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Limitations on Mixing SCSI Drives

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AcceleRAID 352 Installation Guide

Limitations on Mixing SCSI Drives

Do Not Mix Narrow and Wide SCSI Drives

☛

Note

Do not mix narrow and wide SCSI devices on any
of your SCSI channels. In some cases, this may cause
signal degradation.

Mixing LVD with Single-ended Drives

If LVD capable drives are installed on a channel with single-ended devices,
all drives on the channel will operate as if they were single-ended devices.
This will also limit the bus length to the single-ended bus length specified in
Table 2-5.

Содержание AcceleRAID 352

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Страница 3: ...All contents of this manual are copyrighted by Mylex Corporation The information contained herein is the exclusive property of Mylex Corporation and shall not be copied transferred photocopied transla...

Страница 4: ...sed of the possibility of such damages Any questions or comments regarding this document or its contents should be addressed to Mylex Corporation at the address shown on the back cover The following p...

Страница 5: ...s to be performed prior to controller installation and the physical installation of the AcceleRAID 352 dual channel RAID controller Chapter 3 describes controller start up and the BIOS options Appendi...

Страница 6: ...r Press the key labeled Enter or Delete etc Note Supplementary information that can have an effect on system performance Caution Notification that a proscribed action has the potential to adversely af...

Страница 7: ...apter 2 Installation Before You Begin 2 2 Safety Considerations 2 3 Installation Checklist 2 4 GET READY 2 4 GET SET 2 4 GO 2 4 Connectors Jumpers and LEDs 2 5 PCI Hotplug 2 5 Installation Process 2 9...

Страница 8: ...Enabling the Write Back Cache A 2 Battery Backup Capacity A 2 Maintenance A 3 Removing the BBM A 3 BBM Functional Description A 3 Status Indication A 4 Battery and Charge Circuit A 4 Disposition of Fa...

Страница 9: ...3 Windows 2000 D 3 Windows 64 D 4 Appendix E Enclosure Management Introduction E 1 SAF TE E 1 SES E 2 Appendix F Regulatory Information Class B Compliance F 1 Declaration of Conformity F 2 Declaratio...

Страница 10: ...viii AcceleRAID 352 Installation Guide...

Страница 11: ...roller with 64 bit 33MHz PCI capability The AcceleRAID 352 supports two external Ultra 160 SCSI connectors two internal Ultra 160 SCSI connectors and an optional battery backup module BBM The AcceleRA...

Страница 12: ...ugh and write back cache support PCI Hotplug capability allows the AcceleRAID 352 to be swapped with a replacement without powering down the system Caution Be sure the motherboard you are using suppor...

Страница 13: ...d using drivers that reside in the AcceleRAID BIOS Many other popular operating systems are supported using software drivers in the Disk Array Controller Software Kit that is included with the AcceleR...

Страница 14: ...ion Guide Standard DIMM Memory Module 32MB 64MB or 128MB with an optional battery backup BBM pre installed OR Standard DIMM Module only 32MB 64MB or 128MB Software RAID EzAssist disk array controller...

Страница 15: ...ompatible host system with PCI slot PCI 2 1 and 2 2 compliant you must be PCI 2 2 compliant to use PCI Hot Plug Network operating system software as required SCSI cables to connect the controller and...

Страница 16: ...User supplied Items 1 6 AcceleRAID 352 Installation Guide...

Страница 17: ...ation SCSI cabling and termination SCSI IDs Limitations on mixing SCSI drive types Mylex disk array controllers are designed to work in a variety of SCSI RAID application environments Certain configur...

Страница 18: ...rystal module according to the manufacturer s instructions Never incinerate a battery as it could explode and cause serious injury 1 Power off the system and disconnect the power cables before startin...

Страница 19: ...quired Leave the controller in its anti static bag until it is time to plug the controller into the PCI slot The use of a grounded wrist strap and other ESD protective measures are highly recommended...

Страница 20: ...2 2 6 ____ Tighten the AcceleRAID 352 controller into the mounting bracket 7 ____ Connect the SCSI cable s from your drive s and or device s to the desired SCSI channel 8 ____ Check SCSI termination...

Страница 21: ...hat are mode indicators while the controller is running shown in Figure 2 4 and described in Table 2 3 The LEDs indicate single ended LVD and FAIL modes In addition there is a six pin header Figure 2...

