight Drive Modules 70 9 6 0 5 0 5 1 5 0 5 5 0 5 5 7 7 6 0 ...

Page 51: ...one or more multiple connector power cords installed at the factory If the cabinet has one of these power cords with an open connector you can use the connector to connect the command module 3 Plug the power cords into the command module Figure 31 on page 42 There are two power cords supplied with the command module Plug one cord into each power connector on the back of the command module 4 Plug t...

Page 52: ... Installing the Rackmount Command Module Connect the Power Cords 42 MetaStor Command Module Installation Guide Revision A March 1998 Figure 31 Power Switches and Power Cords ...

Page 53: ... ready to store data Before you attempt to store data on your system you should use SYMplicityTM Storage Manager to determine the current status and factory settings of your system Some default software parameters such as RAID level drive groups and caching are set at the factory prior to shipment Once you determine the initial factory settings for your system you might need to configure or re def...

Page 54: ... to the command module c Both power switches on the back of the command module 2 Check the command module for faults The command module may take from three to ten seconds to power up During this time you will see the amber and green LEDs on the command module turn on and off intermittently Check the LEDs on the front and back of the command module Under normal start up conditions the green Power L...

Page 55: ...e disk array refer to the SYMplicity Storage Manager software documentation Instructions Use this procedure as a guideline for installing the disk array management software and for configuring the controllers and drives 1 Check the shipping containers that came with the command module for software materials This shipment may have included software installation diskettes or CDs plus documentation S...

Page 56: ...using the command module drive units or other components in your system may be identified by names that differ from those used in this book Keep this in mind when using the software End of Procedure Congratulations You have completed this installation For information about operating and servicing the command module refer to the MetaStor Command Module System Guide J20971S ...

Page 57: ... Default Settings page 48 Weight page 48 Dimensions page 49 Hardware Features page 50 Software Features page 51 Site Requirements page 52 Service Area Requirements page 52 Environmental Requirements page 53 Power Requirements page 54 Site Wiring and Power Considerations page 55 Host Interface page 57 Interface Options page 57 Fiber Channel Interface page 58 SCSI Interface page 60 Manufacturer and ...

Page 58: ...chassis Table 1 lists the overall weight of the command module unit and shipping plus the weight for individual components The maximum weight equals a command module containing two controllers one battery two power supplies and two fans Empty weight equals a command module with all CRUs removed Table 1 Command Module Weight Unit 34 5 kg 76 0 lb 14 3 kg 31 6 lb 3 0 kg 6 6 lb 9 7 kg 21 4 lb 0 9 kg 1...

Page 59: ...odels Table 2 Command Module Dimensions Figure 32 Command Module Dimensions Rackmount 17 48 cm 6 88 in 44 5 cm 17 5 in 63 2 cm 24 8 in 17 3 cm 6 81 in 44 5 cm 17 5 in 60 96 cm 24 08 in 44 5 cm 17 5 in 62 2 cm 24 5 in 78 7 cm 31 in Deskside 52 8 cm 20 8 in 21 6 cm 8 5 in 68 8 cm 27 0 in n a n a n a 44 5 cm 17 5 in 62 2 cm 24 5 in 78 7 cm 31 in 1 Front panel thickness is 0 375 in to 0 875 in 1 9 5 0...

Page 60: ...very after power failure without user intervention User Interface Built in power activity and fault indicators Identification labeling on CRUs indicator lights switches and connectors SYMplicityTM Storage Manager support for operating systems such as Windows NT UNIX and Solaris RAID Manager for MS DOS Easy to replace controller battery power supply and fan CRUs Controller ID Numbers can be modifie...

Page 61: ...units you should use SYMplicity Storage Manager or the appropriate software to determine the following Exactly how the drives and command modules are currently configured Whether or not you want to change that configuration Table 4 Sample Disk Array Software Parameter Settings NOTE Depending on the RAID management software you use the command module may be referred to as a disk array a RAID module...

Page 62: ...annel Interface on page 58 SCSI Interface on page 60 Service Area Requirements The floor area at the installation site must provide Enough stability to support the weight of the command module and associated equipment Sufficient space to install and service the command module To help you determine area requirements this section lists the weights dimensions and required floor space for the MetaStor...

