| Logical partition (LPAR) documentation | IBM System p™ and AIX Information Center | IBM Systems Hardware Information Center |
| LPAR user interface | Hardware Management Console(HMC) required to partition the server. | - Hardware Management Console (HMC)
- Integrated Virtualization Manager
|
| LPAR authority | User roles created using the HMC:- System administrator
- Advanced operator
- Service representative
- Operator
- User administrator
- Viewer
| Tasks and roles created using the HMC:- Super administrator
- Operator
- Viewer
- Product engineer
- Service representative
User roles created using the Integrated Virtualization Manager: - padmin
- View/Modify
- View Only
- Development engineer
- Service representative
|
| Maximum number of logical partitions | The maximum number of partitions supported depends on the number of processors in the server model. | The maximum number of partitions supported on systems managed by an HMC is 254 but some server models might support fewer.The maximum number of logical partitions on systems managed by the Integrated Virtualization Manager is 10 times the number of processors. |
| Types of partitions | Profiles are specific to the HMC.- Partition profiles
- System profiles
| Profiles are specific to the HMC.- Partition profiles
- System profiles
On systems managed by the Integrated Virtualization Manager, the Virtual I/O Server logical partition is called the management partition. |
| Processors | Dynamic: can be changed without restarting the partition. | Dynamic: can be changed without restarting the partition. |
| Memory | - Dynamic: can be changed without restarting the partition.
- Memory assigned in increments of 256 MB.
| - Dynamic: can be changed without restarting the partition.
- For systems running AIX, version 5.2 or later, and Linux®, the minimum amount of memory that can be allocated to a partition on a POWER5™ system is 128 MB.
- Memory can be assigned in increments of 16 MB, 32 MB, 64 MB, 128 MB, and 256 MB.
- Increment value is determined by the logical memory block size set in the ASMI.
|
| I/O | Dynamic: can be changed without restarting the partition. | Dynamic: can be changed without restarting the partition. |
| Configuration data | Service processor and HMC contain LPAR configuration data. | Service processor and HMC contain LPAR configuration data. |
| Console support | HMC | - HMC
- Integrated Virtualization Manager
|
| Main storage dumps | System level dump | - Service processor dump
- Platform system dump
|
| Updates also known as program temporary fix (PTF) | HMC Software Maintenance application | |
| Micro-Partitioning™ | Micro-Partitioning is not supported. | Micro-Partitioning is supported on AIX 5.3 |
| Virtual Ethernet client | Virtual Ethernet client is not supported. | Virtual Ethernet client is supported on AIX 5.3. On systems managed by the Integrated Virtualization Manager, there is a maximum of four virtual LANs with up to two virtual Ethernet adapters per logical partition. (The management partition manages and belongs to all virtual LANs.) |
| Virtual SCSI client | Virtual SCSI client is not supported. | Virtual SCSI client is supported on AIX 5.3. |
| Partition Load Manager | Partition Load Manager is not supported. | Partition Load Manager is supported. |
| POWER5 | Not supported. | POWER5 is supported. |
| Operating system availability | Operating system availability is supported. | Operating system availability is not supported. |
| i5/OS® | i5/OS is not supported. | i5/OS is supported. |