Страница 22: ...ion Guide Figure 2 1 AcceleRAID 352 Controller with Connectors Figure 2 2 AcceleRAID 352 Default Jumper Identification Table 2 1 AcceleRAID 352 Default Jumper Descriptions JP1 Blank ROM mode JP2 Maint...

Страница 23: ...Installation Manual No 775051 2 7 Figure 2 3 AcceleRAID 352 Controller with LED front Table 2 2 LED Description front U1 FAIL LED FAIL LED U1...

Страница 24: ...back SE 1 Single ended LED Channel 1 SE 0 Single ended LED Channel 0 LVD 0 LVD LED Channel 0 LVD 1 LVD LED Channel 1 Table 2 4 Six Pin Header Identification JP3 Pin 1 3 3V power Pin 2 Channel 0 SCSI a...

Страница 25: ...s 1 Choose any available 32 bit or 64 bit PCI slot as shown in Figure 2 5 Figure 2 5 Choose an Available PCI Slot 2 Remove the metal cover plate from the slot s access port usually at the back of the...

Страница 26: ...hown in Figure 2 7 Always handle the controller by the edges and wear a ground wrist strap Figure 2 7 Remove the controller from the Anti static Bag 4 Plug install the controller firmly into any 32 bi...

Страница 27: ...power on the drives Refer to the drive manual for specific information about drive configuration settings Installing Cables and Setting Termination Please refer to Table 2 5 for SCSI Formats and Bus...

Страница 28: ...a certain SCSI speed must be used please refer to Table 2 5 on page 2 17 Note It is recommended that non RAID SCSI devices be connected to a separate SCSI channel either on the system board or furnish...

Страница 29: ...enables on board termination The controller can also detect whether single ended SE or low voltage differential LVD termination is required and can automatically configure the appropriate termination...

Страница 30: ...s at the end of the SCSI bus it automatically enables on board termination If all the SCSI devices on a channel are connected either to the internal connector or to the external connector the end of t...

Страница 31: ...le of a combined internal and external drive configuration Notice that they are on the same channel Note It is better to terminate the ends of the SCSI bus itself than it is to terminate the end devic...

Страница 32: ...e address on the same channel Remember ID 7 is reserved for the controller therefore it cannot be used as a disk drive ID ID s from 0 through 6 are usually for Narrow 8 bit devices However the full ra...

Страница 33: ...t to single ended operation mode The SCSI bus lengths will then be limited to the single ended bus lengths shown in Table 2 5 The Maximum number of devices allowed on a Wide Ultra SCSI bus is 8 unless...

Страница 34: ...wide SCSI devices on any of your SCSI channels In some cases this may cause signal degradation Mixing LVD with Single ended Drives If LVD capable drives are installed on a channel with single ended d...

Страница 35: ...ter physically installing the controller and connecting the cabling do the following steps if you need to set or modify the BIOS options see Setting BIOS Options on page 3 2 for details 1 Power on the...

Страница 36: ...ler When BIOS Disable or Enable is selected the following message will be displayed Pressing any key will restart the system CD ROM Boot Disable or Enable The default for this option is for the CD ROM...

Страница 37: ...ontroller is set to 2 GB This means that the BIOS can only access the first 2 GB of any drive that has been configured on the controller This is adequate in most applications since BIOS is only used t...

Страница 38: ...sing this utility Operating System If an operating system is not already installed on the system it can be installed on a system disk on the controller The operating system is installed along with the...

Страница 39: ...ning For details on how to install and run GAM refer to the Global Array Manager Client Software Installation Guide and User Manual In Case of Problems If problems are encountered during start up chec...

Страница 40: ...In Case of Problems 3 6 AcceleRAID 352 Installation Guide...

Страница 41: ...ery backup on this module monitors the write back cache on the AcceleRAID 352 controller and provides power to the cache if it contains data not yet written to the drives when power is lost The contro...

Страница 42: ...BIOS Configuration Utility or in GAM Refer to the RAID EzAssist Configuration Utility User Reference Guide or the Global Array Manager Client Software Installation Guide and User Manual for instructi...

Страница 43: ...your authorized dealer for repairs Batteries are not user serviceable or replaceable BBM Functional Description Whenever the system is running the BBM s battery backup circuitry is standing by monitor...

Страница 44: ...ttery Charger Battery charging is automatically handled by the BBM No manual preconditioning needs to be performed by the user If the battery capacity falls below a predetermined level which is likely...

