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Library partitioning and element addressing, Partitioning of 2u libraries, Partitioning of 4u libraries – Dell PowerVault TL4000 User Manual

Page 241

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Table A-4. 4U library SCSI element addresses for storage slots and drive slot (one logical partition with drives in slot
1 and slot 2) (continued)

Slot 18

4113

(0x1011)

Slot 19

4114

(0x1012)

Slot 20

4115

(0x1013)

Slot 21

4116

(0x1014)

Drive 2

257

(0x101)

Slot 45

4140

(0x102C)

Slot 44

4139

(0x102B)

Slot 43

4138

(0x102A)

Slot 42

4137

(0x1029)

Slot 14

4109

(0x100D)

Slot 15

4110

(0x100E)

Slot 16

4111

(0x100F)

Slot 17

4112

(0x1010)

Slot 41

4136

(0x1028)

Slot 40

4135

(0x1027)

Slot 39

4134

(0x1026)

Slot 38

4133

(0x1025)

Slot 10

4105

(0x1009)

Slot 11

4106

(0x100A)

Slot 12

4107

(0x100B)

Slot 13

4108

(0x100C)

Slot 37

4132

(0x1024)

Slot 36

4131

(0x1023)

Slot 35

4130

(0x1022)

Slot 34

4129

(0x1021)

Lower Left Magazine

Drive 1

256

(0x100)

Lower Right Magazine

I/O Slot 3

18

(0x12)

Slot 7

4102

(0x1006)

Slot 8

4103

(0x1007)

Slot 9

4104

(0x1008)

Slot 33

4128

(0x1020)

Slot 32

4127

(0x101F)

Slot 31

4126

(0x101E)

Slot 30

4125

(0x101D)

I/O Slot 2

17

(0x11)

Slot 4

4099

(0x1003)

Slot 5

4100

(0x1004)

Slot 6

4101

(0x1005)

Slot 29

4124

(0x101C

Slot 28

4123

(0x101B)

Slot 27

4122

(0x101A)

Slot 26

4121

(0x1019)

I/O Slot 1

16

(0x10)

Slot 1

4096

(0x1000)

Slot 2

4097

(0x1001)

Slot 3

4098

(0x1002)

Slot 25

4120

(0x1018)

Slot 24

4119

(0x1017)

Slot 23

4118

(0x1016)

Slot 22

4117

(0x1015)

Library Partitioning and Element Addressing

Library 4U systems with firmware versions of .80 and higher, and containing at
least 2 drives, have the ability to configure two logical libraries (create two
partitions). This partitioning has been expanded with the new library firmware and
half-high drive integration. Now it is possible to configure 1, 2, 3 or 4 partitions in
the 4U library. Additionally the 2U library can now be configured into one or two
partitions. Each library must contain at least one drive per logical library
(partition). In a partitioned library, the Operator Control Panel (OCP) only reports
the status of logical library 1 in the main menu due to space limitations. You must
navigate to the logical libraries status in the OCP to get the information on the
additional library partitions.

Partitioning of 2U Libraries

When two half height drives are installed in a 2U library, the library firmware will
support partitioning in the same way that the 4U supports partitioning with two
full height drives today. The first partition will contain the first magazine and the
first drive. The second partition will contain the second magazine and the second
drive. The I/O station (if configured as I/O) will be shared, as is done with the
partitioned 4U library.

One full height drive is "Drive 1". When using half height drives, the first half
height drive position will be called "Drive 1", The second half height drive position
will be called "Drive 2."

Partitioning of 4U Libraries

When one or more half height drives are added to a 4U library, the drive naming
will change. Currently, the first full height drive is "Drive 1" and the second full
height drive is "Drive 2". When you consider that each full height drive slot may
contain one or two half height drives, there are four potential drives in the space

Appendix A. SCSI Element Types, SCSI Addresses, and Physical Configurations

A-3

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