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User's Manual

ICP Controllers of the GDT RS and RN Series

32-Bit / 64-Bit PCI

Ultra2 SCSI and Ultra 160 SCSI

RAID Controllers

Edition

ICP vortex Computersysteme GmbH

Konrad-Zuse-Str. 9

74172 Neckarsulm - Germany

ICP vortex Corporation

4001 E. Broadway / B-20

Phoenix, AZ 85040, USA

All Rights and Changes Reserved.

Summary of Contents for GDT RS Series

Page 1: ...64 Bit PCI Ultra2 SCSI and Ultra 160 SCSI RAID Controllers 1st Edition Copyright 1998 2000 ICP vortex Computersysteme GmbH Konrad Zuse Str 9 74172 Neckarsulm Germany ICP vortex Corporation 4001 E Bro...

Page 2: ...2...

Page 3: ...tion Chapter C Quick Setup Part II Part II Part II Part II Chapter D Using Microsoft MS DOS Windows 95 98 Chapter E Using Novell NetWare Chapter F Using Windows NT 2000 Chapter G Using LINUX Chapter H...

Page 4: ...ber by calling ICP vortex Corporation at 602 414 0414 This RMA number must be dis played on the outside of your package Products must be properly packaged to prevent damage in transit ICP vortex accep...

Page 5: ...umbers For Europe 49 0 7132 9620 900 For the USA 602 414 0414 or send us a FAX For Europe 49 0 7132 9620 400 For the USA 602 414 0444 or send us an E Mail For Europe support vortex de For the USA supp...

Page 6: ...hanks to all my Friends Monika Wolfgang the grandmasters AnnDee Lois Jeniffer Valerie Carl Frank Ken the right one and William the Phoenix Crew Achim Dieter G nter Hooshiar Johannes J rg Norbert Otto...

Page 7: ...rence will not occur in a particular installa tion If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the us...

Page 8: ...4 Compatibility PCI 22 A 5 5 Up to 6 Ultra 160 SCSI Channel 22 A 5 6 ICP Controller Firmware BIOS and ICP RAID Console 22 A 5 7 Configuration and Monitoring utilities ICP RAID Console and ICP RAID Nav...

Page 9: ...7 1 Idle State 67 C 7 2 Build State 67 C 7 3 Ready State 67 C 7 4 Fail State 67 C 7 5 Rebuild State 67 C 7 6 Expand State 67 C 7 7 Error State 67 C 8 Methods for the Replacement of a Disk Drive 69 D...

Page 10: ...ives 90 F 2 Windows NT 90 F 2 1 Preparing the Installation 90 F 2 2 The Installation 92 F 2 2 1 The ICP Controller is the first Controller in the System 92 F 2 2 2 The ICP Controller is the Secondary...

Page 11: ...CPCON Program Under NetWare 116 J 1 2 Loading the ICPCON Program Under Solaris 7 117 J 1 3 Loading the ICPCON Program Under Windows NT 2000 117 J 1 4 Loading the ICPCON Program Under Windows 95 98 117...

Page 12: ...41 J 4 6 3 Menu Advanced Setup Configure Array Drives Add RAID 1 Component 141 J 4 6 4 Menu Advanced Setup Configure Array Drives Replace Array Component 141 J 4 6 5 Menu Advanced Setup Configure Arra...

Page 13: ...Window 164 K 5 2 The Array Drive Information Window 164 K 5 3 The Logical Drive Information Window 166 K 5 4 Change the name of a Drive 167 K 5 5 Remove a Host Drive 167 K 5 6 Create a new Host Drive...

Page 14: ...14 L 1 Technical Data of the ICP Controller 184 L 2 Boot Error Messages 184 L 3 Index 185...

Page 15: ...15 Chapter A General General General General Information Information Information Information...

Page 16: ...N Series are suitable for the most different platforms and ap plications All ICP Controllers are pure bred hardware solutions All functionality required for the very complex tasks is hardware implemen...

Page 17: ...0 MB s Optional 0 1 4 5 10 GDT7563RN 6 160 MB s Optional 0 1 4 5 10 GDT7623RN 2 160 MB s Yes 0 1 4 5 10 GDT7643RN 4 160 MB s Yes 0 1 4 5 10 GDT7663RN 6 160 MB s Yes 0 1 4 5 10 A 1 1 Key Features of th...

