HP ESL E - Manuals

About this Guide 8 ESL E-Series Tape Library User’s Guide Related documentation In addition to this guide, HP provides corresponding information: ■ HP StorageWorks ESL E-Series Tape Library Site Survey ■ HP StorageWorks ESL E-Series Unpacking and Installation Guide ■ HP StorageWorks ESL E-Series Tap...

About this Guide ESL E-Series Tape Library User’s Guide 9 Conventions Conventions consist of the following: ■ Document conventions ■ Text symbols ■ Equipment symbols Document conventions This document follows the conventions in Table 1 . Text symbols The following symbols may be found in the text of...

About this Guide 10 ESL E-Series Tape Library User’s Guide Tip: Text in a tip provides additional help to readers by providing nonessential or optional techniques, procedures, or shortcuts. Note: Text set off in this manner presents commentary, sidelights, or interesting points of information. Equip...

About this Guide 12 ESL E-Series Tape Library User’s Guide Rack stability Rack stability protects personnel and equipment. WARNING: To reduce the risk of personal injury or damage to the equipment, be sure that: ■ The leveling jacks are extended to the floor. ■ The full weight of the rack rests on t...

About this Guide ESL E-Series Tape Library User’s Guide 13 Getting help If you still have a question after reading this guide, contact an HP authorized service provider or access our ESL E-series web site: http://www.hp.com/support/esle . HP technical support Telephone numbers for worldwide technica...

15 ESL E-Series Tape Library User’s Guide 1 Library Overview This chapter describes both the ESL E-Series tape library and its components. The chapter consists of: ■ Library components , page 16 ■ Library storage locations and slot numbering , page 35

Library Overview 16 ESL E-Series Tape Library User’s Guide Library components The ESL E-Series tape library consists of the following major components: ■ Library cabinet , page 16 ■ Operator control panel (OCP) , page 19 ■ Library robotics , page 21 ■ Tape drives , page 22 ■ Load ports and magazines...

Library Overview 18 ESL E-Series Tape Library User’s Guide Back panel The back of the library cabinet (see Figure 2 ) provides easy access to: ■ Cooling fans ■ Power, control, and data interfaces ■ Tape drives ■ Tape drive communication (cluster controller card and Interface Manager card) ■ Card cag...

Library Overview 19 ESL E-Series Tape Library User’s Guide Operator control panel (OCP) The OCP features a menu system for determining library status, configuring the library, and performing certain diagnostic functions (see Figure 3 ). Figure 3: OCP initial screen 1 OCP buttons 2 Green LED 1 2

Library Overview 20 ESL E-Series Tape Library User’s Guide The OCP consists of the following features (see Table 2 ): Table 2: OCP features Note: You can also perform diagnostics using HP StorageWorks Library and Tape Tools (L&TT), available from http://www.hp.com/support/tapetools . Additionall...

Library Overview 21 ESL E-Series Tape Library User’s Guide Library robotics The library robotics consists of the main components identified in Figure 4 . Figure 4: Library robotics The vertical and horizontal motors move the library robotics into position to pick and place tape cartridges, and rotat...

Library Overview 22 ESL E-Series Tape Library User’s Guide Although the library does not require tape cartridges to have bar code labels, properly labeled tape cartridges and full storage bins speed up the inventory process and greatly improved media management. Tape drives The ESL E-Series tape lib...

Library Overview 23 ESL E-Series Tape Library User’s Guide Ultrium 460 and 460-FC tape drives The Ultrium tape drive is a high-performance streaming tape drive that uses Linear Tape-Open (LTO) technology. An Ultrium 460 or 460-FC tape drive is capable of storing up to 200 GB (native) of data per car...

Library Overview 24 ESL E-Series Tape Library User’s Guide Approved media has the Ultrium format trademark, which indicates the media has passed Ultrium format compliance testing (see Figure 5 ). Figure 5: HP Ultrium format trademark For best results, always use HP branded media and bar code labels....

Library Overview 25 ESL E-Series Tape Library User’s Guide Caution: Always discard damaged tape cartridges. If a defective tape cartridge is loaded into a tape drive, it may damage the drive, potentially requiring drive replacement. Note: For information on ordering tape cartridges and bar code labe...

Library Overview 26 ESL E-Series Tape Library User’s Guide Make it a practice to visually inspect your tape cartridges when loading or removing them from your tape library. Taking a few minutes to check the condition of your cartridges will lower the risk of repeated failures and help ensure uninter...

