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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