Articles about storage, backup, virtualization, technology, innovation, programming, leadership, management,... etc
Articles about storage, backup, virtualization, technology, innovation, programming, leadership, management,... etc
Configuring LUN masking and zoning on a Storage Area Network (SAN) secures and optimizes storage access. Here are the steps. 1. Prerequisites Administrative access to your SAN fabric (via the SAN switch management interface) and storage array management tools. Know the Host Bus Adapter (HBA) World Wide Names (WWNs) or iSCSI Qualified Names (IQNs) for […]
Troubleshooting firewall rule conflicts in IT infrastructure requires a systematic approach to identify and resolve the issue effectively. Here’s a step-by-step guide: 1. Understand the Environment Identify where the firewall sits (datacenter edge, internal zones, Kubernetes cluster, etc.). List the systems, servers, and applications affected by the firewall rules. Confirm who manages the rules (network […]
Step 1: Assess and Plan Evaluate source and target hypervisors Understand the features, compatibility, and limitations of each platform (e.g., VMware ESXi, Microsoft Hyper-V, KVM, Xen). Identify critical workloads Categorize workloads by importance and downtime tolerance to prioritize migrations. Check compatibility Verify VM configurations (CPU, RAM, disk types, network adapters) are supported on the target […]
Step 1: Assess Requirements Identify the number of users, document types, access levels, and collaboration tools required. Verify the solution meets regulatory requirements (e.g., GDPR, HIPAA, ISO 27001). Step 2: Design the Architecture Centralized Storage Use a high-performance NAS or SAN for document storage. Implement file sharing protocols such as SMB (Windows) or NFS (Linux). […]
Recover deleted files from backups by following these steps: 1. Assess the Situation Double-check whether the files were truly deleted or just moved. Identify the backup system used: local storage, cloud, tape, or snapshot-based backups. 2. Check Backup Retention Policies Verify the deleted files fall within the retention window. Confirm the date and time of […]
Troubleshooting replication errors is a core skill when you’re responsible for high-availability systems that must keep data consistent across environments. Here’s a systematic approach to isolate and fix them: 1. Understand the Replication Setup Replication Type: Determine the type (synchronous, asynchronous, block-level, file-level, application-level). Components Involved: Identify the systems, servers, and storage devices participating (databases, […]