Library Overview 28 ESL E-Series Tape Library User’s Guide Card cage and controllers The library card cage The library card cage is located in the top of the library cabinet, above cluster 0. It houses up to six FC interface controllers (e2400-160) or native FC interface controllers (e2400-FC 2G), t...

Library Overview 29 ESL E-Series Tape Library User’s Guide Note: For information on installing the HP StorageWorks e2400-160 FC and e2400-FC 2G interface controllers, refer to the HP StorageWorks ESL E-Series Unpacking and Installation Guide , or the documentation that shipped with the interface con...

Library Overview 30 ESL E-Series Tape Library User’s Guide Reset button To force a manual reboot of the FC interface controller, use the reset button (see Figure 8 and Figure 9 ). Press the button with a pen or other small object. You can also select the Reboot menu option in the Command View ESL, a...

Library Overview 31 ESL E-Series Tape Library User’s Guide External FC ports Two FC ports (for external connections) with LED indicators are found on the interface controller: Port F0 and Port F1. See Figure 8 and Figure 9 for the location of the FC ports. ■ Green (ACT) - FC port activity ■ Green (L...

Library Overview 32 ESL E-Series Tape Library User’s Guide See Figure 10 for an illustration of this process. Figure 10: LAN-free backup and restore Interface Manager card The HP StorageWorks Interface Manager is a management card designed to consolidate and simplify the management of multiple FC in...

Library Overview 34 ESL E-Series Tape Library User’s Guide Note: For information on using the Command View ESL software, see the HP StorageWorks Interface Manager and Command View ESL User Guide that shipped with your library or visit http://www.hp.com/support/cvesl . Any client machine on the LAN c...

Library Overview 35 ESL E-Series Tape Library User’s Guide Library storage locations and slot numbering The HP StorageWorks ESL E-Series tape library is an automated tape storage and retrieval library that may consist of up to 24 tape drives and up to 718 Ultrium 460 tape cartridges, or 636 SDLT 320...

Library Overview 38 ESL E-Series Tape Library User’s Guide Figure 15 shows the right panel bins. Begin with panel 4 and load top to bottom and left to right. Continue with panel 5 in the same manner, and finally, panel 6. Figure 15: Bin shelf numbering, right panels 1 Panel 4 2 Panel 5 3 Panel 6 1 2...

Library Overview 39 ESL E-Series Tape Library User’s Guide Figure 16 shows the back panel bins. Each column has seven slots. Begin at the top, with the panel corresponding to cluster 0, and load top to bottom and left to right. Continue loading each sequential cluster, top to bottom and left to righ...

Library Overview 40 ESL E-Series Tape Library User’s Guide Model 712e Storage capacity in Ultrium libraries is as shown in Table 3 . Note: If the load ports are configured, those slots cannot be used as data slots. Table 3: Ultrium library storage elements Number of drives Load ports used Load port ...

Library Overview 41 ESL E-Series Tape Library User’s Guide Model 630e Storage capacity in the SDLT library is as shown in Table 4 . Note: If the load ports are configured, those slots cannot be used as data slots. Table 4: SDLT library storage elements Number of drives Load ports used Load port capa...

43 ESL E-Series Tape Library User’s Guide 2 Library Operations This chapter describes the following basic library operating procedures: ■ Taking ESD precautions , page 44 ■ Preparing tape cartridges , page 49 ■ Inserting tape cartridges , page 55 ■ Closing the cabinet doors and access panels , page ...

Library Operations 44 ESL E-Series Tape Library User’s Guide Taking ESD precautions Components within the library contain static-sensitive parts. To prevent damage to these parts while performing installation, maintenance, or replacement procedures, observe the following precautions: ■ Keep the cabi...

Library Operations 45 ESL E-Series Tape Library User’s Guide Dieses Produkt kann ausschließlich mit einem von HP für Ihre Region zugelassenen Netzkabel verwendet werden. Die Verwendung eines nicht von HP zugelassenen Netzkabels kann folgende Konsequenzen haben: 1) Nichteinhaltung der nationalen Sich...

Library Operations 49 ESL E-Series Tape Library User’s Guide Preparing tape cartridges Caution: Handle tape cartridges with care. Do not drop or mishandle them, or place them near sources of electromagnetic interference. Rough handling can damage the cartridge, making it unusable and potentially haz...