Page 63: ...C to 45º C 40º F to 113º F Storage Range 10º C to 50º C 14º F to 120º F Transit Range 40º C to 60º C 40º F to 140º F maximum allowed Operating Range 10º C 18º F per hour Storage Range 15º C 27º F per hour Transit Range 20º C 36º F per hour no condensation Operating Range 10 to 90 Storage Range 10 to 90 Transit Range 5 to 95 Max Dew Point 26º C 79º F Max Humidity Gradient 10 per hour 0 329 kVA 214 ...

Page 64: ...6 VAC 198 257 VAC Frequency 50 60 Hz Idle Current 1 0 A1 Max Operating Current 1 0 A1 Max Surge Current 2 0 A1 3 0 A slow blow fuse per power supply 5 VDC 12 VDC Controller 7 0 A 0 1 A Battery 0 07 A 2 5 A Controller Fan 0 07 A 0 7 A Power Supply Fan 0 02 A 0 65 A Power Supply 1 0 A max per power supply 220VAC Power Supply Interface Board 20 0 A 3 35 A 1 Typical current at 240 VAC 60 Hz assumes 0 ...

Page 65: ...page 54 You must have an independent AC power source for each power supply in the command module in order to maintain redundancy Earth ground There must be an earth ground conductor on the AC power source Circuit overloading Make sure that the power circuits and associated circuit breakers in both the cabinet and building provide sufficient power and overload protection To prevent possible damage ...

Page 66: ...connect the other power supply from each module to the other circuit This meets the current requirements while providing source power redundancy This meets the current requirements while providing source power redundancy Power interruptions The command module will withstand the following applied voltage interruptions Input transient 50 of nominal voltage Duration one half cycle Minimum frequency o...

Page 67: ...onnections allow you to attach the command module to multiple hosts or devices on either a SCSI bus or Fiber Channel network There are two types of controllers available SCSI or FC The SCSI controllers provide two SCSI host connections for 16 bit differential SCSI 2 buses The FC controllers provide two host connections for either fibre optic or copper networks In addition the controllers manage al...

Page 68: ... topologies Hubs copper or fibre optic Arbitrated loops fibre optic only FC hosts copper or fibre optic Figure 33 Copper Wire and Fibre Optic Connectors Fibre Optic and Copper Wire Cables You must use either multi mode fibre optic cable or shielded twisted pair cable to connect the command module to the appropriate host or network device Table 8 lists the cables that you can use on this command mo...

Page 69: ...lements Hardware host ID settings through the host ID pins on the back of the command module Figure 34 Software algorithms that calculate the actual FC address based on the command module s hardware ID settings The hardware host ID settings on the command module are limited to 0 through 15 for each controller For more information about software host ID settings for Fiber Channel refer to your soft...

Page 70: ...ins on the back of the command module Figure 34 on page 59 These connectors and pins extend through the back wall or rear shield of the command module chassis They include the following Four host SCSI connectors two IN and two OUT for attaching SCSI controllers to one or two SCSI buses Five drive SCSI connectors for attaching up to five drive modules to the command module Two RS 232 connectors for...

Page 71: ...le at end of a 16 bit bus If you are installing the command module as the last device on a 16 bit bus you must connect the incoming host SCSI cable to the IN connector then install a terminator on the corresponding OUT connector For more information on terminators read SCSI Terminators next section Installing command module on an 8 bit bus If you intend to connect the command module to an 8 bit ho...

Page 72: ...command module where one or both controllers are the last devices on a SCSI bus you must terminate the bus To do this you must put a 16 bit differential terminator on each SCSI OUT connector on the command module s back panel For details on installing the command module refer to the instructions in Chapter 1 SCSI Host ID Pins If the command module is installed on a SCSI bus the controllers must ha...

Page 73: ...2 52 TERMPWR 2 DB 13 19 RESERVED 36 DB 13 53 RESERVED 3 DB 14 20 ATN 37 DB 14 54 ATN 4 DB 15 21 GROUND 38 DB 15 55 GROUND 5 DB P1 22 BSY 39 DB p1 56 BSY 6 GROUND 23 ACK 40 GROUND 57 ACK 7 DB 0 24 RST 41 DB 0 58 RST 8 DB 1 25 MSG 42 DB 1 59 MSG 9 DB 2 26 SEL 43 DB 2 60 SEL 10 DB 3 27 C D 44 DB 3 61 C D 11 DB 4 28 REQ 45 DB 4 62 REQ 12 DB 5 29 I O 46 DB 5 63 I O 13 DB 6 30 GROUND 47 DB 6 64 GROUND 1...

