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Introduction:
The private cloud conversation has fundamentally shifted. For years, enterprises focused on where their infrastructure lived—on-premises, in a colocation facility, or at the edge. But in today’s rapidly evolving IT landscape, that question is no longer sufficient. The real challenge isn’t about location; it’s about flexibility. As business priorities shift, licensing models evolve, and new workloads like AI and containers emerge, organizations are discovering that static infrastructure designs become anchors rather than enablers. Dell Technologies Private Cloud addresses this by introducing a disaggregated model—one control plane, one infrastructure foundation, and multiple ecosystem paths—that preserves the ability to change direction without ripping and replacing hardware or being locked into a single vendor stack.
Learning Objectives:
- Understand the architectural differences between traditional three-tier, hyperconverged (HCI), and disaggregated private cloud models.
- Learn how to deploy and manage Dell Private Cloud using the Dell Automation Platform across VMware, Nutanix, and Red Hat ecosystems.
- Master security hardening techniques, including STIG compliance, encryption, and Zero Trust implementation for private cloud environments.
- Explore automation strategies using Infrastructure as Code (IaC) tools like Terraform and Ansible for Day 0 through Day 2 operations.
- Develop a future-proof cloud strategy that mitigates vendor lock-in and enables independent scaling of compute and storage.
- The Disaggregated Architecture: Breaking Free from the HCI Trap
Hyperconverged infrastructure (HCI) was built for simplicity. By consolidating compute, storage, and networking into a single appliance, HCI streamlined data center operations and reduced management complexity. However, this simplicity comes at a cost. When you need more storage, HCI forces you to add entire nodes—including compute resources you may not actually need. The result is overprovisioning, stranded capacity, higher costs, and reduced agility.
Dell Private Cloud takes a different approach. Its disaggregated architecture decouples compute and storage, allowing each to scale independently. This means you can add storage capacity without purchasing unnecessary compute nodes, and vice versa. As Varun Chhabra, SVP of Dell’s Infrastructure Group, explained: “What we hear from customers is that what they’re looking for is a disaggregated infrastructure model, which really brings the simplicity of HCI and the flexibility of three-tier together into one model”.
How It Works:
- Compute Layer: Dell PowerEdge servers running your choice of hypervisor (VMware vSphere, Nutanix AHV, or Red Hat OpenShift).
- Storage Layer: Dell PowerStore, PowerFlex, or PowerMax external storage arrays, scaled independently.
- Networking Layer: Flexible topologies supporting 10GbE, 25GbE, and 100GbE connectivity.
- Orchestration Layer: Dell Automation Platform handling Day 0 deployment, Day 1 administration, and Day 2 lifecycle management.
Step‑by‑Step Guide: Planning Your Disaggregated Deployment
- Assess Workload Requirements: Determine the compute and storage needs for your planned workloads. Dell recommends performing a sizing exercise to identify the quantity and characteristics of PowerEdge nodes required.
- Determine Network Topology: Decide on the number of Ethernet ports per node—two or four ports are supported for FC storage, while four ports are required for iSCSI configurations.
- Select Connectivity: Choose between 10GbE, 25GbE, or 100GbE adapters. PowerEdge nodes support RJ45, SFP+, SFP28, or QSFP adapter types.
- Provision Physical Infrastructure: Verify data center floor space, power, and cooling. Plan for top-of-rack (ToR) switches and cabling (CAT5/CAT6 for RJ45; optics or DAC cables for SFP+).
- Deploy Dell Automation Platform: Deploy the orchestrator as a VM with minimum requirements of 32 vCPUs, 64 GB RAM, and 2.5 TB thick-provisioned storage for on-premises setups.
-
Deployment Automation: From Zero to Workload-Ready in 2.5 Hours
One of the most compelling value propositions of Dell Private Cloud is the dramatic reduction in deployment complexity. Traditional private cloud deployments can take weeks or months, involving manual configuration of servers, storage, networking, and hypervisors. Dell Automation Platform changes this entirely.
Through validated blueprints for major software partners—Broadcom (VMware), Nutanix, and Red Hat—organizations can provision their private cloud stack in 90% fewer steps than manual processes, delivering workload-ready clusters in approximately 2.5 hours with zero manual effort. This is made possible by over 15,000 hours of joint testing and single-source, solution-level support.
Deployment Workflow (VMware Example):
- Prepare Environment: Set up the vSphere vCenter environment and download vSphere ESXi from Broadcom.
- Download Bundle: Obtain the VMware outcome installation bundle from the Dell Support site.
- Deploy Orchestrator: Deploy the Dell Automation Platform Orchestrator VM within your network environment.
- Create Outcome: Create the Dell Private Cloud for VMware outcome on the Dell Automation Platform cluster following the deployment guide.
