Build on SharePoint

The blog of Sam Betts on SharePoint application development - full of lot's of useful info, guides, and various cats.

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  • Blog Post: SharePoint 2013 on SQL Server AlwaysOn, 2014 Edition

    SQL Server 2014 is out bringing with it enhanced AlwaysOn clustering, and is indeed already supported by SharePoint 2013 past SP1. Some new benefits in SQL Server 2014 are the reliability improvements for when connectivity is lost between nodes and also the ability to add a SQL Server instance hosted...
  • Blog Post: Building True Multi-Subnet Windows Server Failover Clusters

    Something you may have heard of if you know clustering at all is the idea of “multi-subnet clusters”; a capability introduced in Windows Server 2012 (if memory serves) to Windows Failover Clustering. It’s conceptually the same thing as a normal cluster; it’s designed to withstand an instance failure...
  • Blog Post: The “High-Availability SharePoint” Bible

    A big interest of mine is designing SharePoint farms to be highly-available through good architecture & solid design; something I’ve posted about quite a bit on this blog over time. This article summarises the high-availability strategies available for SharePoint and then touches on other common...
  • Blog Post: Stretched SharePoint Farms vs. Disaster Recovery SharePoint Farms

    Something I want to clarify is the difference between these types of “high-availability” SharePoint setups. The difference is fairly simple actually but people often get the two confused so I thought I’d write something quick about the subject, because the two designs are not nearly the same, very deliberately...
  • Blog Post: SharePoint 2013 + Distributed Cache (AppFabric) Troubleshooting

    Two messages you may have seen if you’ve administered SharePoint 2013 in anyway way about caching are “This Distributed Cache host may cause cache reliability problems” and/or “cacheHostInfo is null” from PowerShell. This article is about how to fix those errors & caching...
  • Blog Post: SharePoint AD Failover Review

    A key part of the SharePoint high-availability puzzle is a healthy and highly-available Active Directory; if AD dies then so does your SharePoint farm too, broadly speaking. However more specifically, that opening statement should really say “each and every SharePoint server needs AD failover” for the...
  • Blog Post: Multi-subnet Clustered SQL + RegisterAllProvidersIP + SharePoint 2013

    Those of us that have even the most passing knowledge of SharePoint will know that it needs a SQL Server instance to work at all. If SQL goes down it takes SharePoint with it which is why it’s quite common to have SQL clustered to make sure SQL stays alive at all costs. I’ve covered this before already...
  • Blog Post: Increasing Service Application Redundancy

    A key part of any high-availability strategy for SharePoint web-farms is making sure service-applications have more than one server to service them to increase back-end resiliency to a SharePoint server dropping off the network. This concept isn’t anything new to many SharePoint admins at least but in...
  • Blog Post: Patching SharePoint Farms with No Downtime

    Patching SharePoint farms is a rare occurrence but one that almost certainly will happen at some point or other, if only for the need to stay on a supported platform as time goes on. When patching SharePoint it’s necessary to take the entire farm offline at one point for reasons explained here...
  • Blog Post: Hot-Standby/Disaster-Recovery SharePoint Farms – Basic Setup & Failover

    Something that’s often required for high-availability SharePoint installations is the ability to failover to another web-farm entirely when needed because of a failure  of some kind on the 1st farm, or wanted because of maintenance taking the 1st farm offline completely. It’s simple enough in concept...
  • Blog Post: Farm Patching Explained – High Availability SharePoint

    SharePoint patching can be a non-trivial task and patching any SharePoint farm from one version to a newer version of the same product involves taking the entire farm offline at a certain point by necessity - this post explains when and why. Later we’ll look at how to avoid outages during patching...
  • Blog Post: SharePoint 2013 and SQL Server AlwaysOn - High Availability SharePoint

    What is AlwaysOn and why use it for SharePoint? Update : SQL 2014 + SharePoint 2013 (abridged) guide also available . AlwaysOn is a great new feature to SQL Server 2012 that allows consuming clients to have a mirroring and failover database solution all transparently for a single named instance...
  • Blog Post: Multi-Subnet SharePoint Farms - High Availability SharePoint

    Why is Multi-Subnetting Awesome? Having a SharePoint farm span across multiple subnets can improve the reliability of a SharePoint farm against networking failures. Reasons why a network could fail are mentioned below, but they are just another reason SharePoint can go offline and removing them as...
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