Page 18: ...Wide Ultra2 or Ultra 160 SCSI channel For the Wide Ultra2 SCSI RN Series Controllers one full featured additional Wide Ultra SCSI channel for legacy SCSI devices hard disks CDROMs etc with third gener...

Page 19: ...cturers quoted in this manual are protected by copyright ICP Intelligent Computer Peripherals and RAIDYNE are registered trademarks of ICP vortex Computersysteme GmbH Europe ICP vortex Computersysteme...

Page 20: ...nse 2 It is permitted to produce one single copy disk of the software for back up purposes only Furthermore it is permitted to copy the software onto the hard disk of one sin gle computer It is not pe...

Page 21: ...atic bag the CDROM and this manual WARNING Never take the GDT PCB Printed Circuit Board out of the anti static bag unless this is done at an anti static work place and the person handling the ICP Con...

Page 22: ...ing utilities ICPCON and ICP RAID Navigator the user can adjust various cache parameters A 5 4 Compatibility PCI The ICP Controllers have been developed in accordance with the 2 2 PCI Bus specificatio...

Page 23: ...the array is fully operational Another feature of RAIDYNE is the online RAID Level Migration of an existing array e g from RAID 0 to RAID 5 GDT76x8RN controllers are equipped with the Cluster RAIDYNE...

Page 24: ...sical Devices Logical Drives Array Drives Host Drives Controller Physical Devices Logical Drives Array Drives Host Drives Failed Drives Hot Plug Graphical User Interface Windows 9x Windows NT 2000 Set...

Page 25: ...n for detailed installation information Hard Disk Remov HDD CDROM Streamer WORM MOD MS DOS GDT ASPI or GDT ASPI ASPI ASPI ASPI GDT NetWare GDT GDT ASPI ASPI ASPI ASPI GDT UNIX LINUX GDT GDT UNIX UNIX...

Page 26: ...A 64 Bit PCI B us Connector Controller can also be operated in a 32 Bit PCI Bus U nbuffered PC100 DIM M 16 32 64 128M B Standard and ECC SUM SE A Anode Cathode LED Connector SCSI Activity SE A T S T D...

Page 27: ...ure Socket M ode LED ON LVD OFF SE TPx Term inator Power Default Jum pers closed Term inator Pow er SE Channel D efault Jum per closed 64 Bit PCI Bus Connector Controller can also be operated in a 32...

Page 28: ...al Alarm Feature Socket M ode LED O N LVD O FF SE TPx Term inator Pow er Default Jum pers closed Term inator Pow er SE Channel Default Jum per closed 64 B it PC I Bus Connector Controller can also be...

Page 29: ...O N LVD O FF SE U nbuffered PC100 DIM M 16 32 64 128M B Standard and ECC Anode Cathode LED Connector SCSI Activity T S T DM A S Status Term inator Pow er Default Jum per closed Term ination via Soft...

Page 30: ...B Anode Cathode LED Connector Acoustical Alarm M ode LED ON LVD OFF SE TPx Term inator Power Default Jum pers closed Unbuffered PC100 D IM M 16 32 64 128M B Standard and EC C Term ination via Soft Sw...

Page 31: ...C Anode Cathode LED Connector Acoustical Alarm M ode LED O N LVD O FF SE TPx Term inator Pow er Default Jum pers closed Unbuffered PC100 D IM M 16 32 64 128M B Standard and EC C Term ination via Soft...

Page 32: ...eature Socket 64 Bit PCI B us Connector Controller can also be operated in a 32 Bit PCI Bus Unbuffered PC100 DIM M 16 32 64 128M B Standard and ECC SUM A B A node C athode LED Connectors Term ination...

Page 33: ...IM M 16 32 64 128M B Standard and ECC SUM A B C D Anode Cathode LED Connector Term ination via Soft Sw itches Default Term ination Settings Channels A B C D Term ination alw ays O FF Term ination Powe...

Page 34: ...PC100 DIM M 16 32 64 128M B Standard and ECC SUM A B C D E F Anode Cathode LED Konnektor Term ination via Soft Switches Default Term ination Settings Channels A B C D E F Term ination alw ays OFF Ter...

Page 35: ...35 Chapter B Hardware Hardware Hardware Hardware Installation Installation Installation Installation...

Page 36: ...DIMM Dual Inline Memory Module The ICP Controller is delivered without PC100 DIMM 0MB The ICP Controller must be operated with one non buffered PC100 DIMM or one non buffered ECC PC100 DIMM The PC100...

