Acropolis Operating System (AOS)

General Information

Technologies must be operated and maintained in accordance with Federal and Department security and privacy policies and guidelines. More information on the proper use of the TRM can be found on the TRM Proper Use Tab/Section.

Website:	Go to site
Description:	Acropolis Operating System (AOS) is an operating system for the Nutanix hyper-converged infrastructure platform. AOS contains data services for data protection, space efficiency, scalability, automated data tiering and security. AOS comes with a built-in hypervisor called Acropolis Hypervisor (AHV). The TRM decisions in this entry only apply to technologies and versions owned, operated, managed, patched, and version-controlled by VA. This includes technologies deployed as software installations on VMs within VA-controlled cloud environments (e.g., VA Enterprise Cloud (VAEC)). Cloud services provided by the VAEC, which are listed in the VAEC Service Catalog, and those controlled and managed by an external Cloud Service Provider (i.e., SaaS) are not in the purview of the TRM. For more information on the use of cloud services and cloud-based products within VA, including VA private clouds, please see the Enterprise Cloud Solutions Office (ECSO) Portal at: https://dvagov.sharepoint.com/sites/OITECSO
Technology/Standard Usage Requirements:	Users must ensure their use of this technology/standard is consistent with VA policies and standards, including, but not limited to, VA Handbooks 6102 and 6500; VA Directives 6004, 6513, and 6517; and National Institute of Standards and Technology (NIST) standards, including Federal Information Processing Standards (FIPS). Users must ensure sensitive data is properly protected in compliance with all VA regulations. Prior to use of this technology, users should check with their supervisor, Information Security Officer (ISO), Facility Chief Information Officer (CIO), or local Office of Information and Technology (OI&T) representative to ensure that all actions are consistent with current VA policies and procedures prior to implementation.
Section 508 Information:	This technology has not been assessed by the Section 508 Office. The Implementer of this technology has the responsibility to ensure the version deployed is 508-compliant. Section 508 compliance may be reviewed by the Section 508 Office and appropriate remedial action required if necessary. For additional information or assistance regarding Section 508, please contact the Section 508 Office at Section508@va.gov.
Decision:	View Decisions

Decision Source:	TRM Mgmt Group
Decision Process:	One-VA TRM v24.1
Decision Date:	01/11/2024 at 17:00:46 UTC
Introduced By:	TRM Request
Vendor Name:	Nutanix

Vendor Release Information

The Vendor Release table provides the known releases for the TRM Technology, obtained from the vendor (or from the release source).

Version	Release Date	Vendor End of Life Date	Vendor Desupport Date
5.x	10/24/2019
6.x

Current Decision Matrix (01/08/2024)

Users must ensure their use of this technology/standard is consistent with VA policies and standards, including, but not limited to, VA Handbooks 6102 and 6500; VA Directives 6004, 6513, and 6517; and National Institute of Standards and Technology (NIST) standards, including Federal Information Processing Standards (FIPS). Users must ensure sensitive data is properly protected in compliance with all VA regulations. Prior to use of this technology, users should check with their supervisor, Information Security Officer (ISO), Facility Chief Information Officer (CIO), or local Office of Information and Technology (OI&T) representative to ensure that all actions are consistent with current VA policies and procedures prior to implementation.

The VA Decision Matrix displays the current and future VA IT position regarding different releases of a TRM entry. These decisions are based upon the best information available as of the most current date. The consumer of this information has the responsibility to consult the organizations responsible for the desktop, testing, and/or production environments to ensure that the target version of the technology will be supported. Any major.minor version that is not listed in the VA Decision Matrix is considered unapproved for use.

