Category Archives: High Availability

Trigger APD on iSCSI LUN on vSphere


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I was testing various failure scenarios in my lab today for the vSphere Clustering Deepdive session I have scheduled for VMworld. I needed some screenshots and log files of when a datastore hit an APD scenario, for those who don’t know APD stands for all paths down. In other words: the storage is inaccessible and […]

The post Trigger APD on iSCSI LUN on vSphere appeared first on Yellow Bricks.

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Posted in 6.0, 6.5, 6.7, apd, ha, High Availability, PDL, Server, Storage, VMware, vsphere ha | Comments

vSphere HA Restart Priority


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I’ve seen more and more questions popping up about vSphere HA Restart Priority lately. I figured I would write something about it. I already did in this post about what’s new in vSphere 6.5 and I did so in the Stretched Cluster guide. It has always been possible to set a restart priority for VMs, […]

The post vSphere HA Restart Priority appeared first on Yellow Bricks.

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Posted in 6.5, BC-DR, ha, High Availability, restart, vSphere | Comments

Changing advanced vSphere FT related settings, is that supported?


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This week I received a question around changing the values for vSphere FT related advanced settings. This customer is working on an environment where uptime is key. Of course the application layer is one side, but they also want to have additional availability from an infrastructure perspective. Which means vSphere HA and vSphere FT are […]

Changing advanced vSphere FT related settings, is that supported?” originally appeared on Yellow-Bricks.com. Follow me on twitter – @DuncanYB.

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Posted in 6.0, 6.5, availability, BC-DR, ft, High Availability, VMware, vSphere | Comments

Changing advanced vSphere FT related settings, is that supported?


Advertise here with BSA

This week I received a question around changing the values for vSphere FT related advanced settings. This customer is working on an environment where uptime is key. Of course the application layer is one side, but they also want to have additional availability from an infrastructure perspective. Which means vSphere HA and vSphere FT are […]

Changing advanced vSphere FT related settings, is that supported?” originally appeared on Yellow-Bricks.com. Follow me on twitter – @DuncanYB.

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Posted in 6.0, 6.5, availability, BC-DR, ft, High Availability, VMware, vSphere | Comments

Can you use the management IPs as the isolation address for HA?


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There was a question on VMTN this week about the use of the management IP’s in a “smaller” cluster as the isolation address for vSphere HA. The plan was to disable the default isolation address (default gateway) and then add every management IP as an isolation address. In this case 5 or 6 IP’s would […]

Can you use the management IPs as the isolation address for HA?” originally appeared on Yellow-Bricks.com. Follow me on twitter – @DuncanYB.

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Posted in BC-DR, ha, High Availability, VMware, vSphere | Comments

Where’s the HA enforce VM-Host and Affinity rules option in vSphere 6.5?


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Last week on (VMware internal) Socialcast someone asked where the UI option is in vSphere 6.5 that allows you to enable the ability for vSphere HA to respect VM-Host Affinity and VM-VM Anti Affinity rules. In vSphere 6.0 there is an option in the Rules part of the UI as shown in the screenshot below. In […]

Where’s the HA enforce VM-Host and Affinity rules option in vSphere 6.5?” originally appeared on Yellow-Bricks.com. Follow me on twitter – @DuncanYB.

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Posted in 6.5, BC-DR, ha, High Availability, Server, vSphere | Comments

HA disabled VMs not registered on other hosts after failure?


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A couple of weeks ago one of our SEs asked me about vSphere HA functionality that was introduced a while ago, which is the ability to have HA disabled VMs being registered on other healthy hosts in a cluster after a failure. Not only does this apply to “HA disabled VMs” but also to powered-off […]

HA disabled VMs not registered on other hosts after failure?” originally appeared on Yellow-Bricks.com. Follow me on twitter – @DuncanYB.

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Posted in BC-DR, ha, High Availability, vSphere | Comments

vCloud: The Past Week in Review

Busy week? Catch up on all the topics you might have missed on the vCloud blog this week! Here’s the past week in review: vCloud Air Network Service Provider Spotlight: CenturyLink For this month’s vCloud Air Network Service Provider Spotlight, we featured CenturyLink, a Managed Services Provider whose services include rapid provisioning of interconnected IT […]

The post vCloud: The Past Week in Review appeared first on VMware vCloud Blog.

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Posted in Availability Services, High Availability, Hybrid Cloud, Object Storage, Storage, vCAN, vCloud Air Network, VMware vCloud Air Network Service Providers, Week in Review | Comments