Change Control Board Procedures

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Overview

This document details the technical specifications, performance characteristics, recommended use cases, and maintenance considerations for the Change Control Board (CCB) Server configuration. This configuration is designed to provide a highly reliable and performant platform for hosting the critical software and databases underpinning our change management processes. The CCB server is not a single physical entity but a documented, standardized build process resulting in a consistent, repeatable deployment. This document assumes a base operating system of CentOS 8 (with plans for upgrade to Rocky Linux 9 – see Operating System Support Policy).

1. Hardware Specifications

The CCB server configuration utilizes a dual-socket server platform to ensure high availability and redundancy. All components are sourced from Tier-1 vendors to maximize reliability. The following table details the key hardware specifications:

Component Specification Vendor Model Number Notes
CPU 2 x Intel Xeon Gold 6348 (28 Cores/56 Threads, 2.6 GHz Base, 3.5 GHz Turbo) Intel CM83747 Ice Lake Generation, AVX-512 support
Motherboard Supermicro X12DPG-QT6 Supermicro X12DPG-QT6 Dual Socket LGA 4189, 16 DIMM Slots
RAM 512 GB DDR4-3200 ECC Registered DIMMs (16 x 32GB) Samsung M393A4K40DB1-CWE RDIMM, Optimized for Intel Xeon Scalable Processors
Storage (OS) 2 x 480GB SATA III SSD Samsung MZ-76E480B/AM RAID 1 Configuration for OS redundancy. See RAID Configuration Standards
Storage (Database) 8 x 4TB SAS 12Gbps 7.2K RPM Enterprise HDD Seagate STHDS16000300 RAID 6 Configuration. Detailed RAID setup in Storage Redundancy Policy.
Storage (Backup) 2 x 8TB SATA III 7.2K RPM Enterprise HDD Western Digital WD180EFGX Used for local backups, integrated with Backup and Recovery Procedures.
Network Interface Card (NIC) 2 x 10 Gigabit Ethernet Intel X710-DA4 Teaming Configuration for redundancy and increased bandwidth. See Network Configuration Guide.
Power Supply Unit (PSU) 2 x 1600W 80+ Platinum Supermicro PWS-1600W-1R Redundant Power Supplies (N+1). Detailed power requirements in Power Management Policy.
Chassis 4U Rackmount Server Chassis Supermicro CSE-846 Optimized for airflow and cooling. See Thermal Management Guidelines.
RAID Controller Broadcom MegaRAID SAS 9460-8i Broadcom 9460-8i Supports RAID levels 0, 1, 5, 6, 10, and others.
Baseboard Management Controller (BMC) IPMI 2.0 Compliant Supermicro Integrated on Motherboard Remote management capabilities via IPMI Access Policy.

2. Performance Characteristics

The CCB server configuration is designed for high transaction processing and data integrity. Benchmarking was conducted using industry-standard tools and simulated production workloads. All benchmarks were performed following the guidelines in Performance Testing Methodology.

  • CPU Performance: SPECint_rate2017 = 1850, SPECfp_rate2017 = 1200. These scores indicate excellent performance in both integer and floating-point workloads, crucial for the CCB application's complex logic and reporting.
  • Storage Performance: RAID 6 array achieves sustained read/write speeds of 800 MB/s and 600 MB/s respectively, as measured using Iometer. IOPS (Input/Output Operations Per Second) averages 80,000 during peak load scenarios. Detailed storage performance reports are available in Storage Performance Reports.
  • Network Performance: Using iperf3, the 10 Gigabit Ethernet link demonstrates a sustained throughput of 9.4 Gbps. Latency is consistently below 1ms within the datacenter. See Network Latency Analysis for details.
  • Database Performance: Using a simulated production dataset (500GB database), typical query response times for critical reports are under 2 seconds. Transaction commit times average 50ms. These tests were conducted using PostgreSQL 13 (see Database Administration Guide).
  • Real-World Performance: Under typical load (approximately 200 concurrent users), the server demonstrates an average CPU utilization of 50%, memory utilization of 60%, and disk I/O utilization of 70%. This leaves ample headroom for peak load scenarios and future growth. Monitoring dashboards are available in System Monitoring Documentation.