Page 37: ...n transmission errors The current lev els on the SE bus are reasonably higher than on a differential bus If the differential data transfer method is used two wires with separate voltage levels are use...

Page 38: ...tors is very important for both internal and external SCSI cables Generally internal SCSI cables are 50 or 68 conductor flat ribbon cables To connect external SCSI devices round and shielded cables wi...

Page 39: ...coding first pair blue white all other pairs orange white and complies with the ANSI T10 1142 D document ICP vortex offers a finished cable assembly which is based on this raw material Order No 8839 T...

Page 40: ...40 Example for a SCSI Flat Ribbon Cable for 8 Bit SCSI Devices narrow...

Page 41: ...41 Example for a SCSI Flat Ribbon Cable for 16 Bit SCSI Devices wide...

Page 42: ...42 Example for a Wide Ultra2 and Ultra 160 Flat Ribbon Cable 1 5 Meters Examples for Wide Ultra2 and Ultra 160 Round Cables 1 Meters and 3 Meters...

Page 43: ...Ultra SCSI channel of the Wide Ultra2 RN Series Controllers uses an active SCSI bus termination The voltage for the termination circuitry is supplied either by the SCSI device itself or by the TERMPW...

Page 44: ...Bracket with an internal 50 pin header and an external 50 pin HD SCSI connector female Connection of an external Nar row Ultra SCSI subsystem with an internal Narrow Ultra channel Not for LVDS operati...

Page 45: ...951 LVDS SE Terminator Terminator for LVDS or SE buses with 68 pin HD SCSI connector female LEDs indicate whether the bus terminator is operating in SE or LVDS mode Termination of SE or LVDS 68 pin ca...

Page 46: ...the LED is lit the Wide Ultra2 and Ultra 160 SCSI channel is operating in LVDS Mode If the LED is not lit this channel is operating in SE Mode only The same applies to the SCSI accessories Art No 895...

Page 47: ...47 Several internal Wide Ultra2 and Ultra 160 SCSI Hard Disks...

Page 48: ...r 32 Bit PCI bus master slot and remove the metal bracket following the instructions in your PCI computer manual It is essential that the ICP Controller is plugged into a bus master slot it will NOT w...

Page 49: ...et correctly Are the SCSI bus terminators plugged set correctly Are the SCSI flat ribbon cables connected correctly Step 8 After having checked all the points in Step 7 reconnect the PCI computer syst...

Page 50: ...th the help of a configuration file EISA cfg file and the ad dress space is determined by the user the PCI system BIOS automatically maps the BIOS of a PCI compatible peripheral expansion card to a me...

Page 51: ...switching on the computer system screen remains dark etc you should check the entire installation over again Are you using a functioning unbuffered PC100 DIMM min 16MB Try another one DIMM plugged fir...

Page 52: ...52...

Page 53: ...53 Chapter C Quick Setup Quick Setup Quick Setup Quick Setup...

Page 54: ...the ICP Controller Firmware We refer to firmware as the operating system which controls the ICP Controller with all its functions and capabilities The firmware exclusively runs on the ICP Controller a...

Page 55: ...the corresponding GDT76x8RN or GDT76x3RN controllers Unlike pure software solutions e g Windows NT the ICP Controllers a pure hardware RAID solutions All ICP Controllers are equipped with a hardware...

Page 56: ...Mirroring Disk Duplexing All data is stored twice on two identical hard disks When one hard disk fails all data are immediately available on the other without any impact on the performance and data i...

Page 57: ...ancy In situations with many small data blocks the parity hard disk becomes a throughput bottle neck With large data blocks RAID 4 shows significantly improved performance RAID 5 Data Striping with St...

Page 58: ...ance and RAID 1 Data Security Unlike RAID 4 and RAID 5 there is no need to calculate parity in formation RAID 10 disk arrays offer good performance and data security As in RAID 0 op timum performance...

Page 59: ...f several hard disks RAID 0 Array Drives RAID 1 Array Drives RAID 1 Array Drives plus hot fix drive RAID 4 Array Drives RAID 4 Array Drives plus hot fix drive RAID 5 Array Drives RAID 5 Array Drives p...

Page 60: ...re directly accessed from the operating system UNIX Win dows NT For more information on how to use these devices please refer to the corre sponding chapters of this manual Note hard disks and removabl...

Page 61: ...can be used for new Host Drives Select a hard disk with the SPACE bar it becomes marked with an and press ENTER Since we have only one hard disk selected in the Choose Type menu the only possible hig...