Legend:

White	Approved: The technology/standard has been approved for use.
Yellow	Approved w/Constraints: The technology/standard can be used within the specified constraints located below the decision matrix in the footnote[1] and on the General tab.
Gray	Unapproved: This technology or standard can be used only if a POA&M review is conducted and signed by the Authorizing Official Designated Representative (AODR) as designated by the Authorizing Official (AO) or designee and based upon a recommendation from the POA&M Compliance Enforcement, has been granted to the project team or organization that wishes to use the technology.
Orange	Divest: VA has decided to divest itself on the use of the technology/standard. As a result, all projects currently utilizing the technology/standard must plan to eliminate their use of the technology/standard. Additional information on when the entry is projected to become unapproved may be found on the Decision tab for the specific entry.
Black	Prohibited: The technology/standard is not (currently) permitted to be used under any circumstances.
Blue	Planning/Evaluation Constraint:The period of time this technology is currently being evaluated, reviewed, and tested in controlled environments. Use of this technology is strictly controlled and not available for use within the general population. If a customer would like to use this technology, please work with your local or Regional OI&T office and contact the appropriate evaluation office displayed in the notes below the decision matrix. The Local or Regional OI&T office should submit an inquiry to the TRM if they require further assistance or if the evaluating office is not listed in the notes below.

Release/Version Information:

VA decisions for specific versions may include a ‘.x’ wildcard, which denotes a decision that pertains to a range of multiple versions.

For example, a technology approved with a decision for 7.x would cover any version of 7.(Anything) - 7.(Anything). However, a 7.4.x decision would cover any version of 7.4.(Anything), but would not cover any version of 7.5.x or 7.6.x on the TRM.

VA decisions for specific versions may include ‘+’ symbols; which denotes that the decision for the version specified also includes versions greater than what is specified but is not to exceed or affect previous decimal places.

For example, a technology approved with a decision for 12.6.4+ would cover any version that is greater than 12.6.4, but would not exceed the .6 decimal ie: 12.6.401 is ok, 12.6.5 is ok, 12.6.9 is ok, however 12.7.0 or 13.0 is not.

<Past

CY2023

CY2024

CY2025

Future>

Release

Q1

Q2

Q3

Q4

Q1

Q2

Q3

Q4

Q1

Q2

Q3

Q4

5.x

Approved w/Constraints
[6, 8, 9, 10]

Approved w/Constraints
[6, 8, 10, 11]

Approved w/Constraints
[10, 11, 12, 13, 14]

6.x

Unapproved

Decision Constraints


[1]	This Technology is currently being evaluated, reviewed, and tested in controlled environments. Use of this technology is strictly controlled and not available for use within the general population.

[2]	A baseline for this technology is being developed by Financial Technology Service (FTS), Infrastructure Operations (IO) that is required for full TRM approval of this technology. During that baseline development this technology is only approved for development and testing use (non-production). VA sensitive data should not be used with this technology until it is fully baselined.

[3]	Users should check with their supervisor, Information Security Office (ISO) or local OIT representative for permission to download and use this software. Downloaded software must always be scanned for viruses prior to installation to prevent adware or malware. Freeware may only be downloaded directly from the primary site that the creator of the software has advertised for public download and user or development community engagement. Users should note, any attempt by the installation process to install any additional, unrelated software is not approved and the user should take the proper steps to decline those installations.

[4]	Veterans Affairs (VA) users must ensure VA sensitive data is properly protected in compliance with all VA regulations. All instances of deployment using this technology should be reviewed by the local ISO (Information Security Officer) to ensure compliance with VA Handbook 6500.

[5]	Veterans Affairs (VA) users must ensure VA sensitive data is properly protected in compliance with all VA regulations. All instances of deployment using this technology should be reviewed by the local ISO (Information Security Officer) to ensure compliance with VA Handbook 6500.

[6]	Per the Initial Product Review, users must abide by the following constraints: A secure configuration baseline has been developed for Acropolis Hypervisor (AHV). A Secure Configuration Baseline is a set of security controls and/or configuration item specifications for an information technology (IT) product applied to an operational environment as directed by NIST Special Publication 800-53 CM-6 Configuration Settings. Secure configuration baselines are used as a basis for system builds, enterprise approved IT product version releases, and/or changes to documented configuration settings. System owners must follow the Nutanix - Secure Configuration Baseline when using the product. Due to potential information security risks, Software as a Service (SaaS)/Platform as a Service (PaaS) must complete the Veterans-Focused Integration Process Request (VIPR) process where a collaborative effort between Demand Management (DM), Enterprise Program Management Office Information Assurance (EPMO IA), Project Special Forces (PSF), Enterprise Cloud Solutions Office (ECSO), Chief Technology Officer (CTO), and stakeholders determines the SaaS/PaaS category during the Discovery Phase. All SaaS and Non-AWS/Azure (VAEC) PaaS assets are routed to EPMO IA for Analysis and Approval to Operate (ATO) with technical oversight, acquisition, production, and sustainment provided by PSF

