6947ch08.fm Draft Document for Review April 7, 2004 6:15 pm
214 IBM eServer zSeries 990 Technical Guide
Figure 8-14 Dedicated, shared logical partitions and IFL upgrade example

This two-book server configuration has nine CPs and seven spare PUs. The concurrent

hardware upgrade adds two IFL processors, using two available spare PUs on the installed

books. There are two activated logical partitions, and one non-activated:

򐂰LP1 has three dedicated (DED) logical CPs and two reserved CPs defined.
򐂰LP2 has six shared (SHR) logical CPs and two reserved CPs defined.
򐂰Logical partition LP3 is defined with one shared logical CP, but is not activated.

After the upgrade, including two IFL processors, the partition LP3 is redefined to have two

dedicated logical IFLs. The I/O definitions for this logical partition can be dynamically done by

LP1 or LP2, if any of them has the Dynamic I/O Configuration OS support. Then partition LP3

can be activated and use the IFL processors. By using a previously defined logical partition,

this upgrade is non-disruptive.

Dedicated, shared partitions and ICF upgrade

Figure 8-15 on page 215 shows a 2084-B16, software model 309 with one Internal Coupling

Facility (ICF). This example is similar to the previous one, but now includes a Coupling Facility

(CF) partition.

CP0 CP1 CP2 CP3 Spare SpareSpare Spare
CP4 CP5 CP6 SpareSpare Spare

Book 0 Book 1

Logical
CP0
DED
Logical
CP1
DED
Logical
CP2
DED
CP7 CP8

LP1

LP2

2084-B16

Model 309

Res
CP
Res
CP

LP3 (not activated)

Logical
CP0
SHR
Logical
CP1
SHR
Logical
CP2
SHR
Res
CP
Res
CP
Logical
CP3
SHR
Logical
CP0
SHR
Logical
CP4
SHR
Logical
CP5
SHR
CP0 CP1 CP2 CP3 Spare Spare
CP4 CP5 CP6 SpareSpare Spare

Book 0 Book 1

Logical
CP0
DED
Logical
CP1
DED
Logical
CP2
DED
CP7 CP8

LP1

LP2

2084-B16

Model 309

+ 2 IFLs

Res
CP
Res
CP

LP3 (redefined with IFLs)

Logical
CP0
SHR
Logical
CP1
SHR
Logical
CP2
SHR
Res
CP
Res
CP
Logical
CP3
SHR
Logical
IFL0
DED
Logical
CP4
SHR
Logical
CP5
SHR
IFL0IFL1
Logical
IFL1
DED