Library Operations 50 ESL E-Series Tape Library User’s Guide Ultrium bar code labels Ultrium cartridges have a recessed area located on the face of the cartridge next to the write-protect switch. Use this area for attaching the adhesive-backed bar code label (see Figure 17 ). Do not apply labels ont...

Library Operations 51 ESL E-Series Tape Library User’s Guide For successful operation of your tape library, place the bar code label entirely within the recessed area, ensuring that no part of the label is outside of it (see Figure 18 ). Figure 18: Proper Ultrium bar code label placement SDLT bar co...

Library Operations 52 ESL E-Series Tape Library User’s Guide Figure 19: Inserting an SDLT bar code label Media label identifiers Be sure to use the proper bar code labels for your drive technology. Table 5 lists the identifier that is found at the end of 7- or 8-character SDLT and Ultrium bar code l...

Library Operations 53 ESL E-Series Tape Library User’s Guide Setting the write-protect switch Each tape cartridge has a sliding write-protect switch. This switch determines whether new data can be written to the tape cartridge (write-enabled) or whether data on the tape cartridge is protected from b...

Library Operations 54 ESL E-Series Tape Library User’s Guide Write-protecting SDLT tape cartridges By moving the switch to the left ( Figure 21 ), the tape cartridge is write-protected (orange indicator is visible). By moving the switch to the right, the tape cartridge is write-enabled (orange indic...

Library Operations 55 ESL E-Series Tape Library User’s Guide Inserting tape cartridges Load tape cartridges into the library starting with the left side panels, then the right side panels, and finally the back panel (see “ Library storage locations and slot numbering ” on page 35 for detailed instal...

Library Operations 56 ESL E-Series Tape Library User’s Guide Closing the cabinet doors and access panels The library has one front door and one back door. 1. Close and lock the front door using the key provided in the accessory kit (see Figure 22 ). Note: The laptop tray must be lowered to access th...

Library Operations 58 ESL E-Series Tape Library User’s Guide Powering the library on and off This section explains: ■ Powering on the library , page 58 ■ Placing the library on-line or off-line , page 58 ■ Powering off the library , page 59 Powering on the library To power on the library: 1. Open th...

Library Operations 59 ESL E-Series Tape Library User’s Guide Powering off the library To power off the library: 1. Place the library off-line, see “ Placing the library on-line or off-line ” on page 58. The library robotics completes any current commands and then stops. 2. Verify that the OCP displa...

Library Operations 60 ESL E-Series Tape Library User’s Guide Using the OCP The OCP is located on the front of the library. The menus on the OCP allow you to obtain information about the library, execute library commands, and test library functions. Before using the OCP to perform library functions, ...

Library Operations 61 ESL E-Series Tape Library User’s Guide OCP components The OCP allows you to perform various functions on the library. Table 6 provides a list of the OCP functionality available from the Home screen (see Figure 24 ). Table 6: OCP components Note: The Stop button located in the b...

Library Operations 62 ESL E-Series Tape Library User’s Guide ■ Diagnostics screen , page 70 ■ Stop button , page 72 Menu screen The Menu screen provides access to contact and cabinet information, as well as providing a way to setup library information. To access the Menu screen, press Menu from the ...

Library Operations 64 ESL E-Series Tape Library User’s Guide Viewing cabinet information To view library cabinet information: 1. From the Menu screen, use the up and down arrows to highlight Cabinet, then press Select to display the Cabinet screen (see Figure 27 ): Figure 27: Cabinet screen The Cabi...

Library Operations 65 ESL E-Series Tape Library User’s Guide Viewing and editing setup information To view or edit the setup information: 1. From the Menu screen, use the up and down arrows to highlight Setup , then press Select . 2. The library prompts you for your password. Enter the 6-digit passw...

Library Operations 67 ESL E-Series Tape Library User’s Guide 4. When you are finished viewing/editing the setup information, press Back to return to the Menu screen. Note: Setting the IP address requires one additional step. After pressing Select , power down from the Menu screen. Load Ports screen ...

Library Operations 70 ESL E-Series Tape Library User’s Guide Diagnostics screen The Diagnostics screen allows you to perform the following diagnostic tests on the library (see Table 7 ). Note: The library must be off-line to run diagnostic testing. The Sequential Slot Test, Sequential Drive Test, Ra...

Library Operations 71 ESL E-Series Tape Library User’s Guide For example, if a library has 25 full slots and a sequential slot test is set to run 50 times, the library will test slots 1-25, then begin at 1 again and test through 25. If you set the same library to run the sequential slot test 60 time...

