These objects include resources, groups, resource types, nodes, networks, network interfaces, and volumes. Getting the details of these objects can be useful in diagnosing problems. The cluster has objects that are part of its configuration. As a bit of trivia, this format was chosen because it kind of looks like a Tie Fighter and we thought it looked cool. The sections of the cluster.log are encased in , which makes it easy to navigate down the log to each section by doing a find on “[=”. 'Get-ClusterLog -UseLocalTime' will generate in local time. The logs were generated using Coordinated Universal Time (UTC). UTC= localtime + time zone offset with daylight savings, the time zone offset of this machine is 420 minutes, or 7 hours This is not new, but it became obvious that it’s helpful to know if that parameter was used or not, so it’s noted in the log. TheĬauses the cluster.log to write timestamps that are already adjusted for the server’s time zone instead of using UTC. The top of the cluster.log notes whether the log was created using UTC or local time for the timestamps.
Specifically noting this offset in the log removes the guesswork related to the system’s time zone setting. In the example below, it notes that the server is set to UTC + a 7 hour offset (420 minutes). The Top of the cluster.log notes the UTC offset of the originating server.
We offer 2 enhancements in the cluster.log that makes this time zone and UTC offset easier to discover and work with: Therefore if you are in a time zone that is UTC+8 you need to look at the time stamp in the cluster log and add 8 hours. For instance, if you are in that time zone and a problem occurred at 1:38pm (13:38), UTC time stamp in the cluster log would be (21:38). The time stamps default to UTC (which some people call GMT). The cluster.log is a dump of the information from the system and captured in a text file. I’m including references and links to resources related to troubleshooting clusters and using the cluster log at the end of this blog. I’m going to highlight the enhancements to the information in the Windows Server 2016 cluster.log that will be the most interesting and useful to the general audience interested in troubleshooting failover clusters, and leave detailing every item in the log to a future blog(s). Other useful parameters are discussed in the rest of this blog. Parameter to cause the files to be copied to a specified directory with the Server’s name appended to the log name, which makes it much easier to get and analyze logs from multiple servers: The Cluster.log files can be found in theĭirectory (usually c:\windows\cluster\Reports) on each node. The output looks like this on a 3 node cluster: Is the Windows PowerShell cmdlet that will generate the cluster.log on each server that is a member of the cluster and is currently running. This is not new, but will be helpful information for those that aren’t familiar with generating the cluster log. This log is valuable for Microsoft’s support as well as those out there who have expertise at troubleshooting failover clusters.Īlways go to the System event log first, when troubleshooting an issue. Failover cluster posts events in the System event log that are often enough to understand the nature and scope of the problem. It also gives you the specific date/time of the problem, which is useful if you do look at other event logs or dig into the cluster.log if needed.
Event id 1146 microsoft windows failover clustering tools series#
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.įailover Cluster has diagnostic logs running on each server that allow in-depth troubleshooting of problems without having to reproduce the issue.
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