3. Recommended Use Cases

This configuration is ideally suited for the following applications:

  • **Change Management Software Hosting:** The primary purpose – hosting the Change Control Board application and associated databases.
  • **Incident Management System Integration:** Supporting integration with incident management systems for automated change requests.
  • **Problem Management Data Analysis:** Providing a platform for analyzing problem management data to identify recurring issues and improve change processes.
  • **Configuration Management Database (CMDB):** Potentially hosting a smaller, focused CMDB related to change management. (Larger CMDB deployments may require a more robust configuration - see CMDB Server Configurations).
  • **Reporting and Analytics:** Generating detailed reports on change success rates, risk assessments, and compliance. This benefits from the high CPU and I/O performance.
  • **Development and Testing (Staging):** Creating a staging environment mirroring production for testing changes before deployment. (A slightly downscaled configuration may be suitable for development - see Development Server Configurations).

4. Comparison with Similar Configurations

The CCB server configuration represents a balance between performance, reliability, and cost. The following table compares it to two alternative configurations: a lower-cost, entry-level option and a higher-performance, premium option.

Feature CCB Server Configuration (This Document) Entry-Level Configuration Premium Configuration
CPU 2 x Intel Xeon Gold 6348 2 x Intel Xeon Silver 4310 2 x Intel Xeon Platinum 8380
RAM 512GB DDR4-3200 256GB DDR4-2666 1TB DDR4-3200
Storage (OS) 2 x 480GB SATA III SSD (RAID 1) 1 x 480GB SATA III SSD 2 x 960GB SATA III SSD (RAID 1)
Storage (Database) 8 x 4TB SAS 7.2K RPM (RAID 6) 4 x 4TB SATA 7.2K RPM (RAID 5) 12 x 8TB SAS 10K RPM (RAID 6)
Network 2 x 10GbE 2 x 1GbE 2 x 25GbE
PSU 2 x 1600W Platinum 1 x 850W Gold 2 x 2000W Platinum
Estimated Cost $25,000 - $35,000 $15,000 - $20,000 $40,000 - $50,000
Typical Use Case Production CCB Environment Small-Scale CCB Environment, Development Large-Scale CCB, High-Transaction Volume

The Entry-Level configuration offers lower cost but sacrifices performance and redundancy. It may be suitable for smaller organizations or development/testing environments. The Premium configuration provides significantly higher performance and scalability, but at a considerable cost increase. It is appropriate for organizations with very high transaction volumes or stringent performance requirements. Consider the total cost of ownership (TCO) when evaluating these options – see Total Cost of Ownership Analysis.

5. Maintenance Considerations

Maintaining the CCB server configuration requires adherence to established procedures to ensure continued reliability and performance.

  • **Cooling:** The server generates a significant amount of heat. The datacenter must provide adequate cooling to maintain operating temperatures within the specified range (18-24°C). Regular monitoring of server room temperature and airflow is crucial. See Datacenter Cooling System Monitoring.
  • **Power Requirements:** The dual 1600W power supplies provide redundancy but also require a dedicated power circuit capable of delivering at least 3.2kW. Uninterruptible Power Supply (UPS) protection is essential. See UPS Maintenance Schedule.
  • **Storage Maintenance:** Regular SMART monitoring of all hard drives and SSDs is required to detect potential failures. RAID array rebuilds should be initiated promptly if a drive fails. See Storage Maintenance Procedures.
  • **Software Updates:** Regular patching of the operating system, database software, and CCB application is critical for security and stability. Patching must be performed according to the Change Management Process.
  • **Backup and Recovery:** Regular full and incremental backups are essential for disaster recovery. Backup jobs should be monitored to ensure successful completion. See Backup Verification Procedures.
  • **Hardware Monitoring:** Utilize IPMI and other monitoring tools to track CPU temperature, fan speeds, power consumption, and other critical metrics. Set up alerts to notify administrators of potential issues. See Server Health Monitoring System.
  • **Physical Security:** The server must be physically secured within a locked rack in a secure datacenter. Access control procedures must be strictly enforced. Refer to Datacenter Security Policy.
  • **Preventative Maintenance:** Annual preventative maintenance, including cleaning dust from components and verifying cabling, is recommended. See Preventative Maintenance Checklist.
  • **Component Replacement:** Maintain a stock of critical spare parts (e.g., power supplies, network cards, hard drives) to minimize downtime in the event of a failure. See Spare Parts Inventory Management.
  • **Log Analysis:** Regularly review system logs for errors and warnings. Utilize centralized logging solutions for efficient analysis. See Log Management System.

