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Hitachi 9900 V Series Bedienungsanleitung

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Richtige Gebrauchsanleitung

Die Vorschriften verpflichten den Verkäufer zur Übertragung der Gebrauchsanleitung Hitachi 9900 V Series an den Erwerber, zusammen mit der Ware. Eine fehlende Anleitung oder falsche Informationen, die dem Verbraucher übertragen werden, bilden eine Grundlage für eine Reklamation aufgrund Unstimmigkeit des Geräts mit dem Vertrag. Rechtsmäßig lässt man das Anfügen einer Gebrauchsanleitung in anderer Form als Papierform zu, was letztens sehr oft genutzt wird, indem man eine grafische oder elektronische Anleitung von Hitachi 9900 V Series, sowie Anleitungsvideos für Nutzer beifügt. Die Bedingung ist, dass ihre Form leserlich und verständlich ist.

Was ist eine Gebrauchsanleitung?

Das Wort kommt vom lateinischen „instructio”, d.h. ordnen. Demnach kann man in der Anleitung Hitachi 9900 V Series die Beschreibung der Etappen der Vorgehensweisen finden. Das Ziel der Anleitung ist die Belehrung, Vereinfachung des Starts, der Nutzung des Geräts oder auch der Ausführung bestimmter Tätigkeiten. Die Anleitung ist eine Sammlung von Informationen über ein Gegenstand/eine Dienstleistung, ein Hinweis.

Leider widmen nicht viele Nutzer ihre Zeit der Gebrauchsanleitung Hitachi 9900 V Series. Eine gute Gebrauchsanleitung erlaubt nicht nur eine Reihe zusätzlicher Funktionen des gekauften Geräts kennenzulernen, sondern hilft dabei viele Fehler zu vermeiden.

Was sollte also eine ideale Gebrauchsanleitung beinhalten?

Die Gebrauchsanleitung Hitachi 9900 V Series sollte vor allem folgendes enthalten:
- Informationen über technische Daten des Geräts Hitachi 9900 V Series
- Den Namen des Produzenten und das Produktionsjahr des Geräts Hitachi 9900 V Series
- Grundsätze der Bedienung, Regulierung und Wartung des Geräts Hitachi 9900 V Series
- Sicherheitszeichen und Zertifikate, die die Übereinstimmung mit entsprechenden Normen bestätigen

Warum lesen wir keine Gebrauchsanleitungen?

Der Grund dafür ist die fehlende Zeit und die Sicherheit, was die bestimmten Funktionen der gekauften Geräte angeht. Leider ist das Anschließen und Starten von Hitachi 9900 V Series zu wenig. Eine Anleitung beinhaltet eine Reihe von Hinweisen bezüglich bestimmter Funktionen, Sicherheitsgrundsätze, Wartungsarten (sogar das, welche Mittel man benutzen sollte), eventueller Fehler von Hitachi 9900 V Series und Lösungsarten für Probleme, die während der Nutzung auftreten könnten. Immerhin kann man in der Gebrauchsanleitung die Kontaktnummer zum Service Hitachi finden, wenn die vorgeschlagenen Lösungen nicht wirksam sind. Aktuell erfreuen sich Anleitungen in Form von interessanten Animationen oder Videoanleitungen an Popularität, die den Nutzer besser ansprechen als eine Broschüre. Diese Art von Anleitung gibt garantiert, dass der Nutzer sich das ganze Video anschaut, ohne die spezifizierten und komplizierten technischen Beschreibungen von Hitachi 9900 V Series zu überspringen, wie es bei der Papierform passiert.

Warum sollte man Gebrauchsanleitungen lesen?

In der Gebrauchsanleitung finden wir vor allem die Antwort über den Bau sowie die Möglichkeiten des Geräts Hitachi 9900 V Series, über die Nutzung bestimmter Accessoires und eine Reihe von Informationen, die erlauben, jegliche Funktionen und Bequemlichkeiten zu nutzen.

Nach dem gelungenen Kauf des Geräts, sollte man einige Zeit für das Kennenlernen jedes Teils der Anleitung von Hitachi 9900 V Series widmen. Aktuell sind sie genau vorbereitet oder übersetzt, damit sie nicht nur verständlich für die Nutzer sind, aber auch ihre grundliegende Hilfs-Informations-Funktion erfüllen.

Inhaltsverzeichnis der Gebrauchsanleitungen

  • Seite 1

    PRELIMINARY RELEASE Hitachi Freedom Stora g e™ Lightning 9900™ V Series LUN Expansion and V irtual L VI/LUN User ’ s Guide[...]