- Connect Network: Connect the outcome to the external network environment and enable secure connectivity with Dell.
Linux Command Example – Verifying Deployment Readiness:
Check system resources before deployment free -h df -h lscpu Verify network connectivity to Dell Automation Platform ping -c 4 <DAP_IP_ADDRESS> curl -I https://<DAP_IP_ADDRESS>:8443 Validate storage paths lsblk mount | grep -E "nfs|iscsi"
Windows Command Example – Verifying Hyper-V or vSphere Prerequisites:
Check available memory and CPU Get-WmiObject -Class Win32_ComputerSystem | Select-Object TotalPhysicalMemory, NumberOfProcessors Verify disk space Get-PSDrive -1ame C | Select-Object Used, Free Test network connectivity Test-Connection -ComputerName <DAP_IP_ADDRESS> -Count 4
- Security Hardening: STIG, FIPS, and Zero Trust Implementation
Security is non-1egotiable in private cloud environments, particularly for organizations in regulated industries or government sectors. Dell Private Cloud incorporates multiple layers of security, from hardware root of trust to encrypted data at rest and in flight.
Key Security Features:
- STIG Compliance: Dell provides a VxRail STIG Hardening Package containing scripts and manual procedures to harden VxRail in compliance with Department of Defense Security Technical Implementation Guidelines.
- FIPS 140-2 Validation: PowerStore supports FIPS-compliant encryption for data at rest.
- Single Sign-On: Integration with Microsoft Entra ID (formerly Azure AD) for centralized identity management.
- Encrypted Email Alerts: Ensures compliance with data protection standards.
- Zero Trust Architecture: Dell’s Project Fort Zero delivers a complete Zero Trust architecture validated by the DoD, addressing limitations of point-specific cybersecurity solutions.
Step‑by‑Step Guide: Enabling STIG Mode on PowerStore
- Connect via CLI: Use PowerStore CLI to connect to your PowerStore cluster.
2. Enable STIG: Run the following command:
pstcli -user admin -password <Password> -destination <IP> security_config -id 1 set -is_stig_enabled true -async
- Verify Compliance: Check the security compliance state using the service script:
svc_compliance_mode
-
Configure Session Timeout: In PowerStore Manager, navigate to Settings > Security > Session Timeout and set the desired value (options start at 5 minutes).
Step‑by‑Step Guide: Enabling SEKM on PowerEdge Servers
Secure Enterprise Key Management (SEKM) provides centralized encryption key management for self-encrypting drives (SEDs).
- Generate CSR: Create a Certificate Signing Request (CSR) and have it signed by your Key Management Server.
- Enable Security on SED: Use RACADM to enable encryption on CPU-attached NVMe SEDs:
racadm -r 192.168.0.120 -u root -p P@ssw0rd --1ocertwarn storage encryptpd:Disk.Bay.15:Enclosure.Internal.0-1
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Verify Status: Use Redfish API or RACADM to confirm SEKM is active.
API Security Best Practices:
- Use TLS 1.2 or Higher: Dell recommends using only TLS v1.2 or TLS v1.3 for all API communications.
- Input Validation: All API inputs must be validated to prevent injection attacks.
- OAuth 2.0 Tokens: Use OAuth 2.0 tokens rather than static HMAC access keys for enhanced security.
- Certificate Management: Use CA-signed digital certificates with a minimum of 128 bits of security.
- Infrastructure as Code: Automating with Terraform and Ansible
Modern private cloud operations demand automation. Dell provides extensive support for Infrastructure as Code (IaC) tools, enabling teams to manage their private cloud infrastructure programmatically.
Available Automation Resources:
- Dell IaC Snippets Extension for VS Code: Provides over 2,000 lines of pre-built snippet code for Ansible modules and Terraform resources.
- Ansible Collections: Pre-built modules for PowerFlex and PowerStore automation.
- Terraform Providers: Support for PowerScale Terraform provider.
Step‑by‑Step Guide: Using Ansible to Deploy a PowerStore Volume
1. Install Dell Ansible Collection:
ansible-galaxy collection install dellemc.powerstore
2. Create Inventory File (`inventory.yml`):
all:
hosts:
powerstore-host:
ansible_host: 192.168.1.100
ansible_user: admin
ansible_password: "{{ powerstore_password }}"
validate_certs: false
3. Create Playbook (`deploy_volume.yml`):
- name: Deploy PowerStore Volume hosts: powerstore-host collections: - dellemc.powerstore tasks: - name: Create volume dellemc_powerstore_volume: name: "app-data-volume" size: 100 size_unit: "GB" storage_container: "default" state: "present"
4. Run the Playbook:
ansible-playbook -i inventory.yml deploy_volume.yml
Terraform Example – Provisioning PowerScale Storage:
provider "powerscale" {
host = "https://powerscale-cluster.example.com"
username = var.powerscale_username
password = var.powerscale_password
insecure = true
}
resource "powerscale_directory" "app_data" {
directory_name = "/ifs/app_data"
owner = "admin"
group = "wheel"
access_zone = "System"
}
Step‑by‑Step Guide: Using dellctl for Multi-Cluster Management
The `dellctl` CLI tool enables management of multiple remote clusters from a single interface.
