Explanation:
According to the HPE GreenLake for Block Storage configuration overview , the following options are customizable for HPE GreenLake for Block Storage:
* Choice of RAID Level: Customizable. You can choose the RAID level for each virtual pool of storage based on your performance and availability requirements. The supported RAID levels are RAID 1, RAID 5, RAID 6, and RAID 10 1 .
* Performance Tier: Customizable. You can choose the performance tier for each virtual pool of storage based on your workload characteristics and service level objectives. The available performance tiers are Performance, Business Critical, and Mission Critical 1 .
* Choice of Disk Size: Customizable. You can choose the disk size for each virtual pool of storage based on your capacity and density needs. The supported disk sizes are 1.92 TB, 3.84 TB, 7.68 TB, and 15.36 TB for SSDs, and 1.6 TB and 3.2 TB for SCM 1 .
* Availability SLA: NOT customizable. HPE GreenLake for Block Storage offers a built-in 100% data availability guarantee for mission-critical environments. This means that HPE will ensure that your data is always accessible and protected, and will compensate you for any downtime or data loss that may occur 2 .
* Network Interface/Connectivity: Customizable. You can choose the network interface and connectivity for each storage system based on your host and network requirements. The supported network interfaces are Fibre Channel and iSCSI, and the supported connectivity options are direct attach, switch attach, and SAN 1 .

HPE SPOCK (Storage Product Compatibility) is a tool that provides the latest compatibility information for HPE storage products across the entire HPE portfolio. You can use HPE SPOCK to determine whether the existing Fibre Channel switches are compatible with the new HPE Alletra 9000 Fibre Channel array by selecting the product family, model, and firmware version of the switches and the array. HPE SPOCK will display the compatibility status, any notes or limitations, and the recommended configuration settings for the switches and the array. HPE SPOCK can help you ensure a smooth and successful deployment of the HPE Alletra 9000 Fibre Channel array with the existing Fibre Channel switches. References: HPE SPOCK , HPE Alletra 9000 Data sheet , HPE Alletra 9000 configuration overview , Marvell QLogic Fibre Channel Host Bus Adapters

HPE Complete is a program that provides a one-stop shop for validated HPE and third-party partner end-to-end infrastructure solutions. HPE Complete and third-party engineering validates the interoperability and reliability of HPE Complete third-party products with HPE storage, server, and networking solutions. HPE Complete product management is responsible for managing the portfolio of third-party products and solutions that are part of the HPE Complete program. If you need to include non GreenLake enabled ISVs in a customer solution, you should engage with HPE Complete product management to find the best fit for your customer's needs and goals. References: HPE Complete 3rd Party Technology Partner Products & Solutions, HPE Complete Care Service

HPE GreenLake Data Protection is a cloud service that provides backup and recovery solutions for hybrid cloud environments. It enables customers to protect their data from edge to cloud, with rapid recovery on premises or low-cost archiving in the cloud. It also offers ransomware protection, data mobility, and data analytics capabilities 1 .
Two of the components that are part of HPE GreenLake Data Protection are:
* Disaster recovery: HPE GreenLake Data Protection offers disaster recovery as a service (DRaaS) based on Zerto, a leading platform for cloud data management and protection 2 . DRaaS enables customers to replicate and recover their data and applications across different sites, regions, or clouds in minutes, with minimal data loss and downtime. DRaaS also provides orchestration, automation, and testing tools to simplify and streamline the disaster recovery process 2 .
* Azure blob backup: HPE GreenLake Data Protection supports Azure blob backup, which allows customers to backup their data to Azure Blob Storage, a scalable and cost-effective cloud storage service 3 . Azure blob backup can be used for long-term retention, compliance, or archival purposes, as well as for restoring data to Azure or on-premises environments. Azure blob backup also leverages deduplication, compression, and encryption technologies to optimize the backup performance and security 3 .
The other options, such as application mobility, CSI plugin, and object gateway, are not components of HPE GreenLake Data Protection. Application mobility is a feature of Zerto that enables customers to migrate their applications across different platforms, such as VMware, Hyper-V, AWS, Azure, or Google Cloud, without disruption or data loss 4 . CSI plugin is a container storage interface plugin that enables customers to provision and manage persistent storage for their containerized applications using HPE storage solutions.
Object gateway is a component of HPE Ezmeral Data Fabric, a data platform that provides a unified and secure data layer for analytics, AI, and cloud-native applications.
References:
1 : HPE GreenLake for Data Protection
2 : HPE GreenLake for Disaster Recovery
3 : HPE StoreOnce Cloud Bank Storage
4 : Zerto Application Mobility
5: [HPE CSI Driver for Kubernetes]
6: [HPE Ezmeral Data Fabric]

HPE GreenLake is a pay-per-use IT model that delivers on-demand capacity and planning, combining the agility and economics of public cloud with the security and performance of on-premises IT. It helps customers improve their liquidity by avoiding large upfront capital expenditures and paying only for what they use. This frees up cash flow and enables them to invest in other strategic initiatives. According to an IDC study, customers using HPE GreenLake Management Services reported a 27% lower three-year cost of operations and a 287% five-year return on investment1. References:
HPE GreenLake cloud platform
The Business Value of HPE GreenLake Management Services
HPE Expands Pay-Per-Use IT to Key Business Workloads
Three Financial Benefits of Using HPE Greenlake