  • Seite 2

    PRELIMINARY RELEASE[...]

  • Seite 3

    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide iii © 2002 Hitachi Data Systems Corporation, ALL RIGHTS RESERVED Notice : No pa rt of this publication may be reprodu ced or transmitted in any form or by any means, electronic or mec hanical, including ph otocopying and rec ording, or stored i[...]

  • Seite 4

    PRELIMINARY RELEASE iv Preface Trademarks Hitachi Data Systems is a r egistered trademark and service mark of Hitachi, L td. The Hitachi Data Systems design mark is a tr ademark and service mark of Hitachi, Ltd. Hi-Track is a registered se rvice mark of Hitachi Data Systems Corp oration. Graph-Track, Freedom Storage, Lightnin g 9900V are trademarks[...]

  • Seite 5

    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide v Notice of Export Controls Export of technical data contained in this document may require an export lic ense from the United States government and/or the govern ment of Japan. Contact the Hitachi Data Systems Legal Department for any export co[...]

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    PRELIMINARY RELEASE vi Preface[...]

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    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide vii Preface This Hitachi Freedom St orage™ Lightning 9900™ V Serie s LUN Expansion Virtual LVI/LU N User’s Guide provides instruction s for using these option s on the 9900V Remote Console, using the web client Java™ applet program for t[...]

  • Seite 8

    PRELIMINARY RELEASE viii Preface[...]

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    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide ix Contents Chapter 1 Overview of LUN Expansi on and Virtua l LVI/LUN ............................................................... 1 1.1 Overview of LUSE Operations ................................................................... 1 1.2 Ove[...]

  • Seite 10

    PRELIMINARY RELEASE x Contents List of Figures Figure 1.1 LUSE config uration ......................................................................... 3 Figure 1.2 Illustration of Virtual LVI/LUN Operations ............................................. 4 Figure 1.3 Volume Config uration .............................................................[...]

  • Seite 11

    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide xi List of T ables Table 1.1 LUSE Specif ications......................................................................... 2 Table 1.2 VLL LUSE Spec ifications ................................................................... 2 Table 1.3 Virtu[...]

  • Seite 12

    PRELIMINARY RELEASE xii Contents[...]

  • Seite 13

    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 1 Chapter 1 Overview of LUN Expansion and Vi rtual L VI/LUN 1.1 Overview of LUSE Operations LUSE operations allow hosts that can only use a limited amount of LUs per fibr e interface to have access to larger amounts of data usin g expanded LUs. [...]

  • Seite 14

    PRELIMINARY RELEASE 2 Chapter 1 Overview of LUN Expansion an d Virtual LVI/LUN Table 1.1 LUSE Specifications Parameter OPEN-8 OPEN-9 OPEN-E OPEN-L LU Capacity 7.3 GB 7.3 GB 14.5 GB 36.4 GB Possible number of expanded LUs 2 - 36 LUs 2 - 36 LUs 2 - 36 LUs 2 - 36 LUs Expanded LU Capacity 14.6 GB - 264.4 GB 14.7 GB - 265.8 GB 29.1 GB - 524.4 GB 72.9 GB[...]

  • Seite 15

    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 3 LDEV (1:00) LDEV (1:01) LDEV (1:03) LDEV (1:04) LDEV (1:05) LUSE (1:00) Host The host rec ognizes a set of LDEVs as one big LDEV . Figure 1.1 LUSE Configuration[...]

  • Seite 16

    PRELIMINARY RELEASE 4 Chapter 1 Overview of LUN Expansion an d Virtual LVI/LUN 1.2 Overview of Virtual LVI/LUN 1.2.1 Virtual LVI/LUN Parameters The Virtual LVI/LUN (VLL) option allows you to configure variable-s ize volumes, which are usually smaller than normal (fixed-size) vo lumes. Virtual LVI/LUN improves data access performance by reducing log[...]

  • Seite 17

    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 5 Note: Virtual LVI/LUN used in conjuncti on with F lashAccess ca n achiev e g reater p erforma nce improvements than when either of these opti ons is used individually. For more info rmation on FlashAccess, see Hitachi Freedom Sto rage™ Light[...]

  • Seite 18

    PRELIMINARY RELEASE 6 Chapter 1 Overview of LUN Expansion an d Virtual LVI/LUN A normal volume consists of a certain number of fixed volumes, depending on the emulation type, and some free space. A Virtual LVI/LUN vo lume usually consists of at least one fixed volume (FV), customized volumes (CV or VLL vo lumes), and free space (see Figure 1.3). FV[...]

