IBM System Storage TS3500 Manuel utilisateur

Introduction

This topic describes the IBM System Storage TS3500 Tape Library, a highly scalable, stand-

alone device that provides reliable, automated tape handling and storage or both

main rame and Open Systems environments.

Figure 1 shows a 6- rame version o the TS3500 Tape Library. The library consists o one

base rame and up to 15 expansion rames and can include up to 192 tape drives and more

than 20 000 tape cartridges. In addition to scalability, the TS3500 Tape Library also o ers

the ollowing enhancements:

•Enhanced data accessibility through dual accessors that increase speed and provide

ailover protection

•Enhanced data security through support or tape drive encryption and Write Once

Read Many (WORM) cartridges

•Increased storage capacity with high-density rames that greatly increase capacity

without requiring more loor space

These eatures are explained in greater detail throughout this in ormation center.

Figure 1. The TS3500 Tape Library

The TS3500 Tape Library comes with several tape drive, rame model, and eature options

in order to meet your speci ic needs. Some additional eatures o the TS3500 Tape Library

are listed below:

•Ability to attach multiple simultaneous heterogeneous servers

•Remote management using a Web browser or the TS3500 Command Line Inter ace

•Remote monitoring using SNMP or SMI-S standards-based so tware

•Multipath architecture

•Drive/media exception reporting

•In-depth reporting using the Tape System Reporter

•Host-based path ailover

•Up to 224 I/O slots (16 I/O slots standard)

Table 1 gives potential library capacity based on supported rames and con igurations.

Table 1. Frames supported by the TS3500 Tape Library

Supported Frames

A library of these models... Containing these drives...

Can contain

this many

cartridges...

And has this

maximum

native

capacity...

L5x, D5x, and S54 Ultrium Tape Drives > 20 000 30 PB

(26.65 PiB)

L32, D32, and S54 Ultrium tape drives > 20 000 30 PB

(26.65 PiB)

L2x, D2x, and S24 3592 tape drives > 15 000 15 PB

(13.32 PiB)

Notes:

•In order to support more than 6 887 slots OR to support Ultrium 5 tape drives, all

node cards in the library must be model xx3-equivalent node cards. For node cards in

model xx2 rames, this requires a xx3 model conversion OR the enhanced node card(s)

eature (FC 1700 or 1701).

•In order to increase the maximum number o cartridges to more than 6 887, logical

libraries must use LTO Ultrium 4, 3592 E05, or newer tape drives as control path

drives. Ultrium 4 control path drives require a minimum code level o 97F0.

•The maximum native capacity igures are based on library con igurations with HD

rames and all Ultrium 5 or 3592 E06 tape drives.

Parent topic: Overview

elated concepts

Structure o the library

Attachment inter aces

SNMP messaging

Web inter ace

Advanced Library Management System

Fibre Channel inter ace

SCSI inter ace

Dual accessors and service bays

Supported tape drives

LTO Ultrium tape drives

3592 tape drives

Supported tape cartridges

Structure of the library

This section de ines base and expansion rames and describes the models o the TS3500

Tape Library.

The basic TS3500 Tape Library is a single storage unit known as the base frame (Models

L32, L52, or L53 or LTO Ultrium tape drives, or Models L22 or L23 or 3592 tape drives).

The library's scalability allows you to increase capacity by adding up to i teen additional

storage units, called expansion frames (Models D32, D52, D53, and S54 or LTO Ultrium

tape drives or Models D22, D23, and S24 or 3592 tape drives). The rames join side by

side, with the base rame on the le t and the expansion rame on the right. The additional

expansion rames are supported by a common cartridge accessor that requires no pass-

through mechanism. Frame Models D22, D23, D32, D52, and D53 can contain up to twelve

Ultrium tape drives or 3592 tape drives, but cannot contain a mix o both.

High-density rames, re erred to herea ter as HD rames, greatly increase library capacity.

HD rame Model S54 can contain up to 1 320 Ultrium tape cartridges and HD rame Model

S24 can contain up to 1 000 IBM 3592 tape cartridges. The HD rames o er increased

capacity without increasing rame size or required loor space by using high density storage

slots or tape cartridges, re erred to herea ter as HD slots.

Note: Base rame models L22, L23, L52, L53, and L32 are re erred to herea ter as base

frames, unless model-speci ic in ormation is discussed. Expansion rame models D22, D23,

D52, D53, D32, S24, and S54 are re erred to herea ter as expansion frames, unless model-

speci ic in ormation is discussed.

The TS3500 Tape Library eatures an optional second cartridge accessor. I you order dual

accessors, two rames that are used as service bays are required. Service bay A is known as

Model HA1 and service bay B is a Model D23, D22, D52, D53, S24, or S54 rame.

Note: In order to support mixed media in an HD library with dual accessors, service bay B

must be a model Dxx rame. This con iguration requires eature code 1697, which ensures

that the service bays provide both LTO and 3592 HD test slots.

