InfoScale Availability using Veritas Cluster Server I/O Fencing Architecture Guide
Executive Summary I/O Fencing provides protection against data corruption and can guarantee data consistency in a clustered environment. Data is the most valuable component in today’s enterprises. Having data protected and therefore consistent at all times is a number one priority.
VCS support for Oracle Solaris Kernel Zones
Oracle Solaris introduced kernel zones feature in Oracle Solaris 11.2, which provides the flexibility, efficiency and isolation of Oracle Solaris Zones while adding the capability for each kernel zone to run in an independent kernel. Each kernel zone running on a host can be at a different kernel level and be updated individually.
Os novos caminhos da virtualização
A cada dia que passa, mais temos visto os antigos ambientes complexos e custosos serem resumidos a um grande sistema virtual. Ambientes antes limitados a hardware físico tem sofrido o boom da virtualização. O que era incomum, agora se tornou rotineiro. O que antes era impossível, hoje faz parte do nosso dia a dia.
Does all small business (SMB) and enterprise companies need an IT DR solution?
The answer is almost! Even the smallest business, if relying on IT systems for critical operations like sales, production, industrial control system, tax processing or electronic receipt, some kind of DR capability should be in place.Storage Foundation Cluster File System HA on VMware VMDK Deployment Guide
Storage Foundation Cluster File System (CFS) provides several advantages over a traditional file system when running in a VMware guest OS. The primary benefit is that multiple virtual servers (up to 64) using CFS can simultaneously access data residing on the same physical LUN or virtual disk.VVR - Sync e Async
Sempre que falamos sobre alta disponibilidade, nos vem à cabeça redundância e DR. Particularmente, sempre que vou em um cliente, e desenhamos uma solução em conjunto, ao perguntar sobre RTO e RPO, temos uma pausa. Como ter um RTO e RPO consistente, principalmente em sites DR remotos?Avoiding Service Interruption with I/O Shipping Technology
One of the new features that has been introduced within Storage Foundation Cluster File System HA 6.0.1 is I/O Shipping. This new feature improves resiliency across Cluster File System nodes reducing downtime and improving resiliency. I/O Shipping is about being able to ship I/O from one cluster node to another when a problem in the I/O path occurs.Do you believe your DR will work in a case of a disaster?
As a Disaster Recovery and High-Availability Consultant, I've participated in several disaster recovery exercises, for different customers in different industries, most of them large financial institutions, that are severely regulated here in Brazil and, I believe, all around the world.