  • Seite 19

    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 7 Table 1.3 lists the Virtual LVI/LUN specific ation s, and Table 1.4 lists the mini mum and maximum Virtual LVI/LUN volume cap acities for open systems. Each Virtual LVI/LUN volume has its own assigned unit control block (UCB), an d multiple LV[...]

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    PRELIMINARY RELEASE 8 Chapter 1 Overview of LUN Expansion an d Virtual LVI/LUN Table 1.4 Minimum and Maximum Virtu al LUN Volume Capacities (Open Systems) Setting size (MB) Actual Size (MB) Notes 35 35.15625 Minimum VLL vol ume capacity 500 500.625 1000 1000.546875 2000 2000.390625 2347 2347.0312 5 Maximum OPEN-3 volu me size 7007 7007.3437 5 Maxim[...]

  • Seite 21

    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 9 1.2.2 Virtual LVI/LUN Size Calculation The Virtual LVI/LUN Remote Console function en ables you to configur e LDEVs by dividi ng them into several devices. Virtual LVI/LUN allows you to assign a specif ic number of physical cylinders or MB to [...]

  • Seite 22

    PRELIMINARY RELEASE 10 Chapter 1 Overview of LUN Expansion an d Virtual LVI/LUN 1.2.3 SSID Requirements) The 9900V subsystem i s configured with one SSID for each of 256 devices and up to four SSIDs per CU image. Each SSID must be unique with in each host system. Table 1.6 shows the relationship between emulation types of controllers and SSIDs. Tab[...]

  • Seite 23

    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 11 Chapter 2 Preparing T o Use LUN Expansion or V irtual L VI/LUN 2.1 Set Up the 9900V Subsystem and Remote Console PC(s) Before launching LUN Expansion or Virt ual LVI/LU N, you must take several preliminary steps . For detailed instructions, p[...]

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    PRELIMINARY RELEASE 12 Chapter 2 Preparing to Use LUN Expansion or Virtual LVI/LUN Figure 2.1 Remote Console Main Panel, I nformation Tab[...]

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    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 13 2.3 Changing to Modify Mode If you are going to implement any changes for LUN Expansion or Virtual LVI /LUN, you must be in Modify mode. The subsystem inf ormation icons (see Figure 2.2) are on th e upper right corner of the Remote Console Ma[...]

  • Seite 26

    PRELIMINARY RELEASE 14 Chapter 2 Preparing to Use LUN Expansion or Virtual LVI/LUN Figure 2.2 View Mode Figure 2.3 Mode Changing Confir mation Message Figure 2.4 Modify Mode[...]

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    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 15 Chapter 3 LUN Expansion (LUSE) Operations 3.1 The LUSE/VLL Panel, LUSE Tab Components The LUN Expansion (LUSE)/Virtual LVI/LUN (VLL) button ( ) opens the LUSE/VLL panel. The LUSE tab is the default view (see Figure 3.1). Figure 3.1 LUSE/VLL M[...]

  • Seite 28

    PRELIMINARY RELEASE 16 Chapter 3 LUN Expansion (LUSE) Operations The LDEV Information outline (see Figure 3.2) is on the upper left of the panel. Figure 3.2 LDEV Information Ou tline Detail (From the LUSE/VLL Panel, LUSE Tab) LDEV Information outline display s an outline vi ew of the CU and LDEV numbers installed on the subsystem (e.g., CU 00 and h[...]

  • Seite 29

    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 17 The LDEV table is on the upper right corner of the LUSE tab, and displays data for the LDEV that you have selected in the LDEV Information outline. Figure 3.3 LDEV Detail Table (From the LUSE/VLL Panel, LUSE Tab) The LDEV Detail table display[...]

  • Seite 30

    PRELIMINARY RELEASE 18 Chapter 3 LUN Expansion (LUSE) Operations The LDEV Operation detail is on the lower right of the LUSE tab. Figure 3.4 LDEV Operation Detail (From the LUSE/VLL Panel, LUSE Tab) The LDEV Operation detail has the following features:  The Select a Free LDEV drop-down box lists the free LDEVs of the selected CU.  The Expande[...]

  • Seite 31

    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 19 3.2 LUSE Operations LUSE operations include the following:  Creating LUSE volumes (see section 3.2.1),  Releasing LUSE volumes (see sect ion 3.2.2), and  Changing LUSE capacitie s (see section 3.2.3). 3.2.1 Creating a LUSE Volume WAR[...]