Page 62: ...e computer and load ICPCON from the Flash RAM of the ICP Controller In this case no operating system is required Select the menu option Configure Host Drives with ENTER The list of available Host Driv...

Page 63: ...his process the status of this RAID 1 Disk Array changes into ready i e the data is fully redundant The functioning of a RAID 1 or mirroring disk array is easy to understand On the ICP Con troller one...

Page 64: ...ogical or Host Drive and can be used for new Host Drives Select four hard disks with the SPACE bar these hard disks become marked with an and press ENTER Move the selection bar with the cursor keys fr...

Page 65: ...ve and builds it into the Disk Array The status of the Disk Array would be rebuild and finally ready again C 6 Trying to Answer The Initial Questions C 6 1 How Many Hard Disks Should be Integrated Int...

Page 66: ...ID 5 2GB 3GB 4GB RAID 10 2GB It is quite obvious that the redundancy of level RAID 1 soon becomes very expensive when more than 2 hard disks are used Only with RAID 4 and RAID 5 have you a reasonable...

Page 67: ...state whenever a Logical Drive fails Redundancy informa tion is still present thus allowing the remaining hard disks to continue working This state should be eliminated as soon as possible by replaci...

Page 68: ...68 Replacement either manually or through hot fix method...

Page 69: ...clo sure and are not removable Additional cost for external enclosure cables backplanes etc Disk Drives are installed re movable in an intelligent or non intelligent subsystem The subsystem complies w...

Page 70: ...70...

Page 71: ...71 Chapter D Using MS DOS Using MS DOS Using MS DOS Using MS DOS...

Page 72: ...system message ROM BASIC NOT FOUND SYSTEM HALTED is displayed in the 40 lines of text mode You can easily remedy this problem by booting the system from an MS DOS floppy disk and then activating the...

Page 73: ...dress space of the ICP BIOS must also be excluded If the GDTX000 EXE driver is loaded from the CONFIG SYS file in a line before the Expanded Memory Manager EMM it is not necessary to exclude the addre...

Page 74: ...SI the ICP Con troller is certified by Corel Both units the SCSI controller and the SCSI device communicate through this ASPI interface It is not a hardware interface like for example Centronics SCSI...

Page 75: ...be free and there have to be enough drive names available For example the DOS command LASTDRIVE H would enable the user to use drive names from A to H In the AUTOEXEC BAT file the Microsoft translati...

Page 76: ...indicates that it is a CDROM drive Information on the various CDROM drives which can be used can be obtained directly from Corel D 6 The ICP ASPI Manager GDTASPI EXE The ICP ASPI Manager GDTASPI EXE...

Page 77: ...program AFDISK EXE to initialize the drive to be run through the ASPI interface Step 3 After the successful initialization do a warm reboot Ctrl Alt Del The CONFIG SYS will be similar to the following...

Page 78: ...program 3 Select the controller ENTER Press F2 to enter Advanced Setup 4 Highlight Configure Controller ENTER Highlight Controller Settings ENTER 5 Highlight Delayed Write ENTER Highlight OFF ENTER De...

Page 79: ...troubleshooting problems with the controller 11 Press Esc two times to exit the ICPCON program D 7 2 The ICP Controller is the secondary controller 1 Transfer the WIN95 files from the ICP System CD to...

Page 80: ...being written to the hard disks so called cache flush Step 2 Installation via a hard disk partition It is recommended to transfer the installation data from the Windows 98 CDROM onto a hard disk parti...

Page 81: ...81 Chapter E Using NetWare Using NetWare Using NetWare Using NetWare...

Page 82: ...ICP driver software located on the ICP System CDROM The driver belongs to the category of so called NLMs NetWare Loadable Module GDTRP310 DSK for NetWare 3 10 GDTRP311 DSK for NetWare 3 11 GDTRP312 DS...

Page 83: ...ral times But as it is re entrant it is only loaded once A single ICP Con troller can be chosen by selecting its PCI slot number E 4 Novell NetWare 4 x 5 x Using HAM Driver ICP Controllers also suppor...

Page 84: ...switch to the file server console with ALT Esc Type SEARCH ADD 1 C NWPA at the file server console Type LOAD C NWPA NWPALOAD at the file server console Return to the installation screen ALT Esc Press...

Page 85: ...e RAM on the controller and the hard disks The ICP Controllers can easily cope with up to 500 simul taneous requests The following command line enables the adjustment of a new number under NetWare def...

