Chapter 3. Virtualization 147
3.4.11 Linux support
IBM Linux Technology Center (LTC) contributes to the development of Linux by providing
support for IBM hardware in Linux distributions. In particular, the LTC makes tools and code
available to the Linux communities to take advantage of the POWER7+ technology and
develop POWER7+ optimized software.
Shared dedicated capacity Yes Yes Yes Yes Yes Yes Yes Yes Yes
Multiple Shared Processor
Pools
Ye s Ye s Ye s Ye s Ye s Ye s Ye s Ye s Ye s
Virtual I/O Server Yes Yes Yes Yes Yes Yes Yes Yes Yes
Integrated Virtualization
Manager
Ye s Ye s Ye s Ye s Ye s Ye s Ye s Ye s Ye s
Suspend and resume No Yes Yes No Yes
c
Yes Yes No No
Shared Storage Pools Yes Yes Yes Yes Yes
d
Ye s Ye s Ye s N o
Thin provisioning Yes Yes Yes Yes
e
Ye s
e
Ye s Ye s Ye s N o
Active Memory Sharing No Yes Yes Yes Yes No Yes No Yes
Active Memory
Deduplication
No Yes
f
Ye s
g
No Yes
h
No Yes No Yes
Live Partition Mobility Yes Yes Yes No Yes
i
Ye s Ye s Ye s Ye s
Simultaneous
multithreading (SMT)
Ye s
j
Ye s
k
Ye s Ye s
l
Ye s Ye s
j
Ye s Ye s
j
Ye s
Active Memory Expansion No Yes
m
YesNoNoNo No No No
Capacity on Demand
n
Ye s Ye s Ye s Ye s Ye s Ye s Ye s Ye s Ye s
AIX Workload Partitions No Yes Yes No No No No No No
a. This version can only support 10 virtual machines per core.
b. Need RHEL 6.3 Errata upgrade to support 20 virtual machines per core.
c. Requires IBM i 7.1 TR2 with PTF SI39077 or later.
d. Requires IBM i 7.1 TR1.
e. Will become fully provisioned device when used by IBM i.
f. Requires AIX 6.1 TL7 or later.
g. Requires AIX 7.1 TL1 or later.
h. Requires IBM i 7.1.4 or later.
i. Requires IBM i 7.1 TR4 PTF group or later. Access this link for more details: http://bit.ly/11im9sa
j. Only supports two threads.
k. AIX 6.1 up to TL4 SP2 only supports two threads, and supports four threads as of TL4 SP3.
l. IBM i 6.1.1 and up support SMT4.
m. On AIX 6.1 with TL4 SP2 and later.
n. Available on selected models.
Feature AIX
5.3
AIX
6.1
AIX
7.1
IBM i
6.1.1
IBM i
7.1
RHEL
5.8
RHEL
6.3
SLES 10
SP4
SLES 11
SP2
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