Monitoring your Swift cluster health OpenStack Swift is an object storage solution with a focus on availability, even if parts of the cluster are not accessible. There are a bunch of mechanisms inside Swift to protect stored data and ensure a high availability. However, this comes not for free. Swift itself assumes that there will… Continue reading Monitoring your OpenStack Swift cluster health
MariaDB Galera cluster : Best practices
MariaDB Galera cluster is a synchronous multi-master cluster with many intriguing features like synchronous replication, active-active multi-master topology, automatic node provisioning, etc. This presentation will cover many of the best practices including pitfalls that Database Administrators and DevOps must keep in mind while managing the MariaDB Galera cluster. …Full session details here:
Platform as a Service (Kubernetes/Mesos + Openstack)
Openstack provides a really good and robust infrastructure as a service however doing Platform as a Service is the next challenge on the cloud architecture. Apache Mesos is a highly available resource management software for datacenters which can run on top of any cloud, physical server or container. Google Kubernetes is a cluster containter management… Continue reading Platform as a Service (Kubernetes/Mesos + Openstack)
How to setup Multi Site SQL 2012 AlwaysOn Cluster with Two FCIs Across Datacenters?
In this how-to tutorial, we will look at implementing multi-node, multi-site SQL 2012 AlwaysOn Windows Server Failover Cluster (WSFC) with two Failover Cluster Instance (FCI) across two geographically dispersed datacenters for High Availability (HA) and Disaster Recovery (DR). I am currently working on a project where we’re going to upgrade from previous version of SQL… Continue reading How to setup Multi Site SQL 2012 AlwaysOn Cluster with Two FCIs Across Datacenters?
Nexenta Powers Nordisk Systems’ NS4000 HA Cluster Unified Storage Appliance
Nexenta Systems, the world leader in OpenStorage solutions, today announced its NexentaStor technology is powering Nordisk Systems’ NS4000 Clustered Unified Storage Appliance. This partnership, which began in 2009, combines Nexenta’s ZFS-based NexentaStor with Nordisk Systems’ NS4000 Peta Scale Architecture™. The result is a powerful and easily scalable system that stores mission-critical information with ease. The… Continue reading Nexenta Powers Nordisk Systems’ NS4000 HA Cluster Unified Storage Appliance
HC3: Servers, Storage and Virtualization Seamlessly Integrated Into a Single Cluster for Applications
VMworld US 2012 Booth #1941 Scale Computing, the leading provider of seamlessly integrated IT infrastructure for small to medium-sized organizations, today announced at VMworld 2012 the availability of HC3 – the easiest, most affordable virtualization system for midsize companies. With no virtualization software to license and no external storage to buy, HC3 lowers out of… Continue reading HC3: Servers, Storage and Virtualization Seamlessly Integrated Into a Single Cluster for Applications
Turn off Network redundancy message when configuring VMware HA/DRS
In my lab, when configuring VMware vSphere 5 HA/DRS in vCenter Server, you see the message under the “summary” tab in vSphere Client: Configuration issues: This host currently has no management network redundancy This message appears if VMKernel port does not have network redundancy configured at all or not configured properly. Normally, in production environment,… Continue reading Turn off Network redundancy message when configuring VMware HA/DRS
IBM Closes on Acquisition of Platform Computing
IBM (NYSE: IBM) today announced it has completed the acquisition of Platform Computing, a privately held company headquartered in Toronto, Ontario, Canada. Financial terms were not disclosed. On October 11, 2011, IBM announced that it had entered into a definitive agreement to acquire Platform Computing, a global leader in cluster, grid and cloud management software… Continue reading IBM Closes on Acquisition of Platform Computing