Dell PowerVault TL4000 Dell Model TL2000/TL4000 Tape Library- User's Guide - Page 232

Mixing of Drives, Configuration of a 1 - Partition System

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that used to occupy two. As a result, the first half height drive position, or the first full-high drive position, will be called "Drive 1". The second half height drive position will be called "Drive 2". The third half height drive position, or the second full height drive position, will be called "Drive 3". The fourth half height drive position will be called "Drive 4". Important: In a 4U library a full height drive sled may be installed in drive slot 1 (drive will occupy slot 1 and slot 2) or drive slot 3 (drive will occupy slot 3 and slot 4). A full height drive sled should never be installed in drive slot 2 (drive will occupy slot 2 and slot 3). Mixing of Drives The library will support a mix of full height and half height drives in the same physical library and the same logical library. They will support a mix of Gen 3, Gen 4, and Gen 5 drives in the same physical library and the same logical library. They will also support a mix of SCSI, SAS, and Fibre Channel in the same physical library and the same logical library; however, mixing drive interface types in the same logical library is not recommended. Configuration of a 1 - Partition System A one partition system configured for a 4U library contains any and all drives present in any drive positions, and it will contain all four magazines. When configured with one logical partition, the Element Address assignments will be as follows: v DTE assignments will be as shown in Figure A-1. v STE assignments will be as shown in Figure A-4 on page A-6. Drive 2 Element Address 257 Drive 1 Element Address 256 Drive 4 Element Address 259 Drive 3 Element Address 258 Drive 1 Element Address 256 Drive 3 Element Address 258 Drive 2 Element Address 257 Drive 1 Element Address 256 Drive 4 Element Address 259 Drive 3 Element Address 258 Drive 2 Element Address 257 Drive 1 Element Address 256 Figure A-1. Configuration of a one - partition system Configuration of a 2 - Partition System Magazine 2 Magazine 4 Magazine 1 Magazine 3 Front side a77ug161 A two partition system must have a minimum of two drives, but may have three or four drives. Partition 1 will contain any drives in drive position 1 and drive position 2. Partition 1 will also contain magazine 1 and magazine 2. Partition 2 will contain any drives in drive position 3 and drive position 4. Partition 2 will also contain magazine 3 and magazine 4. When configured with two logical partitions, the Element Address assignments will be as follows: DTE assignments will be as shown in Figure A-2 on page A-5. STE assignments v Logical Library 1: Slot 1 through slot 21 4096 (x1000) through 4116 (0x1014) A-4 Dell PowerVault TL2000 Tape Library and TL4000 Tape Library User's Guide

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that used to occupy two. As a result, the first half height drive position, or the first
full-high drive position, will be called "Drive 1". The second half height drive
position will be called "Drive 2". The third half height drive position, or the second
full height drive position, will be called "Drive 3". The fourth half height drive
position will be called "Drive 4".
Important:
In a 4U library a full height drive sled may be installed in drive slot 1
(drive will occupy slot 1 and slot 2) or drive slot 3 (drive will occupy
slot 3 and slot 4). A full height drive sled should never be installed in
drive slot 2 (drive will occupy slot 2 and slot 3).
Mixing of Drives
The library will support a mix of full height and half height drives in the same
physical library and the same logical library. They will support a mix of Gen 3,
Gen 4, and Gen 5 drives in the same physical library and the same logical library.
They will also support a mix of SCSI, SAS, and Fibre Channel in the same physical
library and the same logical library; however, mixing drive interface types in the
same logical library is not recommended.
Configuration of a 1 - Partition System
A one partition system configured for a 4U library contains any and all drives
present in any drive positions, and it will contain all four magazines.
When configured with one logical partition, the Element Address assignments will
be as follows:
v
DTE assignments will be as shown in Figure A-1.
v
STE assignments will be as shown in Figure A-4 on page A-6.
Configuration of a 2 - Partition System
A two partition system must have a minimum of two drives, but may have three
or four drives. Partition 1 will contain any drives in drive position 1 and drive
position 2. Partition 1 will also contain magazine 1 and magazine 2. Partition 2 will
contain any drives in drive position 3 and drive position 4. Partition 2 will also
contain magazine 3 and magazine 4.
When configured with two logical partitions, the Element Address assignments
will be as follows: DTE assignments will be as shown in Figure A-2 on page A-5.
STE assignments
v
Logical Library 1: Slot 1 through slot 21 4096 (x1000) through 4116 (0x1014)
a77ug1
6
1
Drive
3
25
8
Element Address
Drive
2
257
Element Address
Drive
1
25
6
Element Address
Drive
2
257
Element Address
Drive
1
25
6
Element Address
Drive
3
25
8
Element Address
Drive 4
259
Element Address
Drive
3
25
8
Element Address
Drive
1
25
6
Element Address
Drive
1
25
6
Element Address
Drive
2
257
Element Address
M
aga
zine
1
M
aga
zine
2
M
aga
zine
3
M
aga
zine
4
Front side
Drive 4
259
Element Address
Figure A-1. Configuration of a one - partition system
A-4
Dell PowerVault TL2000 Tape Library and TL4000 Tape Library User's Guide