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Power 9 AIX upgrades by current model

What can your Power 9 AIX system move to?

Compare OS and capacity changes for your Power 9 AIX workload. Start with the exact model and installed release so Midland can scope an upgrade or a suitable replacement.

Your current Power 9 model and AIX workload

AIX release eligibility depends on the exact model and I/O arrangement. Older AIX releases can require processor compatibility modes and virtual I/O; AIX 7.3 enables newer processor use.

Choose the exact catalog identity below for its planning notes. The list identifies assessment starting points; eligibility still depends on the installed edition and configuration.

Power 9 AIX model planning
Current modelConfiguration question
E950 9040-MR9Size each partition and its storage connections
E980 9080-M9SSize each partition and its storage connections
H922 9223-22HCheck the workload allocation and certification
H922S 9223-22SCheck the workload allocation and certification
H924 9223-42HCheck the workload allocation and certification
H924S 9223-42SCheck the workload allocation and certification
S914 9009-41AMatch the capacity change to the actual bottleneck
S914 9009-41GMatch the capacity change to the actual bottleneck
S922 9009-22AMatch the capacity change to the actual bottleneck
S922 9009-22GMatch the capacity change to the actual bottleneck
S924 9009-42AMatch the capacity change to the actual bottleneck
S924 9009-42GMatch the capacity change to the actual bottleneck

E950 9040-MR9: size each partition and its storage connections

Capture the busy periods and resource allocation for each logical partition. Review external storage, multipath software and management-console levels. A consolidation plan must retain the isolation and recovery behavior the applications need.

The catalog’s storage and I/O context is Enterprise storage and I/O drawers; confirm the installed topology. Check the installed adapters and recovery devices against the destination; their presence on the source does not establish reuse eligibility.

For a replacement comparison, review E1050 9043-MRX and E1150 9043-MRU. Size and qualify the proposed configuration against this workload; these are candidates rather than guaranteed equivalents.

E950 9040-MR9 catalog details · Choose the installed-release branch · Prepare the migration inventory

E980 9080-M9S: size each partition and its storage connections

Capture the busy periods and resource allocation for each logical partition. Review external storage, multipath software and management-console levels. A consolidation plan must retain the isolation and recovery behavior the applications need.

The catalog’s storage and I/O context is Storage and I/O scale with node and drawer topology. Check the installed adapters and recovery devices against the destination; their presence on the source does not establish reuse eligibility.

For a replacement comparison, review E1050 9043-MRX and E1150 9043-MRU. Size and qualify the proposed configuration against this workload; these are candidates rather than guaranteed equivalents.

E980 9080-M9S catalog details · Choose the installed-release branch · Prepare the migration inventory

H922 9223-22H: check the workload allocation and certification

Keep model-specific allocation limits beside the applications that use the server. For SAP or other certified software, confirm the exact application, database and OS combination. A compatible Linux or AIX kernel is only one part of that check.

The catalog’s storage and I/O context is SAS and NVMe options; confirm installed backplane. Check the installed adapters and recovery devices against the destination; their presence on the source does not establish reuse eligibility.

For a replacement comparison, review S1022 9105-22A and S1122 9824-22A. Size and qualify the proposed configuration against this workload; these are candidates rather than guaranteed equivalents.

H922 9223-22H catalog details · Choose the installed-release branch · Prepare the migration inventory

H922S 9223-22S: check the workload allocation and certification

Keep model-specific allocation limits beside the applications that use the server. For SAP or other certified software, confirm the exact application, database and OS combination. A compatible Linux or AIX kernel is only one part of that check.

The catalog’s storage and I/O context is SAS and NVMe options; confirm installed backplane. Check the installed adapters and recovery devices against the destination; their presence on the source does not establish reuse eligibility.

For a replacement comparison, review S1022 9105-22A and S1122 9824-22A. Size and qualify the proposed configuration against this workload; these are candidates rather than guaranteed equivalents.

H922S 9223-22S catalog details · Choose the installed-release branch · Prepare the migration inventory

H924 9223-42H: check the workload allocation and certification

Keep model-specific allocation limits beside the applications that use the server. For SAP or other certified software, confirm the exact application, database and OS combination. A compatible Linux or AIX kernel is only one part of that check.

The catalog’s storage and I/O context is SAS and NVMe options; confirm installed backplane. Check the installed adapters and recovery devices against the destination; their presence on the source does not establish reuse eligibility.

For a replacement comparison, review S1022 9105-22A and S1122 9824-22A. Size and qualify the proposed configuration against this workload; these are candidates rather than guaranteed equivalents.

H924 9223-42H catalog details · Choose the installed-release branch · Prepare the migration inventory

H924S 9223-42S: check the workload allocation and certification

Keep model-specific allocation limits beside the applications that use the server. For SAP or other certified software, confirm the exact application, database and OS combination. A compatible Linux or AIX kernel is only one part of that check.

The catalog’s storage and I/O context is SAS plus supported U.2 NVMe options. Check the installed adapters and recovery devices against the destination; their presence on the source does not establish reuse eligibility.

For a replacement comparison, review S1022 9105-22A and S1122 9824-22A. Size and qualify the proposed configuration against this workload; these are candidates rather than guaranteed equivalents.

H924S 9223-42S catalog details · Choose the installed-release branch · Prepare the migration inventory

S914 9009-41A: match the capacity change to the actual bottleneck

Compare processor use, memory pressure and storage response before choosing an upgrade. Record the installed processor feature and attached devices so the quote addresses the current workload rather than the model’s maximum specification.