Страница 45: ...Approximately 110 hours with 64MB Approximately 60 hours with 128MB Under less than typical conditions 45 C minimum specified backup duration Approximately 144 hours with 32MB Approximately 96 hours...

Страница 46: ...BBM Specifications A 6 AcceleRAID 352 Installation Guide...

Страница 47: ...PU i960RN microprocessor 100MHz Cache Memory 32MB 64MB or 128MB installed on a DIMM module Write Selectable Write Through or Write Back Error Protection ECC Error Correction Code Firmware ROM Type Fla...

Страница 48: ...non condensing Storage 10 to 90 relative humidity non condensing Altitude Operating Up to 3 048m 10 000 ft Storage Up to 15 240m 50 000 ft Form Factor Length 12 280 inches Width 4 750 inches Maximum...

Страница 49: ...352 hardware error Run Diagnostics to pinpoint error AcceleRAID 352 firmware checksum error Reload firmware Drive Check Error Messages If the firmware finds a valid controller configuration but it do...

Страница 50: ...eleRAID 352 Firmware Version x xx One or more of the following messages will be displayed if the firmware reports the following conditions Warning X system drives offline Warning X system drives criti...

Страница 51: ...Chapter 3 to recover from the error For more information refer to the RAID EzAssist Configuration Utility User Reference Guide or RAID EzAssist Configuration Utility Quick Configuration Guide System R...

Страница 52: ...System Reboot or Power Down C 4 AcceleRAID 352 Installation Guide...

Страница 53: ...t this point the card can be replaced At this time Mylex only supports Hot Replacement of PCI Hot Plug cards Future releases are planned to support Hot Upgrade or Hot Expansion adding a card Implement...

Страница 54: ...sys system ncmcon nlm This command loads the Novell Configuration Manager Console which then loads odineb nlm These commands can also be executed at the server console prompt Note This command is comm...

Страница 55: ...Hot Plug utility The macdisk sys driver should not be loaded with a Mylex PCI Hot Plug board if macdisk sys is loaded the system will hang upon shutdown When you install a Mylex controller as a boot d...

Страница 56: ...ion Guide Windows 64 The released version of Windows 64 is intended to support the PCI Hot Plug capability No additional software is required Please refer to the Windows 64 documentation for instructi...

Страница 57: ...otocol is compatible with standard SCSI buses and cabling The SAF TE interface standard s objective is to provide a non proprietary means of allowing third party disks and controllers to be automatica...

Страница 58: ...352 Installation Guide SES The AcceleRAID 352 supports SES SCSI Enclosure System cabinets Please refer to the documentation supplied with your SES enclosure cabinet for details on how to take advanta...

Страница 59: ...l interference to radio communications However there is not guarantee that interference will not occur in a particular installation If this equipment does cause interference to radio or television equ...

Страница 60: ...s AcceleRAID 352 Year of Manufacture 2000 Conforms to the following Product Specification s FCC CFR 47 Part 15 Subpart B Section 15 107 e and Section 15 109 g Class B Digital Device tested per ANSI C...

Страница 61: ...ares that the product Trade Name High Performance Caching RAID Controller Model Number AcceleRAID 352 Fab 550157 00 Rev A conforms to the following specifications Standards EN 50081 1 1992 EMI EN 5502...

Страница 62: ...ct may cause radio interference in which case the user may be required to take adequate measures Achtung Dieses ist ein Ger t der Funkst rgrenzwertklasse B In Wohnbereichen k nnen bei Betrieb dieses G...

Страница 63: ...th a nonvolatile RAM NVRAM chip that uses a sealed lithium battery crystal module Replace the module only with the same or equivalent type recommended by the manufacturer Dispose of the used battery c...

Страница 64: ...Underwriters Laboratories Statement and Warning F 6 AcceleRAID 352 Installation Guide...

Страница 65: ...ic SISL In addition the 150 and 250 products can work in any PC or server with a PCI slot whether or not they have SCSI interrupt steering logic The 150 and 250 have one Ultra2 SCSI LVD channel Active...

Страница 66: ...In the event of a power failure the BBU can hold data in the cache for a certain amount of time Once power is restored the data can be saved to a disk BIOS Basic Input Output System software that det...