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    PRELIMINARY RELEASE 20 Chapter 3 LUN Expansion (LUSE) Operations Figure 3.5 Set LUSE Confirmation Panel Figure 3.6 Apply Confirmation Message Figure 3.7 Cancel Confirmation Message[...]

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    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 21 3.2.1.2 Creating a LUSE Volu me From the LDEV Table 1. Change to Modi fy mode (refer to section 2.3 if you need instructions). Select the LUN Expansion (LUSE)/Virtual LVI/LUN (VLL) button ( ) to open the LUSE/VLL panel. The LUSE tab is the de[...]

  • Seite 34

    PRELIMINARY RELEASE 22 Chapter 3 LUN Expansion (LUSE) Operations Figure 3.8 Selecting Free LDEVs for LUSE Volume Figure 3.9 Set LUSE Volume Pop-Up Menu[...]

  • Seite 35

    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 23 3.2.2 Releasing a LUSE Volume WARNING: Releasing LUSE volumes is a destructive oper ation. Move and/or back up your data before proceeding. 1. Change to Modi fy mode (refer to section 2.3 if you need instructions). Select the LUN Expansion (L[...]

  • Seite 36

    PRELIMINARY RELEASE 24 Chapter 3 LUN Expansion (LUSE) Operations Figure 3.10 Selecting LUSE Volume(s) To Be Released Figure 3.11 Release LUSE Volume Pop-Up Menu[...]

  • Seite 37

    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 25 Figure 3.12 Release LUSE Confirmation Panel 3.2.3 Changing LUSE Capacities You may not change the capacity of an exist ing LUSE volume. If you want a LUSE volume to have a different capacity, you must release the LUSE volume (refer to section[...]

  • Seite 38

    PRELIMINARY RELEASE 26 Chapter 3 LUN Expansion (LUSE) Operations[...]

  • Seite 39

    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 27 Chapter 4 Vi rtual L VI/LUN (VLL) Operations 4.1 The Virtual LVI/LUN Panels 4.1.1 LUSE/VLL Panel, VLL Tab The LUN Expansion (LUSE)/Virtual LVI/LUN (VLL) button ( ) opens the LUSE/VLL panel. The LUSE tab is the default view. Select the VLL tab[...]

  • Seite 40

    PRELIMINARY RELEASE 28 Chapter 4 Virtual LVI/LUN Operations The Parity Group - LDEV outline (on the upper left of the VLL tab; see Figure 4.2) shows the hierarchical structure of the subsystem, inc luding a disk group number (e.g., Box 1), the parity group number (e.g., 1-1), the RAID level (e.g., 3D+1P), and the CU number (e.g., 1-1- (1). Figure 4[...]

  • Seite 41

    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 29 When you select a Control Unit in the Parity Group – LDEV outline, the LDEV Information table (on the upper right of the VLL tab; see Figure 4.3) displays informati on about the logical volumes in th at control unit.) Figure 4.3 LDEV Inform[...]

  • Seite 42

    PRELIMINARY RELEASE 30 Chapter 4 Virtual LVI/LUN Operations 4.1.2 Set SSID Panel Figure 4.4 Set SSID Panel[...]

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    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 31 The Set SSID panel has th e following features:  The SSID outline displays CU numbers (e.g., CU 00), SSID boundary areas (e.g., 00-3F), and SSID (e.g., 0004). ---- indicates a boundary area with no SSID indicates that the CU number is not [...]

  • Seite 44

    PRELIMINARY RELEASE 32 Chapter 4 Virtual LVI/LUN Operations 4.2 Virtual LVI/LUN Operations Before starting a VLL operation on a selected disk subsystem, be su re to disconnect the mainframe volume s from the host and/or remove the LU paths to the open volumes. For instructions on remo ving LU paths, see Hitachi Freedom Storage™ Lightning 9900™ [...]

  • Seite 45

    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 33 To convert a normal volume to free space: 1. Change to Modi fy mode (refer to section 2.3 if you need instructions). Select the LUN Expansion (LUSE)/Virtual LVI/LUN (VLL) button ( ) to open the LUSE/VLL panel. The LUSE tab is the default view[...]

  • Seite 46

    PRELIMINARY RELEASE 34 Chapter 4 Virtual LVI/LUN Operations Figure 4.5 Volume to Space Pop-Up Menu Figure 4.6 Volume to Space Confirmation Panel[...]

  • Seite 47

    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 35 4.2.2 Creating VLL volumes The Install VLL volume function allows you to define and install one or more Virtual LVI/LUN volumes under an existing volume. Note: The Install VLL volume Funct ion allocate s VLL volumes in the order in which the [...]