Page 86: ...disk cache delay time This parameter sets the time whereafter dirty buffers are written flushed from the cache of NetWare to the hard disk The minimum value is 0 8 seconds which influences the server...

Page 87: ...on the ICP vortex Website http www icp vortex com E 5 7 Adding Additional Capacity After An Online Capacity Expansion The additional capacity resulting from an online capacity expansion of an existing...

Page 88: ...88...

Page 89: ...89 Chapter F Using Windows NT Using Windows NT Using Windows NT Using Windows NT or or or or Windows 2000 Windows 2000 Windows 2000 Windows 2000...

Page 90: ...ble Cluster RAIDYNE which allows the setup and operation of Microsoft Cluster Server MSCS For further information on ICP clustering check our website or contact us directly F 2 1 Preparing the Install...

Page 91: ...l geometric parameters heads sectors of the ICP Controller BIOS Host Drives during the installation process This can cause Windows NT to calculate wrong parameters In this case the first part of the i...

Page 92: ...the Windows NT CD 2 After the setup screens comes up press F6 3 Select S Specify Additional Device and Other 4 Insert the ICP Windows NT driver disk 5 Select the ICP GDT Disk Array Controller and pre...

Page 93: ...olled by the ICP Controller in two fundamentally different modes Mode 1 The removable hard disk is treated like a normal hard disk The data passes through the cache of the ICP Controller and the media...

Page 94: ...g Additional Capacity After An Online Capacity Expansion The additional capacity resulting from an online capacity expansion of an existing Array Drive is introduced to the system as a new Host Drive...

Page 95: ...r carried out all steps described in sec tion F 3 1 F 3 2 1 The ICP Controller is the first Controller in the System The following instructions 1 to 6 assume that the ICP Controller is the first contr...

Page 96: ...96...

Page 97: ...97 Chapter G Using LINUX Using LINUX Using LINUX Using LINUX...

Page 98: ...t way to operate disk arrays under LINUX neither LINUX nor the PCI computer need to be involved in the administration of these complex disk array con figurations G 2 Available Drivers and Tools gdth t...

Page 99: ...tion on ICPCON can be found in a separate chapter of this User s Manual The ICP System CDROM includes two archives icpcon tgz ICPCON and object files intel icpcona tgz ICPCON and object files alpha Th...

Page 100: ...eamers DATs etc do not require a reservation IMPORTANT The reservation is only possible with not initialized SCSI devices Use ICPCON to de initialize an already initialized device As already mentioned...

Page 101: ...uire ICP Controllers with firm ware version FW 1 23 00 2 23 00 or higher The current default settings of the driver are gdth disable N reserve_mode 1 reverse_scan N max_ids 127 rescan N If gdth is loa...

Page 102: ...102...

Page 103: ...103 Chapter H Using SCO UNIX Using SCO UNIX Using SCO UNIX Using SCO UNIX...

Page 104: ...ks for 3 2v4 x 3 2v5 x for the installation In the following discussion when we speak of a boot drive we refer to the drive which is first integrated upon system power up For the ICP Controller this d...

Page 105: ...are to be used in mkdev ADM Let s have a brief look at how the HA no target ID and LUN are determined Please note that the UNIX driver always maps the first detected Host Drive with target ID 0 LUN 0...

Page 106: ...ives menu In this way it is also possible to change the boot drive it had previously been selected as boot drive because it has the lowest drive number that is 0 and is therefore the first drive to be...

Page 107: ...CP UNIX driver has to make the appropriate transformations Configuration Example In the PCI computer are two ICP Controllers HA 0 1st ICP HA 1 2nd ICP each with two SCSI channels 1 hard disk as Host D...

Page 108: ...troller Therefore if there is only one ICP Controller installed in the PCI bus computer system the host adapter number 0 If there are two ICP Controllers in stalled the ICP Controller with the lower P...

Page 109: ...ise a separate ID LUN entry is necessary for each single media since the drive number depends on the media and not the device containing it SCO UNIX V 386 3 2v4 x and later versions support a maximum...

Page 110: ...110...

Page 111: ...111 Chapter I Using UnixWare Using UnixWare Using UnixWare Using UnixWare...

Page 112: ...rated upon system power up For the ICP Controller this drive is the first Host Drive in the list of ICP Host Drives i e the Host Drive with number 0 see ICPCON menu Configure Host Drives During the in...