This documentation is subject to change. Refer to the latest version on the internal wiki. RAID Configuration Standards Storage Redundancy Policy Backup and Recovery Procedures Network Configuration Guide Power Management Policy Thermal Management Guidelines IPMI Access Policy Operating System Support Policy Performance Testing Methodology Storage Performance Reports Network Latency Analysis Database Administration Guide System Monitoring Documentation CMDB Server Configurations Development Server Configurations Total Cost of Ownership Analysis Datacenter Cooling System Monitoring UPS Maintenance Schedule Storage Maintenance Procedures Change Management Process Backup Verification Procedures Server Health Monitoring System Datacenter Security Policy Preventative Maintenance Checklist Spare Parts Inventory Management Log Management System ```


Intel-Based Server Configurations

Configuration Specifications Benchmark
Core i7-6700K/7700 Server 64 GB DDR4, NVMe SSD 2 x 512 GB CPU Benchmark: 8046
Core i7-8700 Server 64 GB DDR4, NVMe SSD 2x1 TB CPU Benchmark: 13124
Core i9-9900K Server 128 GB DDR4, NVMe SSD 2 x 1 TB CPU Benchmark: 49969
Core i9-13900 Server (64GB) 64 GB RAM, 2x2 TB NVMe SSD
Core i9-13900 Server (128GB) 128 GB RAM, 2x2 TB NVMe SSD
Core i5-13500 Server (64GB) 64 GB RAM, 2x500 GB NVMe SSD
Core i5-13500 Server (128GB) 128 GB RAM, 2x500 GB NVMe SSD
Core i5-13500 Workstation 64 GB DDR5 RAM, 2 NVMe SSD, NVIDIA RTX 4000

AMD-Based Server Configurations

Configuration Specifications Benchmark
Ryzen 5 3600 Server 64 GB RAM, 2x480 GB NVMe CPU Benchmark: 17849
Ryzen 7 7700 Server 64 GB DDR5 RAM, 2x1 TB NVMe CPU Benchmark: 35224
Ryzen 9 5950X Server 128 GB RAM, 2x4 TB NVMe CPU Benchmark: 46045
Ryzen 9 7950X Server 128 GB DDR5 ECC, 2x2 TB NVMe CPU Benchmark: 63561
EPYC 7502P Server (128GB/1TB) 128 GB RAM, 1 TB NVMe CPU Benchmark: 48021
EPYC 7502P Server (128GB/2TB) 128 GB RAM, 2 TB NVMe CPU Benchmark: 48021
EPYC 7502P Server (128GB/4TB) 128 GB RAM, 2x2 TB NVMe CPU Benchmark: 48021
EPYC 7502P Server (256GB/1TB) 256 GB RAM, 1 TB NVMe CPU Benchmark: 48021
EPYC 7502P Server (256GB/4TB) 256 GB RAM, 2x2 TB NVMe CPU Benchmark: 48021
EPYC 9454P Server 256 GB RAM, 2x2 TB NVMe

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⚠️ *Note: All benchmark scores are approximate and may vary based on configuration. Server availability subject to stock.* ⚠️

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