Articles about storage, backup, virtualization, technology, innovation, programming, leadership, management,... etc
Articles about storage, backup, virtualization, technology, innovation, programming, leadership, management,... etc
1. Redundant infrastructure Power: Deploy UPS units, backup generators, and dual power feeds for continuous supply. Network: Use multiple ISPs and redundant paths (BGP) to prevent connectivity loss. Cooling: Implement N+1 or 2N cooling redundancy to handle equipment heat during failures. 2. Disaster recovery and backup Back up critical systems and data regularly; store copies […]
Configuring high availability (HA) for critical servers keeps downtime to a minimum when hardware or software fails. The approach depends on your application requirements, server types, and the technologies you’re running. Here’s how to think through it. 1. Assess Criticality and Requirements Identify which servers and applications need high availability — database servers, web servers, […]
Run DR drills to verify your backups actually work. Here’s how to structure them: 1. Plan the Disaster Recovery Drill Define Objectives: Determine what you want to achieve (e.g., testing specific backup systems, recovery time objectives (RTO), recovery point objectives (RPO), or identifying gaps in the process). Scope: Decide which systems, applications, and data sets […]
Network Access Control (NAC) ensures only authorized devices and users reach your network. It enforces policy, blocks unauthorized access, and reduces risk from malware and data breaches. Here’s how to configure it in your environment. 1. Define Your NAC Objectives Security: Protect sensitive systems and data. Compliance: Meet regulatory requirements (e.g., GDPR, HIPAA). Visibility: See […]
Start by confirming the symptom and narrowing the scope. 1. Verify Symptoms Measure packet loss with ping, traceroute, or mtr between the two servers. Check application behavior: look for delays, dropped connections, or data inconsistencies that correlate with the loss. 2. Analyze the Network Path Check physical connections — cables, ports, and switch interfaces — […]
Optimizing IT infrastructure for high-performance computing (HPC) means matching hardware, software, and operations to your actual workloads. Skip the generic checklists — start with what your codes need. 1. Assess Requirements Analyze the specific HPC workloads — simulations, AI/ML training, financial modeling, genomics — to determine hardware and software requirements. Identify critical performance metrics: compute […]
