Troubleshooting Hangs Using Live Dump

In this blog post we discussed what a Cluster Shared Volumes (CSV) event ID 5120 means, and how to troubleshoot it. In particular, we discussed the reason for auto-pause due to STATUS_IO_TIMEOUT (c00000b5), and some options on how to troubleshoot it. In this post we will discuss how to troubleshoot it using LiveDumps, which enables debugging the system… Read more

Windows Server 2016 Failover Cluster Troubleshooting Enhancements – Active Dump

Active Dump The following enhancement is not specific to Failover Cluster or even Windows Server.  However, it has significant advantages when you are troubleshooting and getting memory.dmp files from servers running Hyper-V. Memory Dump Enhancement – Active memory dump Servers that are used as Hyper-V hosts tend to have a significant amount of RAM and… Read more

Windows Server 2016 Failover Cluster Troubleshooting Enhancements – Cluster Log

Cluster Log Enhancements This is the first in a series of Blogs that will provide details about the improvements we have made in the tools and methods for troubleshooting Failover Clusters with Windows Server 2016. Failover Cluster has diagnostic logs running on each server that allow in-depth troubleshooting of problems without having to reproduce the… Read more

How to Run ChkDsk and Defrag on Cluster Shared Volumes in Windows Server 2012 R2

Cluster Shared Volumes (CSV) is a layer of abstraction on either the ReFS or NTFS file system (which is used to format the underlying private cloud storage). Just as with a non-CSV volume, at times it may be necessary to run ChkDsk and Defrag on the file system. In this blog, I am going to… Read more

Understanding the state of your Cluster Shared Volumes

Cluster Shared Volumes (CSV) is the clustered file system for the Microsoft Private cloud, first introduced in Windows Server 2008 R2. In Windows Server 2012, we radically improved the CSV architecture. We presented a deep dive of these architecture improvements at TechEd 2012. Building on this new and improved architecture, in Windows Server 2012 R2,… Read more