1. Register a Remote Cluster:
dellctl cluster add --1ame production-cluster --endpoint https://cluster1.example.com
2. List Registered Clusters:
dellctl cluster list
3. Run Commands Against a Specific Cluster:
dellctl --cluster production-cluster get nodes
4. Register Multiple Clusters: You can register one or more remote clusters and run any `dellctl` command against them by specifying the registered cluster ID.
5. Multi-Cloud and Hybrid Strategy: Avoiding Vendor Lock-In
With 52% of IT leaders now considering multiple hypervisor options as a strategic approach to avoid vendor lock-in, the ability to support diverse ecosystems has become a business-critical necessity. Dell Private Cloud addresses this by providing a consistent foundation across VMware, Nutanix, and Red Hat environments.
Key Benefits:
- License Portability: The Dell Private Cloud software license is fully transferable, and compute and storage are reusable.
- BYOL Support: Bring your own cloud OS licenses and transition seamlessly across ecosystems.
- Investment Protection: Reuse existing Dell infrastructure to scale workloads without replacing hardware.
- Familiar Tools: Teams continue using familiar interfaces like vCenter or Prism UI.
Step‑by‑Step Guide: Deploying a Multi-Hypervisor Strategy
- Assess Workload Requirements: Identify which workloads are best suited for each hypervisor (e.g., VMware for legacy VMs, Nutanix for AHV-optimized workloads, Red Hat for containerized applications).
- Deploy Dell Private Cloud Foundation: Install the Dell Automation Platform with the base infrastructure (PowerEdge compute + PowerStore/PowerFlex storage).
- Provision VMware Outcome: Deploy the VMware vSphere outcome using the validated blueprint.
- Provision Nutanix Outcome: Deploy the Nutanix AHV outcome on the same infrastructure foundation.
- Manage Through Single Pane of Glass: Use Dell Automation Platform to manage both environments with consistent Day 0–2 lifecycle management.
Linux Command – Monitoring Multi-Cloud Environment:
Check storage utilization across environments curl -X GET "https://<DAP_IP>/api/v1/storage/volumes" -H "Authorization: Bearer $TOKEN" Monitor compute resource usage kubectl top nodes --context=redhat-cluster
Windows PowerShell – Managing Azure Local Integration:
Connect to Azure Local instance on Dell Private Cloud Connect-AzAccount -Environment AzureCloud List Dell filesystem resources az dell filesystem list --resource-group MyResourceGroup Create a new Dell filesystem az dell filesystem create --resource-group MyResourceGroup --1ame MyFileSystem --location eastus
What Undercode Say:
- Flexibility is the New Currency: The private cloud question is no longer “which platform?” but “how do I build infrastructure that adapts to changing requirements?” Dell Private Cloud’s disaggregated architecture provides the answer by decoupling compute and storage, enabling independent scaling and ecosystem choice.
-
Automation is the Great Enabler: With 90% fewer deployment steps and workload-ready clusters in 2.5 hours, Dell Automation Platform transforms private cloud from a months-long project into a streamlined, repeatable process. This allows IT teams to focus on innovation rather than infrastructure babysitting.
The shift from HCI to disaggregated infrastructure represents more than a technical evolution—it’s a strategic imperative. Organizations that lock themselves into rigid, single-vendor stacks will find themselves unable to adapt as business priorities shift, licensing models change, and new workloads emerge. Dell Private Cloud offers a path forward: an architecture that preserves optionality, protects investments, and enables the agility that modern enterprises demand.
Prediction:
- +1 The disaggregated private cloud model will become the dominant enterprise infrastructure architecture within 3–5 years, displacing traditional HCI as organizations prioritize flexibility and cost optimization over turnkey simplicity.
- +1 AI-driven automation and predictive analytics will further reduce operational overhead, with Dell Automation Platform evolving to include autonomous remediation and self-optimizing infrastructure capabilities.
- -1 Organizations that fail to adopt disaggregated architectures risk significant competitive disadvantage as they struggle to scale AI and containerized workloads efficiently, potentially facing 65% higher costs compared to disaggregated alternatives.
- +1 The multi-hypervisor strategy will become standard practice, with 80%+ of enterprises running at least two hypervisors by 2028 to mitigate vendor lock-in and optimize workload placement.
- -1 Security complexity will increase as multi-hypervisor environments expand, requiring enhanced Zero Trust implementations and automated compliance monitoring to maintain regulatory adherence.
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