For bulk media handling, the TS3500 Tape Library supports our I/O stations in newly

purchased Models D23 and D53 rames. The D- rame with I/O installed is comprised o our

independently accessible I/O station doors with a total o 64 slots (16 in each I/O station

door). Additionally, two LED indicators are provided or each I/O station in a D- rame in

order to indicate i the I/O station is empty or ull and i the I/O station door is locked or

unlocked. This plant eature reduces the rame storage slot capacity by 160 or a Model D23

and by 176 or a Model D53. The I/O stations increase the maximum library I/O slot

capacity rom 32 to 224. The multiple I/O stations can double the maximum insert and eject

throughput since both accessors can be used. The D23 and D53 models remain compatible

with existing Models L22, L32, L52, D22, D32, and D52.

The models o the TS3500 Tape Library vary depending on the type o media they contain

and whether the rame is a service bay, a base rame, or an expansion rame. Table 1 lists

each rame and its characteristics.

Table 1. TS3500 Tape Library rame models

Frame

model Type Depth

Media type and

capacity Other

HA1 Service Bay

AShort N/A N/A

•Required when an

optional second accessor

is ordered

•Contains slots or

diagnostic cartridges only

L22 Base rame Short 3592

Up to 12

drives and

up to 260

cartridges

•May require L23 model

conversion OR

installation o FC 17001

L23 Base rame Short 3592

Up to 12

drives and

up to 260

cartridges

•Equipped with the

enhanced rame control

assembly

•Optionally equipped

with TS7700 backend

switches

D22 Expansion

rame Short 3592

Up to 12

drives and

up to 400

cartridges

•Optionally con igured

as service bay B

•May require D23 model

conversion OR

installation o FC 17011

D23 Expansion

rame

Short 3592 Up to 12

drives and •Optionally equipped

Table 1. TS3500 Tape Library rame models

Frame

model Type Depth

Media type and

capacity Other

up to 400

cartridges

with the enhanced rame

control assembly

•Optionally equipped

with TS7700 backend

switches

•Optionally equipped

with our I/O stations

•Optionally con igured

as service bay B, i not

equipped with our I/O

stations

S24 Expansion

rame Short 3592 Up to 1 000

cartridges

•Optionally con igured

as service bay B

L32 Base rame Long LTO

Ultrium

Up to 12

drives and

up to 281

cartridges

•May require installation

o FC 17001

D32 Expansion

rame Long LTO

Ultrium

Up to 12

drives and

up to 440

cartridges

•May require installation

o FC 17011

L52 Base rame Short LTO

Ultrium

Up to 12

drives and

up to 287

cartridges

•May require L53 model

conversion OR

installation o FC 17001

L53 Base rame Short LTO

Ultrium

Up to 12

drives and

up to 287

cartridges

•Equipped with the

enhanced rame control

assembly

D52 Expansion

rame

Short LTO

Ultrium

Up to 12

drives and

up to 440

cartridges

•Optionally con igured

as service bay B

•May require D53 model

conversion OR

Table 1. TS3500 Tape Library rame models

Frame

model Type Depth

Media type and

capacity Other

installation o FC 17011

D53 Expansion

rame Short LTO

Ultrium

Up to 12

drives and

up to 440

cartridges

•Optionally equipped

with the enhanced rame

control assembly

•Optionally equipped

with our I/O stations

•Optionally con igured

as service bay B, i not

equipped with our I/O

stations

S54 Expansion

rame Short LTO

Ultrium

Up to 1 320

cartridges

•Optionally con igured

as service bay B

Note:

1. Prerequisite or any rame with a node card installed in a library string with code

level 9500 or higher.

Models L22, D22, L23, D23, L52, D52, L53, D53, S24, and S54 are compatible with Models

L32 and D32, but require additional eatures because they use di erent side and rear

covers. I you change rom a Model L32 or D32 to a Model D22, D23, D52, D53, S24, or

S54 (or rom a Model D22, D23, D52, D53, S24, or S54 to a Model D32) within the same

library you may also need the appropriate side covers.

When expanding an installed library, an expansion rame is installed at the end o the

library string (end of the library string re ers to the very last rame or, i requested by the

customer, the last rame be ore service bay B). In order to have the expansion rame

installed somewhere other than the end o the library string, the Service Representative

must obtain a "Services Contract" to uninstall additional rames as necessary to

accommodate the customer's request.

The IBM® System Storage™ Tape Library Specialist Web inter ace and 10/100 Ethernet

support are included with Models L22, L23, L52, and L53. For Model L32, they are available

as eature codes 1662 and 1660, respectively.

Figure 1 shows an example o a base rame and an expansion rame.

Figure 1. Frames in the BM System Storage TS3500 Tape Library. A Model L23 or L53

(base rame) is on the le t. A Model D23 or D53 (expansion rame) is on the right and

attaches to the base rame.