  • Seite 48

    PRELIMINARY RELEASE 36 Chapter 4 Virtual LVI/LUN Operations 5. After creating all of the VLL volum es y ou want to create, select the Next button to display the Install CV Panel (2) (see Figure 4.10), which will display the VLL volumes to be created in the table on the top. In this panel: a) Select one or more VLL vol ume numbers to which you want [...]

  • Seite 49

    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 37 Figure 4.7 Install CV Pop-Up Menu Figure 4.8 Install CV Panel (1) Figure 4.9 Clear Pop-Up Menu[...]

  • Seite 50

    PRELIMINARY RELEASE 38 Chapter 4 Virtual LVI/LUN Operations Figure 4.10 Install CV Panel (2) Figure 4.11 Set SSID Panel (Installing VLL Volumes )[...]

  • Seite 51

    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 39 Figure 4.12 Install CV Confirmation Panel[...]

  • Seite 52

    PRELIMINARY RELEASE 40 Chapter 4 Virtual LVI/LUN Operations 4.2.3 Deleting a VLL volume To delete an individual Virtual LVI/LUN volum e within an LDEV or parity group, use the volume to space operation (refer to se ction 4.2.1). To convert a Virtual LVI/LUN volume to a norm al volume, you mu st initialize the volume (see section 4.2.4). 4.2.4 Initi[...]

  • Seite 53

    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 41  To initialize a VLL volume: 1. Change to Modi fy mode (refer to section 2.3 if you need instructions). Select the LUN Expansion (LUSE)/Virtual LVI/LUN (VLL) button ( ) to open the LUSE/VLL panel. The LUSE tab is the default view (refer to[...]

  • Seite 54

    PRELIMINARY RELEASE 42 Chapter 4 Virtual LVI/LUN Operations 9. You will be returned to the VLL tab. The change is not yet implemented in the subsystem, but the following changes will appear in the VLL tab: a) The figures in the Capacity column will not yet be updated. b) The color of the CU icon that you manip ulated in the Parity Group - LDEV outl[...]

  • Seite 55

    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 43 Figure 4.14 Volume Initialize Panel Figure 4.15 Clear Pop-Up Menu[...]

  • Seite 56

    PRELIMINARY RELEASE 44 Chapter 4 Virtual LVI/LUN Operations Figure 4.16 Set SSID Panel (Volume Initialize) Figure 4.17 Volume Initialize Confirmation Panel[...]

  • Seite 57

    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 45 Chapter 5 T roubleshooting 5.1 Troubleshooting For troubleshooting inf ormation on the 9900V subsystem, please refer to the Hitachi Freedom Storage™ Lightning 9900™ V Series User and Refe rence Guide (MK-92RD100). For information on the 9[...]

  • Seite 58

    PRELIMINARY RELEASE 46 Chapter 5 Troubleshooting Table 5.1 General Error Conditions Error Condition Probable Cause / Recommended Action The Remote Console experiences an error. Save the Java™ log f ile on the Remote Co nsole, and report to the Hitach i Data Systems Technica l Support Center. For Windows ® 2000, the J ava™ log file is in the fo[...]

  • Seite 59

    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 47 5.2 Calling the Hitachi Data S ystems Technical Support Center If you need to call the Hitachi Data Systems Te chnical Support Center, be sure to provide as much information about t he problem as possible. Include the cir cumstances surroundi[...]

  • Seite 60

    PRELIMINARY RELEASE 48 Chapter 5 Troubleshooting[...]

  • Seite 61

    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 49 Glossary , Acronyms, and Abbreviations Command Control Interface (CCI) System administrators ca n enter Command Control Interface (CCI) commands from open-system hosts to perform Hit achi TrueCopy and ShadowImage operation s on logical device[...]

  • Seite 62

    PRELIMINARY RELEASE 50 Glossary, Acronyms and Abbreviations kB kilobyte(s) LAN local-area network LBA logical block address LDEV logical device. An LDEV used by mainframe hosts can be called a device, logical volume image (LVI) or a volum e. An LDEV used by open-system hosts is called a logical unit (LU). LU An LDEV used by open-system host s is ca[...]

  • Seite 63

    PRELIMINARY RELEASE Hitachi Lightning 9900™ V Series LUN Expa nsion and Virtual LVI/LUN User’s Guide 51 copy operations between 9900V subsyste ms in dif ferent locations for data backup and disaster recovery purposes. UCB unit control block User account list The user account list includes user in formation suc h as user ID, password, and write [...]

  • Seite 64

    PRELIMINARY RELEASE 52 Glossary, Acronyms and Abbreviations[...]