Страница 67: ...s in a Write Back Cache are written to the target disk This operation is necessary before powering down the system Cache Line Size Represents the size of the data chunk that will be read or written at...

Страница 68: ...from Mylex utilities such as Global Array ManagerTM GAM or RAID EzAssistTM give the user the ability to have a discrepancy reported and corrected See also Parity Check Data Transfer Rate The amount of...

Страница 69: ...ach of the disks in the group will effectively have the capacity of the smallest member The total size of the drive group will be the size of the smallest disk in the group multiplied by the number of...

Страница 70: ...ing and attaches directly to a host s memory bus with no intervening I O adapter or I O bus EPROM Erasable Programmable Read Only Memory memory which can be erased and re used eXtremeRAID A family of...

Страница 71: ...detectable physical change in hardware requiring replacement of the component Fast SCSI Devices that increases the speed at which data is transferred as opposed to the volume of data These devices use...

Страница 72: ...ta storage and I O Host Bus Adapter HBA An I O adapter that connects a host I O bus to the host s storage memory system Host I O Bus An I O bus used to connect a host computer to storage systems or st...

Страница 73: ...t Replacement of Disk and Hot Spare Hot Swap The exchange of a replacement unit in a storage system for a defective unit The exchange requires human intervention but the system can continue to perform...

Страница 74: ...erconnection architecture associated with the IBM AT motherboard It allows 16 bits at a time to flow between the motherboard circuitry and an expansion slot card and its associated device s JBOD Just...

Страница 75: ...nd revert to single ended signaling Devices need to be Ultra2 SCSI LVD devices in order to take advantage of the LVD signaling Mylex AcceleRAID eXtremeRAID and DAC FL controllers are LVD controllers M...

Страница 76: ...formed on all RAID levels except JBOD Mylex s Global Array Manager GAM supports two M O R E features Expand Capacity allows logical drive expansion for FFx external controllers only Expand Array allow...

Страница 77: ...drives The parity data may exist on only one disk drive or be distributed between all disk drives in a RAID group Parity Check A function used to verify the integrity of data on a system drive It ver...

Страница 78: ...sks a collection of two or more disks working together in an array DAC960 controllers implement this technology to connect up to 15 SCSI devices per channel The different forms of RAID implementation...

Страница 79: ...redundancy Level 0 1 Combines RAID 0 striping and RAID 1 mirroring This level provides redundancy through mirroring JBOD Sometimes referred to as Just a Bunch of Drives Each drive is operated independ...

Страница 80: ...metimes called gray satin or flat wire that people are most familiar with The RJ 45 is a single line jack for digital transmission over ordinary phone wire either untwisted or twisted the interface ha...

Страница 81: ...0 to 7 0 to 15 under wide or Ultra SCSI The SCSI address uniquely identifies the drive on the SCSI bus or channel SCSI Drive States Refers to a SCSI drive s current operational status At any given tim...

Страница 82: ...150 200 or 250 to implement RAID on a system board embedded SCSI bus or a set of SCSI busses SDRAM Synchronous Dynamic Random Access Memory a form of dynamic random access memory DRAM that can be coo...

Страница 83: ...evices and their functions Standard Disk Drive This term refers to a hard disk drive with SCSI IDE or other interface attached to the host system through a standard disk controller Standby Replacement...

Страница 84: ...configuration without making any changes and exit the configuration utility This will clear the replacement table You may now proceed to boot your system and continue normal operations In normal use...

Страница 85: ...as available disk drives each with a capacity specified by the eXtremeRAID controller Target ID The SCSI ID of a device attached to a controller Each SCSI channel can have up to 15 attached SCSI devi...

Страница 86: ...viding 16 bit wide data path Write Back Cache A caching strategy whereby write operations result in a completion signal being sent to the host operating system as soon as the cache not the disk drive...

Страница 87: ...ke Model Size Type of Phone Number _______________________________ Drives Fax Number _________________________________ Disk Non Disk System Information Motherboard ____________ CPU Speed BIOS Ver Vide...

Страница 88: ......

Страница 89: ...ent the warranty period will extend through the last day of the month indicated This warranty will not apply to and MYLEX provides no warranty for any BIOS software ROM based firmware or any other PRO...

Страница 90: ...ed or mailed at the shipper s risk freight prepaid to the address below Mylex Corporation 34551 Ardenwood Blvd Fremont California U S A 94555 3607 Mylex will pay for return freight via such carrier as...

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