The catalog’s storage and I/O context is SAS backplane options; capacity depends on processor and backplane. Check the installed adapters and recovery devices against the destination; their presence on the source does not establish reuse eligibility.

For a replacement comparison, review S1022 9105-22A and S1122 9824-22A. Size and qualify the proposed configuration against this workload; these are candidates rather than guaranteed equivalents.

S914 9009-41A catalog details · Choose the installed-release branch · Prepare the migration inventory

S914 9009-41G: match the capacity change to the actual bottleneck

Compare processor use, memory pressure and storage response before choosing an upgrade. Record the installed processor feature and attached devices so the quote addresses the current workload rather than the model’s maximum specification.

The catalog’s storage and I/O context is SAS and U.2 NVMe options; confirm the installed backplane. Check the installed adapters and recovery devices against the destination; their presence on the source does not establish reuse eligibility.

For a replacement comparison, review S1022 9105-22A and S1122 9824-22A. Size and qualify the proposed configuration against this workload; these are candidates rather than guaranteed equivalents.

S914 9009-41G catalog details · Choose the installed-release branch · Prepare the migration inventory

S922 9009-22A: match the capacity change to the actual bottleneck

Compare processor use, memory pressure and storage response before choosing an upgrade. Record the installed processor feature and attached devices so the quote addresses the current workload rather than the model’s maximum specification.

The catalog’s storage and I/O context is Eight SFF bays with backplane and expansion options. Check the installed adapters and recovery devices against the destination; their presence on the source does not establish reuse eligibility.

For a replacement comparison, review S1022 9105-22A and S1122 9824-22A. Size and qualify the proposed configuration against this workload; these are candidates rather than guaranteed equivalents.

S922 9009-22A catalog details · Choose the installed-release branch · Prepare the migration inventory

S922 9009-22G: match the capacity change to the actual bottleneck

Compare processor use, memory pressure and storage response before choosing an upgrade. Record the installed processor feature and attached devices so the quote addresses the current workload rather than the model’s maximum specification.

The catalog’s storage and I/O context is SAS plus up to 14 NVMe devices, subject to configuration. Check the installed adapters and recovery devices against the destination; their presence on the source does not establish reuse eligibility.

For a replacement comparison, review S1022 9105-22A and S1122 9824-22A. Size and qualify the proposed configuration against this workload; these are candidates rather than guaranteed equivalents.

S922 9009-22G catalog details · Choose the installed-release branch · Prepare the migration inventory

S924 9009-42A: match the capacity change to the actual bottleneck

Compare processor use, memory pressure and storage response before choosing an upgrade. Record the installed processor feature and attached devices so the quote addresses the current workload rather than the model’s maximum specification.

The catalog’s storage and I/O context is 12 or 18 SFF SAS bays with storage and expansion options. Check the installed adapters and recovery devices against the destination; their presence on the source does not establish reuse eligibility.

For a replacement comparison, review S1022 9105-22A and S1122 9824-22A. Size and qualify the proposed configuration against this workload; these are candidates rather than guaranteed equivalents.

S924 9009-42A catalog details · Choose the installed-release branch · Prepare the migration inventory

S924 9009-42G: match the capacity change to the actual bottleneck

Compare processor use, memory pressure and storage response before choosing an upgrade. Record the installed processor feature and attached devices so the quote addresses the current workload rather than the model’s maximum specification.

The catalog’s storage and I/O context is SAS plus up to 14 NVMe devices, subject to configuration. Check the installed adapters and recovery devices against the destination; their presence on the source does not establish reuse eligibility.

For a replacement comparison, review S1022 9105-22A and S1122 9824-22A. Size and qualify the proposed configuration against this workload; these are candidates rather than guaranteed equivalents.

S924 9009-42G catalog details · Choose the installed-release branch · Prepare the migration inventory

Your installed AIX release on Power 9

Record the full oslevel value and current processor mode. A shared 7.2 or 7.3 major version alone does not qualify a move to Power 11.

Power 9: AIX release starting points
Installed release or architecturePlanning next step
AIX 5.3 / 6.1 and earlierReview the exact source release and hardware requirements before selecting the target. This branch is an assessment topic, not confirmation that every listed model runs the release.
AIX 7.1Review the exact source release and hardware requirements before selecting the target. This branch is an assessment topic, not confirmation that every listed model runs the release.
AIX 7.2Review the exact source release and hardware requirements before selecting the target. This branch is an assessment topic, not confirmation that every listed model runs the release.
AIX 7.3Review the exact source release and hardware requirements before selecting the target. This branch is an assessment topic, not confirmation that every listed model runs the release.

Find the installed release information.

Upgrade AIX or add capacity on Power 9

Start with the application result you need. A supported OS change can keep the existing server useful; a capacity change can address resource pressure. Neither establishes a supported release on hardware the vendor excludes.

Migration from your Power 9 AIX system

Moving to another server is a separate task from updating the OS. The plan must qualify the destination, transfer the workload and prove the application works before the final switch.

  1. Record the source configuration.
  2. Choose a compatible transfer method.
  3. Rehearse application recovery and acceptance.
  4. Agree the rollback decision before new production transactions begin.

Return to AIX upgrades · Plan the AIX migration

Sources and release checks

Guidance checked October 21, 2026. Midland catalog identities stay with their exact model. Hardware eligibility, software maintenance and application certification need separate checks for the installed configuration.