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HP 2120 User Manual

Hp storageworks disk system 2120 users guide (5697-5367, march 2005)
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HP StorageWorks

Disk System 2120

User's Guide
Edition E0305
Order No. 5697-5367
Printed in U.S.A.

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Summary of Contents for HP 2120

  • Page 1: Disk System

    HP StorageWorks Disk System 2120 User’s Guide Edition E0305 Order No. 5697-5367 Printed in U.S.A.

  • Page 2: Safety Notices

    Components bearing this symbol are ited to, the implied warranties of merchantability and fit- susceptible to damage by static electricity. ness for a particular purpose. Hewlett-Packard shall not ESD precautions are required. be liable for errors contained herein or for incidental or...

  • Page 3: Table Of Contents

    Table of Contents Overview ..........7 Components of the Disk System .
  • Page 4 Table of Contents A. FCC Notice for United States ..........36 B.
  • Page 5 List of Figures Figure 1 Disk Module LEDs ............8 Figure 2 System Power LED.
  • Page 6 Table 10 Upgrade Products for Hewlett-Packard Systems ........

  • Page 7: Overview

    HP StorageWorks Disk System 2120 Overview The HP StorageWorks Disk System 2120 is a 1-EIA unit disk systems capable of accommodating up to four disk modules. It is designed to provide inexpensive, high performance rack-optimized online mass storage for entry-level configurations in three distinct markets: (1) HP servers/workstations, (2) open systems JBODs, and (3) open systems IDACs (Internal Disk Array Controller).

  • Page 8: Components Of The Disk System

    HP StorageWorks Disk System 2120 Components of the Disk System Front Panel The disk modules can be accessed from the front of the disk system. It can accept up to 4 low profile disk drives. If your storage system contains less than 4 disk modules, the remaining empty slots contain filler panels.

  • Page 9: Rear Panel

    HP StorageWorks Disk System 2120 System Power LED FIGURE 2 System Power LED System Power LED Activity Definitions TABLE 2 LED Activity Indication Blinking Malfunction - either a fan is not operating properly or internal voltage is too low. On solid Disk system is operating properly.

  • Page 10: Scsi Id Switch

    HP StorageWorks Disk System 2120 SCSI ID Switch The SCSI ID switch sets the address for the disk drives. There are three possible settings for the SCSI address switch: A, B, and C. Each setting assigns a different set of addresses to the disk modules installed in the disk system.

  • Page 11: Power Connector

    HP StorageWorks Disk System 2120 Power Connector AC Power Connector Location FIGURE 6 Power Connector Electrical Requirements AC Site Requirements Overcurrent protection devices are required for each cabinet where the disk system is installed. They must be positioned between the power source and the disk system.

  • Page 12: Installing The Disk System

    HP StorageWorks Disk System 2120 Installing the Disk System Hardware Requirements The following hardware is included with the disk system: One power cord comes with each disk system. Your host computer must have one of the following: An on board LVD SCSI port An LVD SCSI host bus adapter board installed in the host system such as A7173A, A6828A, A6829A, A5865A, A7059A, or A7060A.

  • Page 13: Setting The Scsi Ids For The Disk Modules

    HP StorageWorks Disk System 2120 Setting the SCSI IDs for the Disk Modules Determine which SCSI addresses are not being used on the host system. Refer to your system administration manual for information on determining which SCSI addresses are available on the host system.

  • Page 14: Installing The Disk System

    HP StorageWorks Disk System 2120 Keep in mind that the host bus adapter should have the highest SCSI address priority. See Table 5 below. SCSI Address Priority TABLE 5 SCSI ID 7 Priority Highest Lowest Installing the Disk System See the installation instructions enclosed with your rackmount kit.
  • Page 15 HP StorageWorks Disk System 2120 Determine if this disk system is at the beginning or end of the SCSI bus. – If the disk system is at the end of the SCSI bus (you are not going to daisy-chain another device off this one), install the appropriate terminator (part number 5183-2657) on the available SCSI port and go to “Connecting the Power Cable”...

  • Page 16: Connecting The Power Cable

    HP StorageWorks Disk System 2120 Connecting the Power Cable Ensure that the connection of multiple units to the supply circuit does not CAUTION overload the supply overcurrent protection or the supply wiring. Refer to the storage electrical ratings when determining the correct branch circuit rating for your installation.

  • Page 17: Power Off The Disk System

    HP StorageWorks Disk System 2120 Power Off the Disk System Back up all data if the disk system is still operational. Ensure that no data on disk modules within the disk system is being accessed. Unmount any file systems associated with the disk system that is going to be powered off.

  • Page 18: Adding Disk Modules

    HP StorageWorks Disk System 2120 Adding Disk Modules Disk modules can be added, removed, and replaced while the disk system is running. Because the disk modules can be handled in this way, they are called hot-pluggable. The SCSI addresses for the disks are set using the addressing switches on the back of the disk system.

  • Page 19: Configure The New Disk Module

    HP StorageWorks Disk System 2120 Installing a Disk Module FIGURE 11 Configure the new Disk Module Configure a new disk module within your application. These procedures should be performed only by qualified system CAUTION administrator. Performing hot-plug operations on an active disk drive can result in data loss or corruption.

  • Page 20: Replace A Disk Module

    HP StorageWorks Disk System 2120 Prepare the software environment to remove the drive. See your operating system documentation for instructions and procedures required to remove a disk module. It may be necessary to unmount file systems associated with the disk drives installed in the disk system.

  • Page 21: Remove The Disk System

    Reverse the installation instructions enclosed with the rackmount kit for your cabinet: A7552A - Hewlett-Packard Rack Systems/E for Enterprise Systems A5680A - all other Hewlett-Packard rack systems for Enterprise Systems purchased before November 1998. If your disk system is a factory-integrated unit, see the figure below for removal instructions.

