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Common VSAN health check issues and resolutions

WebThis is documented in the latest version of the Health Check Guide. KB 2133384 – health check fails to load with “Unexpected status code 400”. This is most commonly related to certificates, and the …

Actived: 3 days ago

URL: https://cormachogan.com/2015/10/21/common-vsan-health-check-issues-and-resolutions/

vSAN 7.0U1 – Object Format Health Warning after Disk Format …

WebBelow is an example of the type of warning that is displayed in the health checks when such an object is discovered on the vSAN datastore after upgrading to disk …

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Component Metadata Health – Locating Problematic Disk

WebThe following is an example on how you can locate the physical device on which a component of an object resides. First, using vsan.cmmds_find, search on the …

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TKG v1.4 & NSX ALB – Ingress Health Monitor Anomaly

WebThere will be one for port 80 and another for port 443. In the settings section, on the lower left hand side you will see the Health Monitors configuration, which will be …

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Announcing the Virtual SAN 6.0 Health Check Plugin

WebToday VMware announces the Virtual SAN 6.0 Health Check Plugin, a feature that will check your Virtual SAN configuration, both proactively and re-actively, …

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Announcing Virtual SAN Health Check Plugin 6.0 Patch 1

WebAnnouncing some important news for VSAN 6.0 users, especially those using the VSAN Health Check Plugin. If you are using the Virtual SAN Health Check Plugin …

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VSAN 6.1 New Feature – Handling of Problematic Disks

WebThe more observant of you may have observed the following entry in the VSAN 6.1 Release Notes: Virtual SAN monitors solid state drive and magnetic disk drive …

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Understanding recovery from multiple failures in a vSAN stretched

WebSo now lets discuss what happens when we introduce multiple failures. Failure 1 – break the vSAN network between the data sites. When we have a split-brain situation …

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Another recovery from multiple failures in a vSAN stretched cluster

WebRecovery 1 – restore the witness to both the data sites. After recovering the witness, I see that it forms a cluster with the 3 hosts that are on my preferred vSAN …

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vROps Management Pack for Virtual SAN

Webby Cormac June 11, 2015. Virtual SAN already has a number of features and extensions for performance monitoring and real-time diagnostics and troubleshooting. In particular, …

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Native File Services for vSAN 7

WebAnd so we come to vSAN File Services. vSAN File Services, available in vSAN 7, now has the ability to create file shares. Initially these file shares will be …

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What's new in vSAN 6.6

WebvSAN 6.6 is finally here. This sixth iteration of vSAN is the quite a significant release for many reasons, as you will read about shortly. In my opinion, this may be the …

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New vSAN Management Pack for vRealize Operations

WebWell, for those customers who are only interested in monitoring vSAN, and didn’t want all the other parts of the MPSD, the new vSAN Management Pack is now a …

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vSAN 6.7 U3 New Advanced Options

Webby Cormac September 13, 2019. Today’s blog post highlights two new Advanced Option in vSAN 6.7 U3. The first of these is Large Cluster Support. Today, in vSAN 6.7 U3, we are …

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Debunking some behavior “myths” in 3 node vSAN cluster

WebI recently noticed a blog post describing some very strange behaviors in 2-node and 3-node vSAN clusters. I was especially concerned to read that when they …

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VSAN Part 17 – Removing a Disk Group from a Host

WebThe reason for this is because the cluster is still setup in ‘Automatic’ mode, which means that if we removed a disk group, VSAN would immediately claim the disks …

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VSAN 6.2 Part 9 – Replacing the witness appliance

WebThere might be a reason in VSAN stretched cluster environments or in 2-node VSAN ROBO deployments to change the witness appliance. The one thing to keep in …

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vSAN File Service & Kubernetes PVs with an implicit quota

WebIf we examine this persistent volume via the vSphere client, we can see that it appears to have an implicit quota associated with it (the Usage/Quota field) And now if …

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Upgrading VSAN Stretched Cluster from 6.1 to 6.2

WebVSAN 6.2 Part 8 – Upgrading VSAN Stretched Cluster from 6.1 to 6.2. This is an exercise that we ran through in our lab environment, and we thought that the steps …

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VSAN Stretched Cluster – some possible warnings

WebThis is another warning you will see when VSAN stretched cluster is configured with VSAN 6.1/vSphere 6.0U1. This issue has also been resolved and a …

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A closer look at vSphere with Tanzu networking with NSX-T

WebA closer look at vSphere with Tanzu networking with NSX-T. This post continues to build on some of the other work already done on vSphere with Tanzu and …

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Tech Preview of EMC’s XtremIO Flash Storage Solution

WebThere is no doubt that Flash is hot right now. Over the past number of months, we have seen IBM acquire Texas Memory Systems (TMS), HDS unveil their …

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