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DELL PowerEdge ESXi Hosts: LLDP Not Working With Intel X710 10GB Cards

  • Posted on May 10, 2018May 10, 2018
  • by Mohamad Alhussein

Recently I was engaged with a full vSphere migration for one of our customers (both hardware and software). We faced an issue getting Link Layer Discovery Protocol (LLDP) to work with the new PowerEdge R730 ESXi hosts. Let’s start with…

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  • VMware vSAN

VSAN Support for DELLEMC BOSS Controller

  • Posted on March 29, 2018March 29, 2018
  • by Mohamad Alhussein

Greetings, Great news from DELLEMC for VSAN users today ! I have encountered several limitations in VSAN designs using DELLEMC Poweredge servers where using PERC H730 controllers will enable you to operate either in RAID0 or pass-through mode but not…

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  • VMware vSAN

VMware vSAN & vSphere HA – Best Practices

  • Posted on March 25, 2018March 25, 2018
  • by Mohamad Alhussein

In this post, we are going to demonstrate the best practices regarding vSphere HA configuration on a vSAN-enabled cluster. Configuration Order vSAN and vSphere HA must be configured in a specific order: – vSAN must be enabled before vSphere HA…

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  • VMware vSAN

Coredump Partition Sizing on a VSAN 6.6 ESXi Node

  • Posted on March 22, 2018March 22, 2018
  • by Mohamad Alhussein

In one of my VSAN design engagements, we have VSAN 6.6 ESXi nodes with 512GB RAM while ESXi is installed on internal SD-Cards. The customer is planning to scale up RAM to 1TB per host, and to scale over with…

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  • VMware vSAN

VSAN Considerations with PERC R730 RAID Controllers

  • Posted on March 22, 2018March 22, 2018
  • by Mohamad Alhussein

I have been working on a VSAN design and deploy engagement for one of our customers, and we went up having some limitations and decisions that have to be taken into consideration especially with the device selection for ESXi boot,…

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  • VMware vSAN

VMware VSAN & Boot Devices considerations

  • Posted on March 13, 2018
  • by Mohamad Alhussein

Recently, I have been engaged in multiple VSAN HCI projects designs. One of the most interesting decisions to take was the kind of boot devices that will hold the ESXi installation as this will introduce a bunch of  discussions that…

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  • VMware vExpert

vExpert 2018 Award Announcement

  • Posted on March 11, 2018March 13, 2018
  • by Mohamad Alhussein

Finally, VMware announced the list of vExperts for 2018 on the 9th of March. For me as a first timer, I was really honored and delighted to join such a community that is unlike any other in professional IT.   Many…

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  • VMware vRealize Log Insight

VMware vRealize Log Insight Error Hostd: [LikewiseGetDomainJoinInfo:354] QueryInformation()

  • Posted on February 8, 2018February 8, 2018
  • by Mohamad Alhussein

For those of you who do not know vRealize Log Insight. It is a log collector and analyzer, with a pretty, simple and intuitive GUI. An easy way of managing logs and messages from all your datacenter devices. Best of…

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  • VMware vSAN

VMware vSAN Stretched Cluster Failure Scenarios

  • Posted on January 16, 2018
  • by Mohamad Alhussein

Introduced in vSAN 6.1, stretched clusters can be used in environments where disaster and downtime avoidance is a key requirement. It protects virtual machines across data centers, not just racks. A stretched cluster extends across the following sites: Two active-active…

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  • VMware vSphere

Isolated vCenter 6.5 HA nodes “Failed to ssh connect peer node x.y.z.w”

  • Posted on January 11, 2018January 11, 2018
  • by Mohamad Alhussein

Introduction: Prior to vSphere 6.5, Windows Failover Cluster and Fault Tolerance (after it was improved to support 4 vCPU in vSphere 6.0) were two applicable methods to protect vCenter. These didn’t provide a real HA for vCenter as FT is…

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About This Site

This is the personal blog of Mohamad Alhussein. It is dedicated to my views and opinions on the various areas of the datacenter while emphasizing virtualization. It also serves as a learning tool for me to document deployments, configurations, and share possible solutions for the issues I encounter.

The opinions expressed on this site are solely mine and and does not necessarily reflect those of my employer.

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