Page 113: ...er of the ICP Controller Therefore if there is only one ICP Controller installed in the PCI bus computer system the host adapter number 0 If there are two ICP Controllers in stalled the ICP Controller...

Page 114: ...b0 Bus number t0 Target ID 0 d0 LUN 0 s0 UnixWare partition All new SCSI devices will be automatically recognized and a corresponding special device file will be generated Host Drives must be partiti...

Page 115: ...115 Chapter J ICP RAID Console ICP RAID Console ICP RAID Console ICP RAID Console ICPCON ICPCON ICPCON ICPCON...

Page 116: ...tion Online Capacity Expansion of existing Disk Arrays Enhanced repair functions for Disk Arrays with failed drives Monitoring functions indicate the performance of the various components Cache statis...

Page 117: ...program for Windows NT 2000 is part of the ICP System CDROM To load the program under Windows NT 2000 enter ICPCON ENTER For using ICPCON to monitor the server s remote the MON4SOCK DLL has to be load...

Page 118: ...mentioned before the ICPCON program appears identical for all operating systems Thus we can demonstrate the use and functioning of this program regardless of the oper ating system used In previous cha...

Page 119: ...Interface represents the method of how ICPCON connects with the ICP Controller In this example Win 9x NT 2k means that this ICPCON is the Windows version and is loaded on a Windows system If you press...

Page 120: ...Setup ICPCON offers two fundamentally different operating modes Express Setup Advanced Setup with configuration functions Monitor with monitoring functions The various menu options can be selected ei...

Page 121: ...es J 3 The Menu Monitor J 3 1 Menu Monitor View Statistics In each of these menus ICPCON displays the performance of the drives of the correspond ing level of hierarchy The throughput of the drives is...

Page 122: ...d out of the cache i e without triggering an immediate Disk IO By setting the Sample Rate you can choose the interval at which the ICP Controller deliv ers new measurements According to the operating...

Page 123: ...nment tables Note If a hard disk works with alternate tracks it is generally no longer suitable for applications with high performance expectations When ever a defective block is being accessed the re...

Page 124: ...logging list is a good source to analyze complex events and problems J 4 The Menu Express Advanced Setup J 4 1 Menu Express Setup Configure Host Drives This function allows a very easy installation o...

Page 125: ...the build state as soon as you quit ICPCON While the array is in the build state redundancy information is calcu lated and stored to the hard disks of the array Ready State The disk array is fully ope...

Page 126: ...but only one of the two Logical Drives is really defective and the other was blocked out since it was connected with the same SCSI channel as the defective one The Array Drive s state is error and no...

Page 127: ...mum values After leaving ICPCON or after pressing F10 for refresh the ICP Controller starts the build process on this Host Drive In our example it calculates the parity information and writes it to th...

Page 128: ...N from the Flash RAM of the ICP Controller Before you can partition a new Host Drive it may become neces sary to reboot the system first The partitioning menu has similar functions as the MS DOS progr...

Page 129: ...rity can longer be maintained You may call our technical support center for further assistance After selecting the Array Drive ICPCON display the actual drive which has failed In this example it is th...

Page 130: ...ed twice primary and secondary configuration data on each hard disk I e the ICP Controller itself carries no configuration data of a specific disk array Out of this reason the migration of Host Drives...

Page 131: ...or backplanes ICP s Ultra Wide Disk Array Controllers were the last ICP Con trollers supporting this sometimes also called DEC Fault Bus Today s modern subsystems are either using SAF TE SCSI Accessed...

Page 132: ...n set which includes all hard disks which should be auto hot pluggable The following example shows the slots of the enclosure which have been assigned with hard disks To fill an empty slot press ENTER...

Page 133: ...nnels of the ICP Controller for clustering Special care must be taken that the IO Processors of a shared channel SCSI or Fibre Channel have different IDs otherwise there will be conflicts J 4 3 7 Menu...

Page 134: ...n an array of many drives If you press F8 you can repair the configuration data of a physical drive If your ICP Con troller should ever display during his boot sequence a message like Detected Primary...

Page 135: ...no influence on the transfer rate anymore Two SCSI bus participants which want to exchange data between each other have to check if and how i e with which parameters a synchronous data transfer betwe...

Page 136: ...ith a very high probability to a non functioning hard disk Before the actual formatting ICPCON asks you whether the Grown Defect table of the hard disk should be deleted Some users believe that this m...

Page 137: ...gure Phys Devs Enclosure Status After selecting this option you can either view the Enclosure Status or view configure the enclosure slots Before you can use the Auto Hot Plug with a SAF TE subsystem...