•Dual accessors and service bays

This section describes dual accessors and service bays and how they can enhance

library per ormance.

•High density technology

This section describes high density technology in the TS3500 Tape Library.

Parent topic: Overview

elated concepts

Supported tape drives

Web inter ace

Dual accessors and service bays

High density technology

elated reference

Mixing drives in rames

Mixing drives in a logical library

Mixing media in drives

Dual accessors and service bays

This section describes dual accessors and service bays and how they can enhance library

per ormance.

When an optional second accessor is installed, the TS3500 Tape Library eatures enhanced

availability by utilizing an additional accessor, and by operating without disruption i any

component o the working accessor ails.

I the library is installed with the optional second accessor, cartridge mount per ormance is

also optimized. (A mount occurs when the accessor removes a cartridge rom a drive,

returns it to its storage slot, collects another cartridge rom a random storage slot, moves

it, and loads it into the drive.) The second accessor is part o eature code 1440 (Service

Bay B Con iguration), which can be ordered with expansion rames used as service bay B. I

you order a second accessor you must also order a 3584 high availability (HA1) rame,

which is also known as service bay A.

As you view the library rom the ront, service bay A is on the ar le t and service bay B is

on the ar right. Figure 1 shows the location o service bays in the TS3500 Tape Library.

Figure 1. Location of service bays in the TS3500 Tape Library. Service bay A (the HA1

rame) is on the ar le t. Service bay B is on the ar right and contains the second accessor.

When dual accessors are installed and an attached host issues a command or cartridge

movement, the library automatically determines which accessor can per orm the mount in

the most timely manner. I the library's primary accessor ails, the second accessor

assumes control and eliminates system outage or the need or operator intervention.

Although the library uses de aults to speci y the zones (areas) in which the accessors

operate, you can speci y particular zones by using the Tape Library Specialist Web inter ace.

This process is called setting the pre erred zone.

Service bay A (the HA1 rame) contains only gripper test slots ( 1 in Figure 2) or

diagnostic cartridges. Service bay B contains gripper test slots 2 or diagnostic cartridges,

and also contains unusable storage slots 3 . The storage slots in service bay B are not used

i the rame is con igured as a service bay. Figure 2 shows the location o slots in an

example o a service bay.

Figure 2. Cartridge slots in the service bays of the TS3500 Tape Library. Service bay A is on

the le t and contains only gripper test slots or diagnostic cartridges. An example o a

Service bay B is on the right and contains both gripper test slots or diagnostic cartridges

and unusable storage slots.

I you already have an installed TS3500 Tape Library and you want to add a second

accessor, your IBM Service Representative can add the accessor and its service bays.

Converting rom a single accessor to a dual accessor library requires that the Service

Representative take down the entire library.

Should your library already contain the service bays and you decide to add one or more

expansion rames, your IBM Service Representative can convert service bay B to an

expansion rame, add the new rame or rames to the right, and convert the last rame on

the right to service bay B. This process requires no scheduled downtime (downtime is

designed to be less than one hour). To convert the existing service bay to an expansion

rame, the service representative removes the test slots and replace them with storage

slots. Similarly, to convert an expansion rame to a service bay, the service representative

removes speci ic storage slots and replaces them with the test slots. For more in ormation,

contact your IBM Service Representative.

Notes:

•In order to support mixed media in an HD library with dual accessors, service bay B

must be a model Dxx rame. This con iguration requires eature code 1697, which

ensures that the service bays provide both LTO and 3592 HD test slots.

•Expansion rame Model D32 cannot be used as service bay B.

Parent topic: Structure o the library

elated concepts

Advanced Library Management System

Library per ormance

High density technology

This section describes high density technology in the TS3500 Tape Library.

The TS3500 Tape Library o ers high-density, storage-only rame models (HD rames)

designed to greatly increase storage capacity without increasing rame size or required loor

space. The new HD rames (Model S24 or 3592 tape cartridges and Model S54 or LTO

Ultrium tape cartridges) contain HD storage slots.

HD slots contain tape cartridges in a tiered architecture. The cartridge immediately

accessible in the HD slot is a Tier 1 cartridge. Behind that is Tier 2 and so on. The maximum

tier in an LTO Ultirum (Model S54) HD slot is Tier 5. The maximum tier in a 3592 (Model

S24) HD slot is Tier 4 because the 3592 tape cartridge is slightly longer than the LTO

Ultrium cartridge. The single-deep slots on the door side o HD rames are re erred to as

Tier 0 slots. On the le t, Figure 1 shows the inside o an HD rame rom the side. On the

right, Figure 1 shows a top-down view o one row o an HD rame with cartridges in Tiers 0

(door side), 1, 2, and 3.

Figure 1. The HD frame (left) and top-down view of row in an HD frame (right)

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