Library Operations 72 ESL E-Series Tape Library User’s Guide 3. If you did not take the library off-line, the OCP displays a notification (see Figure 32 ). Figure 32: Diagnostics confirmation remaining offline 4. Select NO to take the library off-line, then run the test. The diagnostic test executes...

Library Operations 73 ESL E-Series Tape Library User’s Guide Inserting tape cartridges into the load port Tape cartridges are inserted into either an 18-cartridge magazine for Ultrium, or a 16-cartridge magazine for SDLT as shown in Figure 6 on page 27. To insert a tape cartridge into a magazine: 1....

75 ESL E-Series Tape Library User’s Guide 3 Maintenance and Troubleshooting This chapter describes problems you may encounter during the setup and operation of the library. Corrective information is provided to help you resolve the problems: ■ Start-up problems , page 76 ■ OCP problems , page 77 ■ R...

Maintenance and Troubleshooting 76 ESL E-Series Tape Library User’s Guide Start-up problems Table 8 describes corrective actions for problems which occur during start-up. Table 8: Start-up problems Problem Corrective Action The library does not power on. Verify that: ■ The power cord is connected to...

Maintenance and Troubleshooting 77 ESL E-Series Tape Library User’s Guide OCP problems Table 9 describes corrective actions for OCP problems. Table 9: OCP problems Problem Corrective Action The OCP is blank. ■ Confirm that power is on. ■ Use Command View ESL software or the Interface Manager’s comma...

Maintenance and Troubleshooting 78 ESL E-Series Tape Library User’s Guide Robotics problems Table 10 describes corrective actions for robotics problems. Table 10: Robotics problems Problem Corrective Action The robot does not move at power on. ■ Make sure all internal packing materials (foam pads, t...

Maintenance and Troubleshooting 80 ESL E-Series Tape Library User’s Guide Operating problems Table 11 describes the corrective action for problems that occur during library operation. Table 11: Problems during library operation Problem Corrective Action The host computer cannot communicate with the ...

Maintenance and Troubleshooting 82 ESL E-Series Tape Library User’s Guide Tape drive problems Table 12 describes the corrective action for problems with the tape drives. Table 12: Tape drive problems Problem Corrective Action The library is unable to communicate with a drive. This is indicated by a ...

Maintenance and Troubleshooting 83 ESL E-Series Tape Library User’s Guide Interface Manager card problems Table 13 and Table 14 describe the status and network LEDs for the Interface Manager card. Table 13: Status LED diagnostic codes Red LED Green LED Description On Off BIOS code failed to run. Bli...

Maintenance and Troubleshooting 84 ESL E-Series Tape Library User’s Guide Table 15 describes common symptoms relating to the Interface Manager card and how to resolve them. Table 15: Common Interface Manager issues Symptom Possible Cause Solution Command View ESL server does not detect the Interface...

Maintenance and Troubleshooting 88 ESL E-Series Tape Library User’s Guide FC interface controller problems Most problems occur during the initial installation of the interface controller. Before proceeding with advanced troubleshooting techniques, verify all connections and review the configuration....

Maintenance and Troubleshooting 89 ESL E-Series Tape Library User’s Guide See Figure 34 for LED locations and functions on the e2400-FC 2G interface controller. Figure 34: e2400-FC 2G interface controller illustration Basic troubleshooting Simplify the installation by reducing it to the most basic c...

Maintenance and Troubleshooting 90 ESL E-Series Tape Library User’s Guide Verifying SCSI bus configuration Items to check include: ■ Termination — Problems with termination can cause intermittent or hard failures. A SCSI bus must be terminated on both ends. Termination problems are common when both ...

Maintenance and Troubleshooting 91 ESL E-Series Tape Library User’s Guide Note: By default, the FC port speed is set to 2 Gb/s. Changes to the FC port speed must be manually set, such as for 1 Gb/s. If set incorrectly and the FC interface controller is plugged into a Loop or Fabric, the unit may rec...

Maintenance and Troubleshooting 92 ESL E-Series Tape Library User’s Guide Verifying the host configuration In some cases, the FC HBA or host device driver may not be working properly. Check the configuration of these elements. It may be useful to check the release notes for the device driver to see ...

Maintenance and Troubleshooting 93 ESL E-Series Tape Library User’s Guide Maintaining tape cartridges Note: In addition to the information provided in this manual, access the HP StorageWorks SDLT Tape Drive Reference Guide, and the HP StorageWorks Ultrium Tape Drive User’s Guide from http://www.hp.c...