Page 74: ...arget controlling the direction of data movement on the data bus with respect to the Initiator True indicates input to the Initiator MSG MESSAGE A signal driven by the Target during a MESSAGE phase REQ REQUEST A signal driven by the Target to indicate a request for an REQ ACK data transfer handshake ACK ACKNOWLEDGE A signal driven by the Initiator to indicate acknowledgment for an REQ ACK data tra...

Page 75: ...D 5 NC Opt 3 3 V 25 DB 3 45 NC Opt 3 3 V charge 65 GROUND 6 NC Opt 3 3 V 26 DB 2 46 GROUND 66 GROUND 7 DB 11 27 DB 1 47 GROUND 67 GROUND 8 DB 10 28 DB 0 48 GROUND 68 GROUND 9 DB 9 29 DB P1 49 GROUND 69 GROUND 10 DB 8 30 DB 15 50 GROUND 70 GROUND 11 I O 31 DB 14 51 GROUND 71 GROUND 12 REQ 32 DB 13 52 GROUND 72 GROUND 13 C D 33 DB 12 53 GROUND 73 GROUND 14 SEL 34 5 V 54 GROUND 74 Mated Ground 15 MSG...

Page 76: ...n up after power is applied for nn seconds 12 seconds x drive SCSI nn seconds If the RM START signal is low the DLYD_START signal has no effect on the drive spin up SCSI_ID0 3 SCSI ID Signals used to specify the drive SCSI ID ACTIVE_LED Active LED driver A signal used to activate a remote Active LED that specifies when the drive is active BSY BUSY An or tied signal indicating that the bus is being...

Page 77: ...Technical Reference 67 Manufacturer and FCC Information Product Labels There are manufacturer s labels on the back of the command module that list the following information about your unit Class Number Model Number Serial Number Tracer Number Emissions and FCC Compliances ...

Page 78: ... Manufacturer and FCC Information Product Labels 68 MetaStor Command Module Installation Guide Revision A March 1998 ...

Page 79: ...ve modules 39 8 drive modules 40 SCA 2 drive 65 SCSI connectors for 50 drive 57 8 bit 61 50 pin 61 host 57 illustration of 59 P cable 63 pin assignments 63 16 bit 61 68 pin 61 shipped with command module 3 specifications for 60 See also power cords and SCSI cables cache memory 51 changing drive SCSI ID settings 8 host ID settings 12 temperature 53 channel drive daisy chain cabling between 61 numbe...

Page 80: ...res 51 logical 51 physical location 51 reconstruction parameter for 51 SCA 2 pin assignments 65 SCSI cables 57 connectors 60 ID setting 8 illustration of cable connections 59 dual controllers 60 E 8 bit cables 60 interface 61 SCSI interface 61 SCSI interface restrictions 62 signals on P cable 63 electrical current 54 frequency 54 plug on power cord 54 receptacle 54 emissions 67 equipment needed fo...

Page 81: ...66 to host 61 user 50 L labels manufacturer and FCC 67 length copper wire cable 58 fibre optic cable 58 SCSI bus 60 SCSI interface cables 61 logical units LUNs 51 LUN See logical units LUNs M manufacturing labels 67 memory 51 MetaStor Drive Module See also command module MetaStor Drive Module inside front cover Microsoft Corporation inside front cover model and serial numbers 67 module in RAID sof...

Page 82: ...0 independent connections 60 restrictions on 8 bit bus 62 single connection 60 termination 62 SCSI cables connecting 18 daisy chaining drive channels 61 host controllers 61 drive 57 8 bit 61 50 pin 61 host SCSI bus 57 illustration of 59 maximum length 60 pin assignments 63 SCA 2 pin assignments 65 shipped with command module 3 16 bit 61 68 pin 61 types and lengths 61 SCSI connector illustration of...

Page 83: ...rent 54 SYMplicity Storage Manager 50 51 SYMplicity Storage Manager inside front cover T technology used in command module 50 temperature maximum change allowed 53 requirements 53 terminating the SCSI bus 62 terminator 8 bit interface 62 SCSI bus 62 shipped with command module 3 16 bit vs 8 bit 62 tools needed for installation 3 transit environment 53 transmittal document 2 U unit weight 48 UNIX 5...

Page 84: ...Index 6 MetaStor Command Module Installation Guide Revision A March 1998 ...

Page 85: ......

Page 86: ... Symbios Logic Inc Printed in the USA J21971S 0398 Revision A ...

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