Posts related to clustering and high availability, including Windows Failover Clusters, Microsoft Clustering Service, Exchange clusters and Exchange server HA
Are you planning on deploying Exchange Server in a virtual environment, using hyervisors (aka hardware virtualization) such as Microsoft’s Hyper-V or VMWare’s ESXi/vSphere Hypervisor? Microsoft…
After a widespread outage earlier this month, Google’s Gmail web-based email service is reporting yet another outage today— this time affecting only “a small subset…
Google’s Gmail service had yet another widespread outage on Tuesday at 12:30 PM which lasted more than 3 hours between 100 minutes (according to Google)…
New whitepapers have been released today on TechNet. Whitepaper: Continuous Replication Deep Dive– written by Ross Smith IV and Scott Schnoll This whitepaper discusses the…
Standby Continuous Replication (SCR) is a new High Availability feature in Exchange Server 2007 SP1. It uses Continuous Replication (also used by LCR and CCR)…
Exchange Server 2007’s Cluster Continuous Replication (CCR) clusters are not dependent on shared storage (when used with MNS quorum and a File Share Witness in…
Besides Terry Myerson’s post on the team blog providing some details about SP1 (read previous post “Exchange Server 2007 SP1: A bag of goodies!“), there…
In previous versions of Exchange Server, Exchange Virtual Servers (EVSes) are not very different from standalone servers. Besides mailboxes, they can host protocol virtual servers…
To determine whether a mailbox server is clustered or standalone, and if clustered – whether it’s using Cluster Continuous Replication (CCR) or Single Copy Cluster…
Exchange Server 2007’s Cluster Continuous Replication (CCR) feature provides a way to set-up geographically-dispersed clusters to protect against data center failure (aka “site failure”). Though…