Maintenance and Troubleshooting 95 ESL E-Series Tape Library User’s Guide Cleaning tape drives Use the guidelines in the following sections to clean your tape drives. Cleaning SDLT tape drives Be aware of the following: ■ Under normal conditions, the cleaning cartridge is effective for about 20 clea...

Maintenance and Troubleshooting 96 ESL E-Series Tape Library User’s Guide Caution: Only use HP Ultrium Universal Cleaning Cartridges in Ultrium 460 or 460-FC tape drives. ■ If the cleaning cartridge is ejected immediately, then it has expired or is not an Ultrium cleaning cartridge. Discard it and u...

97 ESL E-Series Tape Library User’s Guide A Library Characteristics This appendix lists characteristics and specifications of the library. These characteristics and specifications are categorized as follows: ■ Physical specifications and requirements , page 98 ■ Performance and reliability character...

Library Characteristics 99 ESL E-Series Tape Library User’s Guide Performance and reliability characteristics Table 19 and Table 20 list performance and reliability characteristics of the library. Table 19: Performance characteristics Table 20: Reliability characteristics Note: Tape drive and media ...

Library Characteristics 100 ESL E-Series Tape Library User’s Guide Environmental specifications Table 21 provides various library environmental specifications. Table 21: Environmental specifications Power Environment Electrical inputs Voltage 200 VAC to 240 VAC Rated Frequency 50/60 Hz Rated Current...

103 ESL E-Series Tape Library User’s Guide B Relocating the Library Caution: HP strongly recommends that an HP authorized service representative relocate a library to another location. This appendix explains how to relocate the library. As used in this appendix, the term relocate means either to shi...

Relocating the Library 105 ESL E-Series Tape Library User’s Guide Preparing the library for relocation To prepare the library for relocation: ■ Removing tape cartridges , page 105 ■ Installing shipping restraints and packing , page 106 ■ Disconnecting library cables , page 113 Caution: Always prepar...

Relocating the Library 106 ESL E-Series Tape Library User’s Guide Installing shipping restraints and packing To install internal shipping restraints: 1. Remove the six panel shipping restraints (three sets on each side) from their storage location on the lower cabinet frame (see Figure 35 ). Figure ...

Relocating the Library 108 ESL E-Series Tape Library User’s Guide 3. Remove the robot shipping restraints from their storage location under the left cartridge bin panel (see Figure 37 ). Figure 37: Shipping restraints - storage location 4. If the picker is not in the far right position, gently move ...

Relocating the Library 109 ESL E-Series Tape Library User’s Guide 5. Install the robotic shipping restraints (see Figure 38 ). Figure 38: Installing the robotic shipping restraint Robot Vertical axis shipping restraint shipping restraint

Relocating the Library 111 ESL E-Series Tape Library User’s Guide 7. Locate the two sheet metal pieces that form the internal library frame restraint and insert them as shown in Figure 40 . Figure 40: Installing the internal library frame restraint 8. Attach the two pieces together using four 1/4-in...

Relocating the Library 112 ESL E-Series Tape Library User’s Guide 10. From the front of the library, add the foam to the Y-axis cover plate, to the left front door, and also to the back door frame (see Figure 41 ). Figure 41: Adding the shipping foam inside the library Foam Foam (Back of library) (F...

Relocating the Library 113 ESL E-Series Tape Library User’s Guide 11. Close the library doors and add shipping foam to the bottom of the library perimeter (see Figure 42 ). Figure 42: Adding the shipping foam to the library perimeter Disconnecting library cables To disconnect library cables: 1. Disc...

Relocating the Library 114 ESL E-Series Tape Library User’s Guide ■ Drive SCSI cables (not present on Ultrium 460-FC drives) ■ Cabinet controller SCSI cable ■ Robotics controller card (e1200-160) Ethernet cable ■ e2400-160 or e2400-FC 2G interface controller Ethernet cables ■ Interface Manager card ...

Relocating the Library 115 ESL E-Series Tape Library User’s Guide Crating the library Use this section if you need to: ■ Ship the library to the new site. ■ Transport the library by forklift or similar means. If you are moving the library within a facility, refer to “ Preparing the library for opera...

Relocating the Library 116 ESL E-Series Tape Library User’s Guide To crate the library for a new site (see Figure 43 ). Figure 43: Crating the library 1. Prepare the shipping pallet for the library by attaching the ramp to the pallet. 2. Place the library on the pallet a. Raise the library support f...

