Articles about storage, backup, virtualization, technology, innovation, programming, leadership, management,... etc
Articles about storage, backup, virtualization, technology, innovation, programming, leadership, management,... etc
As an IT manager responsible for storage and datacenter operations, troubleshooting disk failures in RAID arrays requires a structured approach to ensure minimal downtime and data integrity. Here’s a step-by-step guide to troubleshoot disk failures in RAID arrays: 1. Verify Symptoms of Disk Failure Alerts: Check for alerts or notifications from the RAID controller, storage […]
Troubleshooting DNS resolution issues inside Kubernetes clusters can be challenging, but systematic steps can help identify and resolve the problem. Here’s a detailed guide: 1. Check Pod DNS Configuration Start by verifying the DNS configuration of the affected pod: – Get Pod’s DNS Info: bash kubectl exec -it <pod-name> — cat /etc/resolv.conf Look for: – […]
The Tier system for datacenters, established by the Uptime Institute, is a globally recognized standard for evaluating the reliability, availability, and redundancy of datacenter infrastructure. The tiers range from 1 to 4, with Tier 4 being the most robust. Below is an explanation of each tier: Tier 1 Datacenter Description: Basic infrastructure offering minimal redundancy. […]
Configuring DFS (Distributed File System) Replication in Windows Server involves several steps. DFS Replication is a feature that allows you to synchronize folders across multiple servers efficiently. Here’s a step-by-step guide to set it up: Prerequisites Ensure you have the DFS Management role installed on all participating servers. Open Server Manager > Add Roles and […]
Recovering accidentally deleted files on an ext4 file system can be challenging because ext4 does not natively provide an undelete feature. When a file is deleted, its metadata is removed, making recovery difficult. However, there are methods and tools you can try depending on the situation. Here’s a step-by-step approach: Immediate Actions After Deletion Stop […]
As an IT manager responsible for storage and IT infrastructure, understanding the differences between SAN, NAS, and DAS is crucial for making informed decisions about your organization’s storage needs. Here’s a breakdown of the three storage technologies and guidance on selecting the best option for your use case: 1. DAS (Direct-Attached Storage) Definition: DAS refers […]