[7]	Due to potential information security risks for cloud-based technologies, users should coordinate closely with their facility ISSO for guidance and assistance on cloud products. If further guidance is needed contact the Enterprise Cloud Solution Office (ECSO), which is the body responsible for new software development in and migration of existing systems to the VA Enterprise Cloud (VAEC) and ensuring organizational information, Personally Identifiable Information (PII), Protected Health Information (PHI), and VA sensitive data are not compromised within the VAEC. For information about Software as a Service (SaaS) products or to submit a SaaS product request with the Project Special Forces (PSF) team, please use their online form. (Ref: VA Directive 6004, VA Directive 6517, VA Directive 6513 and VA Directive 6102).

[8]	Due to potential information security risks for cloud-based technologies, users should coordinate closely with their facility ISSO for guidance and assistance on cloud products. If further guidance is needed contact the Enterprise Cloud Solution Office (ECSO), which is the body responsible for new software development in and migration of existing systems to the VA Enterprise Cloud (VAEC) and ensuring organizational information, Personally Identifiable Information (PII), Protected Health Information (PHI), and VA sensitive data are not compromised within the VAEC. For information about Software as a Service (SaaS) products or to submit a SaaS product request with the VA OIT Product Engineering team, please use their online form. (Ref: VA Directive 6004, VA Directive 6517, VA Directive 6513 and VA Directive 6102).

[9]	Veterans Affairs (VA) users must ensure VA sensitive data is properly protected in compliance with all VA regulations. All instances of deployment using this technology should be reviewed by the local ISSO (Information System Security Officer) to ensure compliance with VA Handbook 6500.

[10]	Users should check with their supervisor, Information System Security Officer (ISSO) or local OIT representative for permission to download and use this software. Downloaded software must always be scanned for viruses prior to installation to prevent adware or malware. Freeware may only be downloaded directly from the primary site that the creator of the software has advertised for public download and user or development community engagement. Users should note, any attempt by the installation process to install any additional, unrelated software is not approved and the user should take the proper steps to decline those installations.

[11]	Veterans Affairs (VA) users must ensure VA sensitive data is properly protected in compliance with all VA regulations. All instances of deployment using this technology should be reviewed by the local ISSO (Information System Security Officer) to ensure compliance with both VA Handbook 6500 and VA Directive 6500.

[12]	Per the Initial Product Review/Security Assessment Review, users must abide by the following constraints: Due to potential information security risks, SaaS/PaaS solutions must complete the Veterans-Focused Integration Process Request (VIPR) process where a collaborative effort between Demand Management (DM), Enterprise Program Management Office Information Assurance (EPMO IA), Digital Transformation Center (DTC), Enterprise Cloud Solutions Office (ECSO), Chief Technology Officer (CTO), and stakeholders determines the SaaS/PaaS category during the Discovery Phase. All SaaS and Non-AWS or Azure (VAEC) PaaS assets are routed to EPMO IA for Analysis and Approval to Operate (ATO) with technical oversight, acquisition, production, and sustainment provided by DTC. A secure configuration baseline has been developed for Acropolis Operating System (AOS). A Secure Configuration Baseline is a set of security controls and/or configuration item specifications for an information technology (IT) product applied to an operational environment as directed by NIST Special Publication 800-53 CM-6 Configuration Settings. Secure configuration baselines are used as a basis for system builds, enterprise approved IT product version releases, and/or changes to documented configuration settings. System owners must follow the Nutanix - Secure Configuration Baseline when using the product. It is highly recommended that the VA consider the LTS solution to leverage the comprehensive technical support that the vendor offers with this subscription.