Relocating the Library 117 ESL E-Series Tape Library User’s Guide 3. Secure the library. a. Place the shipping bag over the library, and secure it into place. b. Use the four shipping bolts to secure the library to the pallet. c. Remove the ramp from the pallet and lean it against the side of the li...

Relocating the Library 118 ESL E-Series Tape Library User’s Guide Preparing the library for operation After shipping or moving the library, refer to the HP StorageWorks ESL E-Series Pre-Installation Site Survey Instructions and the HP StorageWorks ESL E-Series Unpacking and Installation Guide to: ■ ...

119 ESL E-Series Tape Library User’s Guide C Regulatory Statements FCC statement This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interfere...

Regulatory Statements 120 ESL E-Series Tape Library User’s Guide BSMI statement !" #$%&'()*+,-.

Regulatory Statements 123 ESL E-Series Tape Library User’s Guide Notice for USA and CANADA only If shipped to USA, use the UL LISTED power cord specified below for 200-240 V operation. If shipped to Canada, use the CSA CERTIFIED power cord specified below for 200-240 V operation. ■ Plug Cap: NEMA tw...

Regulatory Statements 124 ESL E-Series Tape Library User’s Guide Laser statement Class 1 laser product WARNING: With all panels and enclosures in place, this product is rated as a Class I laser product. The bar code scanner inside this product, however, is a Class II laser. Avoid exposure to the las...

Regulatory Statements 125 ESL E-Series Tape Library User’s Guide ¡ATENCIÓN! El uso de los controles o ajustes para realizar procedimientos que no son especificados puede provocar una situación peligrosa. Luokan 1 laserlaite ATTENZIONE: Questo prodotto emette una luce laser di Classe II. NON guardare...

Regulatory Statements 126 ESL E-Series Tape Library User’s Guide Battery statement WARNING: This product contains a Lithium battery. The Dallas Semiconductor DS12B887 on the motherboard contains a Lithium battery. Lithium may be considered a hazardous material. Dispose of this battery in accordance ...

Regulatory Statements 127 ESL E-Series Tape Library User’s Guide Attenzione Questo prodotto contiene una batteria al litio. Il modulo Dallas Semiconductor DS12B887 contiene una batteria al litio sulla scheda madre. Il litio può essere considerato un materiale pericoloso. Utilizzare questo tipo di ba...

129 ESL E-Series Tape Library User’s Guide D Sense Data Values This appendix lists sense data values and descriptions. These values appear in library error codes, as well as in the library error log. Table 22 lists message information that can be sent from the tape library to the host computer. The ...

143 ESL E-Series Tape Library User’s Guide E Event Reporting The library is capable of reporting a variety of events that occur within the cabinet. An event is defined as any occurrence that requires user attention and possible intervention. These events are either report through the OCP or through ...

Event Reporting 144 ESL E-Series Tape Library User’s Guide Information events Informational events are for user information only and do not require any intervention on the cabinet such as replacing components or updating software. Table 24 lists the information events provided by the library. Table ...

Event Reporting 146 ESL E-Series Tape Library User’s Guide Warning events Warning events indicate that a possible error condition exists within the cabinet. These events give the user a chance to check the cabinet before a failure occurs. Table 25 lists the warning events provided by the library. Ta...

Event Reporting 148 ESL E-Series Tape Library User’s Guide Critical events Critical events indicate that a failure has occurred in the cabinet. The user must intervene to return the cabinet to operation. Table 26 lists the critical events provided by the library. Table 26: Critical events Critical E...

Glossary 154 ESL E-Series Tape Library User’s Guide Check Condition status Blocks of data are stored on the tape medium along with additional information that the library controller uses to manage storage and retrieval. The format of the additional information is unique and is hidden from the initia...

Glossary 156 ESL E-Series Tape Library User’s Guide NVRAM Non-Volatile Random Access Memory is a type of memory that retains its contents when power is turned off. One type of NVRAM is SRAM that is made non-volatile by connecting it to a constant power source such as a battery. Another type of NVRAM...

Glossary 157 ESL E-Series Tape Library User’s Guide SDLT Super Digital Linear Tape is a Quantum tape drive and tape cartridge specification offered in three ranges of capacity and transfer rates for workgroup, mid-range, and enterprise needs. SNMP Short for Simple Network Management Protocol, a set ...