Page 138: ...138 SEP FAN FAN Power Supply Status LEDs Hot Plug Control Hard Disk SCSI Channel ICP Disk Array Controller Power Supply Door Lock Temperature...

Page 139: ...f one single hard disk If a Logical Drive consists of more hard disks it is of the type Chain concatenation of several hard disks F3 loads the media of removable hard disks and F5 turns for some secon...

Page 140: ...2000MB each the Logical Drive will have a capacity of 8000MB When data is written to this Logical Drive the first hard disk is filled first then the second and so on Although it is not advisable Logic...

Page 141: ...gical Drives One Logical Drive has failed and the Array Drive went into the fail state Another failure would cause data loss Unfortunately you find another Logical Drive which is shortly before failin...

Page 142: ...become a Hot Fix drive must not be an active component of another Array Drive 2 The Logical Drive that is to become a Hot Fix drive must have a storage capacity greater than or equal to the storage c...

Page 143: ...h is calculated during an array build or rebuild is stored on a dedicated Logical Drive RAID 4 or is distributed over all Logical Drives of the Array Drive RAID 5 This information is often called pari...

Page 144: ...which the data is divided Valid values are 16KB 32KB 64KB or 128KB The default is 128KB The Build Type decides how the redundancy information is created The Destructive Build which is only available...

Page 145: ...ve to get a replacement hard disk or because you did not realize the failure immediately since you didn t hear the ICP Controller s alarm signal or because nobody checked the file server increases the...

Page 146: ...tup Configure Host Drives Split Host Drive For some purposes it might be of interest to split an existing Host Drive into two or several Host Drives Each Host Drives looks to the operating system just...

Page 147: ...147 Chapter K ICP RAID Navigator ICP RAID Navigator ICP RAID Navigator ICP RAID Navigator...

Page 148: ...ecalculate the parity data of RAID 4 and RAID 5 Array Drives Online capacity expansion of Array Drives Split and merge Host Drives Hot Plug Replace a failed member of an Array Drive Hot Fix Configure...

Page 149: ...ses Description Select Controller Select a local or remote ICP Controller for further ac tions Physical Configuration Show and or modify the ICP Controller and device set tings Logical Configuration S...

Page 150: ...lp K 2 5 File Menu Commands Here you can end your ICP RAID Navigator session Shortcuts Press Alt F4 or click to close the window K 2 6 View Menu Commands Use the items in this menu to open or close th...

Page 151: ...the Logical Configuration windows This is the rate which is used by the ICP RAID Navigator to update the contents of the physical and logical configura tion windows The options are Refresh on Activat...

Page 152: ...roller and afterwards the ICP Control ler itself The selection and de selection is done by double clicking on the ICP Controller The selected protocol system and ICP Controller are shown in a dashed y...

Page 153: ...d be always On BIOS The BIOS of the ICP Controller is needed to boot the computer and the operating system from a Host Drive BIOS Warn ing Level Enables or disables the display of non critical boot me...

Page 154: ...dware In contrast to EPROMs Flash RAMs can be re programmed many times and without the complicated UV light erasing procedure Thus both software modules can be easily updated without having to remove...

Page 155: ...e drive has failed please con tact our hotline for further assistance If no drive failed you may also check the Controller Events to find out if the CPU of the ICP Controller is overheated If you hear...

Page 156: ...on Thus pay attention to the correct termination of the SCSI bus and set the ID of the hard disk to a free address if that is not done automatically by your storage subsystem If you do not know which...

Page 157: ...ens Physical Disk Physical Drive Information Removable Disk The SCSI Parameters The SCSI parameters configure a Physical Drive especially its performance By changing the SCSI parameters you can set th...

Page 158: ...s In order to select a transfer rate above 10 MB s the protocol has to be set to SCSI III Higher frequencies single ended SCSI require better cabling shorter cables and a profes sional termination of...

Page 159: ...ou confirm to start the low level format you are asked if you want to delete the grown defect list of the drive Deleting this list does not mean that the grown defects media de fects vanish It is very...

Page 160: ...rolled by a software driver e g an ASPI module the operating system or an application Non direct access devices cannot be initialized or changed in their SCSI parameters with this program Icon Descrip...

Page 161: ...ens right click opens Host Drives Host Drive Information Create a new Host Drive Create a new Host Drive Normal Host Drive This Host Drive belongs to the selected ICP Controller on a non clustering I...