  • Page 22: Setting Up The Hardware Event Monitor (Hp-Ux Only)

    HP StorageWorks Disk System 2120 Setting Up the Hardware Event Monitor (HP-UX Only) Hardware event monitors run on HP-UX hosts, versions 10.20 and later. The Disk Monitor (disk_em) monitors all disks bound to sdisk drivers. Consequently, if the Disk Monitor is active on your host, it is already set up to monitor the disks of a new disk system.

  • Page 23: Event Notification (Hp-Ux Only)

    HP StorageWorks Disk System 2120 Event Notification (HP-UX Only) The Disk Monitor, an EMS hardware event monitor, reports changes in disk status. Depending on how the monitor is set up, it sends messages to the console, an e-mail address, a log file, or a third-party application. These messages give early notice of a disk problem.
  • Page 24 HP StorageWorks Disk System 2120 Sample Hardware Event Notification FIGURE 13 Notification Time: Wed Feb 3 11:27:15 1999 yourserver sent Event Monitor notification information: /storage/events/disks/default/10_4_4_0.0 is >=1. Its current value is CRITICAL(5) Event data from monitor: Event Time: Wed Feb 3 11:27:15 1999 Hostname: yourserver.rose.hp.com...

  • Page 25: Status Leds

    HP StorageWorks Disk System 2120 Status LEDs LEDs indicate the status of the disk system itself and each of the disk modules. A green system LED is visible on the front of the disk system. It shows that a fault has occurred or that power is on.

  • Page 26: View Disk Status

    HP StorageWorks Disk System 2120 View Disk Status HP-UX and MPE/iX utilities provide descriptive and diagnostic information about disks, including disk type, firmware revision, and errors. On HP-UX and MPE/iX 6.5 or later, the disk utility is Support Tools Manager (STM). For all other operating systems, consult the appropriate system administration manual for disk module status checking procedures.
  • Page 27 HP StorageWorks Disk System 2120 Sample STM Information Log (HP-UX) FIGURE 15...

  • Page 28: Stm Disk Information: Mpe/Ix 6.5 Or Later

    HP StorageWorks Disk System 2120 STM Disk Information: MPE/iX 6.5 or Later STM displays the last-generated Information Log for a selected disk. Start STM and run the Information tool as follows. Log on the system. At the system prompt (:), type vsclose <physical volume number>. This removes the disk from use.
  • Page 29 HP StorageWorks Disk System 2120 Sample STM Expert Tool Disk Error Log (MPE/iX 6.5 or Later) FIGURE 16 Write Error Statistics Errors Corrected Without Delay: Errors Corrected With Delay: Total Retries: Total Errors Corrected: Correction Algorithm Executions: 0 Total Bytes Processed: 6.3253e+10...

  • Page 30: Isolating Faults

    Erratic LED behavior on the disk system could be observed in the following situations: When a server that is connected to a Disk System 2120 is powered down or loses power (and the disk system remains powered on) When the disk system is powered up when connected to a downed server When an unconnected disk system is powered up An example of this LED behavior is the LEDs staying lit solidly.
  • Page 31 HP StorageWorks Disk System 2120 Problem Description State Probable Cause Solution ioscan (HP- Disk Disk module is faulty. Replace the disk UX) lists disk module module. as NO_HW, LED is on Enclosure is faulty. Replace the enclosure or Mapper or solid or off chassis.

  • Page 32: Reference Information

    When ordering disk modules for a product, specify Option OD1 to install the module in the product before it ships from the factory. For example, to order a desktop Disk System 2120 with one 146-GB, 10,000 rpm disk module, request the following: Product Number Qty.

  • Page 33: Upgrade Disk Products Available

    Upgrade Products for Hewlett-Packard Systems TABLE 10 Product Number Description A4999A Single Port Ultra2 SCSI Host Bus Adapter for Hewlett-Packard Workstations A7531A Deskside Pedestal Kit A7552A Rail kit for the Rittal Style Rack Systems and HP Rack Systems/E A5856A...
  • Page 34 HP StorageWorks Disk System 2120 Replaceable Parts TABLE 11 Product Replaceable Number Description Part Numbers A7372A DS2120 Base Disk System Assembly A7382-69001 A6198A Disk Filler Panel A6198-67002 36-GB 15,000 rpm HDD U320 disk mod. A9896-69001 A7527A 73-GB 10,000 rpm HDD U320 disk mod.

  • Page 35: Specifications

    HP StorageWorks Disk System 2120 Specifications Physical Dimensions TABLE 13 Measure Metric English Width 44.85 cm 17.65 in Depth 37.60 cm 14.8 in Height 4.32 cm 1.7 in Weight without disk modules 4.99 kg 11.0 lbs Weight fully loaded 8.21 kg 18.1 lbs...

  • Page 36: Operating Temperatures

    If the storage system is installed in a multi-unit rack assembly, the operating ambient temperature of the rack environment may exceed room ambient temperature. For the Disk System 2120 the rack environment ambient temperature cannot exceed 40° Celsius (104° Fahrenheit).

  • Page 37: B. Canadian Notice (Avis Canadien)

    Hewlett-Packard shielded cables, such as those you received with your storage product. Changes or modifications not expressly approved by Hewlett-Packard could void the user’s authority to operate the equipment. Cables used with this device must be properly shielded to comply with the requirements of the FCC.

  • Page 38: Product Web Site

    Am Arbeitsplatz (operator position) Normaler Betrieb (normal operation) Nach ISO 7779:1999 (Typprüfung) Product Web Site For the most current information about the HP StorageWorks Disk System 2120, visit the support Web site located at http://www.hp.com/support. Related Documents The following resources contain information on using the system software interfaces...

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