[13]	Due to potential information security risks for cloud-based technologies, users should coordinate closely with their facility ISSO for guidance and assistance on cloud products. If further guidance is needed contact the Enterprise Cloud Solution Office (ECSO), which is the body responsible for new software development in and migration of existing systems to the VA Enterprise Cloud (VAEC) and ensuring organizational information, Personally Identifiable Information (PII), Protected Health Information (PHI), and VA sensitive data are not compromised within the VAEC. For information about Software as a Service (SaaS) products or to submit a SaaS product request, visit the Product Marketplace. (Ref: VA Directive 6004, VA Directive 6517, VA Directive 6513 and VA Directive 6102).

[14]	The Federal Information Processing standards (FIPS) 140-2 certification status of this technology was not able to be verified. This technology will require a 3rd party FIPS 140-2 or 140-3 certified solution for any data containing PHI/PII or VA sensitive information, where applicable. More information regarding the Cryptographic Module Validation Program (CMVP) can be found on the NIST website.

Note:

At the time of writing, version 6.7 is the most current version.

A baseline configuration of this technology was developed by the BCM team. At the time of writing, the baseline version is 5.x.

References

The following reference(s) are associated with this entry:
Type	Name	Source	Description

Technology Components

Note: This list may not be complete. No component, listed or unlisted, may be used outside of the technology in which it is released. The usage decision for a component is found in the Decision and Decision Constraints.
Name	Description
App Mobility Fabric (AMF)	Hypervisors abstracted the Operating System (OS) from hardware, and the App Mobility Fabric (AMF) abstracts workloads (Virtual Machines (VMs), Storage, Containers, etc.) from the hypervisor. This will provide the ability to dynamically move the workloads between hypervisors, clouds, as well as provide the ability for Nutanix nodes to change hypervisors.
Distributed Storage Fabric (DSF)	This is at the core and birth of the Nutanix platform and expands upon the Nutanix Distributed Filesystem (NDFS). NDFS has now evolved from a distributed system pooling storage resources into a much larger and capable storage platform.
Hypervisor	A multi-purpose hypervisor based upon the Community Enterprise Operating System (CentOS) Kernel-based Virtual Machine (KVM) hypervisor.

VA Categories View the VA Categorization Framework

Domain Area	Category	Customer Guidance	Category Locked By ELT Date
Platforms and Storage Operating Systems	Application and OS Deployment

Operating Systems Supported by the Technology

This entry is an operating system.

Technologies/Standards Relationships

Runtime Dependencies:

No runtime dependencies have been identified.

Comparable Technologies:

No comparable entries have been identified.

Companion Technologies/Supported Standards:

General Analysis

Adoption Benefits

This is a well-documented technology.
At the time of writing, no National Institute of Standards and Technology (NIST) vulnerabilities had been reported and no VA Cyber Security Operations Center (CSOC) bulletins had been issued for the latest versions of this technology.

Adoption Risks

This technology may have commercial support available at an additional cost.
Due to the rapid release schedule of this technology, the VA may be unable to update to the most recent patch and may require a deployment model requiring the use of specific versions.
There are other approved baseline solutions that provide similar functionality available on the TRM. The use of several similar solutions may increase organization requirements for support and maintenance.
The technology requires the purchase of licenses from vendor, which could potentially lead to vendor lock-in.
There is no indication based on either the vendor documentation or the Cryptographic Module Validation Program (CMVP) that this technology is Federal Information Processing Standard (FIPS) 140-2 compliant.
Acropolis OS is available for on-premise or cloud deployment.
The Department of Veterans Affairs (VA) Baseline Configuration Management Team drafted the Nutanix - Secure Configuration Baseline that must be followed when implementing this technology.
There are two configuration options available for Acropolis OS, either Short Term Support (STS) or Long-Term Support (LTS).

Architectural Benefits

This technology is compatible with virtual machines, therefore consistent with the enterprise Server Virtualize First Policy (VAIQ 7266972 08-27-2012).

Architectural Risks

This product includes cloud-based functionality which has potential information security risks.

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