Page 162: ...n case of one server failing these resources move over to another valid server The hard disks used for clustering are physically not connected with just one ICP Controller but with several ICP Control...

Page 163: ...isk Hot Fix Drive Failed missing Hot Fix or Single Disk Chaining Drive Logical Drive Information Physical Drives These are the hard disks You cannot change any settings here If you want to change the...

Page 164: ...t can be renamed by selecting the menu Drive Name of the menu list you get after clicking with the right mouse button on the Host Drive icon Capacity The capacity reported to the operating system The...

Page 165: ...in the ready status i e attribute RW Striping Size RAID 0 5 10 Data written on RAID 0 4 5 or RAID 10 drives is distributed over all drives striping This is the size of the blocks The striping size can...

Page 166: ...ibutes The attribute of a Logical Drive is usually read write RW If a component of a disk array is missing while startup and the op erator decides not to activate fail mode the array is set to the rea...

Page 167: ...operating system The structure of the Host Drives is not known to the operating system i e the operating system does not recognize that a given Host Drive consists of a number of hard disks forming a...

Page 168: ...contain parity information which is used in case of a drive failure The parity information is calculated from the user data on the disk array On RAID 4 disk arrays the parity data is stored on a singl...

Page 169: ...the Array Drive RAID 5 The estimated time indicates the time needed by the controller to finish this process if the user load on the controller does not change The elapsed time is reset when opening...

Page 170: ...ere are problems with this disk or with the cabling of this disk there is always the risk of data loss Some expansions will take quite a long time so it is advis able that there is not too much traffi...

Page 171: ...rse a Hot Fix Drive is not compul sory If you control the disk array at regular intervals and immediately replace a defective drive by shutting down the system or hot plugging you can do without a Hot...

Page 172: ...cal Drive from a box where you see all members of the RAID 1 Array Drive After confirmation the Logical Drive is removed If the RAID 1 Array Drive consists of two drives like usual the RAID 1 Array Dr...

Page 173: ...t You can monitor the progress of the array build rebuild by clicking the right mouse button on the Host Drive and then selecting progress information Note User traffic on an Array Drive which is in t...

Page 174: ...ild patch ready patch This word indicates that the original Array Drive went through a significant procedure I e the parity information was recalculated anew Or the Array Drive has been patched from t...

Page 175: ...time You can add drives by drag and drop them from the physical and logical configuration windows into the statistics win dow If you want to change the layout of the lines adjust the scales of the axi...

Page 176: ...often this event occurred Some events may occur quite often so this counter helps to keep an overview The next column lists the date and the time when the event occurred The last column describes the...

Page 177: ...ator includes an online help function You can either choose the Help menu or the pointer with the question mark to obtain online help on a specific icon or func tion There is also an index which allow...

Page 178: ...ers To install the ICP Service under Windows NT copy ICPSRV EXE and ICPSRV CPL into the winnt system32 directory and load ICPSRV i from the command line This installs the service In a next step load i...

Page 179: ...179 In the IOCTLSrv property sheet you can add remove users which have remote access to the ICP Controller with the ICP RAID Navigator Passwords are encrypted...

Page 180: ...s After loading ICPMAIL EXE and selecting Settings you can configure the mailing tool If you select Local System all messages are displayed on the server itself If you select Log file you are asked fo...

Page 181: ...181 Following is a typical message generated by ICP Mail The Mail option allows the interfacing to a standard mailing system like Microsoft Out look or Exchange...

Page 182: ...182...

Page 183: ...183 Chapter L Appendix Appendix Appendix Appendix...

Page 184: ...approximately 10 Watt L 2 Boot Error Messages Error Message possible cause remarks Error detected on SIOP x SCSI cable defective hard disk connected defective SIOP x defective SCSI bus not properly t...

Page 185: ...40 37 FAST 80 37 Fast SCSI Bracket 44 FCC Compliance 7 Flash RAM 18 20 22 131 GDT ASPI Manager GDTASPI EXE 76 GDT_RPFW file 131 GDTASPI EXE Parameters 76 GDTRP310 DSK Driver vor NetWare 3 10 82 GDTRP3...

Page 186: ...e with ICPCON 141 SCA connector 46 SCO UNIX GDTSYNC 109 SCSI Basics 37 SCSI Bus Termination 43 SCSI Cables 38 SCSI ID 43 SCSI RISC processor 18 SCSI Wonder 45 Single Ended SCSI 37 Software License Agr...

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