VMware Vsphere HA (problem of storage in common) and problem of band network bandwidth

Hi all

I am setting up VMware VSphere HA on ESXI 6.0

I have 5 hosts running, each host has 2 management networks main network 1 vMotion and 1 network card for balancing with the management network. (each NIC 1Gbit uplink)

I also attached to each card a FC (Fiber Channel) connected to HP 3PAR storage.

each host have 1 TB or 2 TB Fiber Channel-attached storage.

When I was setting up the AP he stated that he did not have any shared how storage can I allow other hosts to see each store data as a shared storage. NB: when I go vsphere client to web I see all the storage of each host.

I also want to allow FT on a virtual machine, I have also a problem of bandwidth insuffisent or something. .

also, I enabled fault tolerance on each NIC attached to the host.

also another question: should I export volumes (LUNS) to all hosts in the AP? (in fact I exported each volume to each host separately) for example:

Volume 1: HP3PAR_ESX1 exported to HOST ESX1

Volume 2: HP3PAR_ESX2 exported to the ESX2 HOST

Volume 3: HP3PAR_ESX3 exported to ESX3 HOST

.. .etc

can you me clear on this issue or guide me to where I can solve these problems please.

When I try to activate the FT on the VM I the following warning attached

This message was edited by: coolirc attached image FT problem

There are memory FT requirements compatible VM is through two virtual, primary and secondary computers. so it will consume the same amount of resources of both ESXi hosts.

VM with 10 GB of RAM allocation, turn on FT booking VM is now 10 GB RAM, so 10 GB + VMkernel consumption General host running primary VM and same amount of the host that is running with secondary VM. on top of this admission control in support of the failures of host we are going to tolerate so say primary VM host fails, then secondary VM becomes the new primary and triggers a new high school to be created and powered in one of the other host survivor in your HA cluster but which will be successful only when you have sufficient resources available to satisfy a reservation.

your source host has 16 GB of RAM and one of the destination host also got 16 GB of RAM, so if you try to activate pi after disabling admission control on your cluster policy, I think that it should allow you to activate FT without errors. [if it still does not work so if possible, turn off all other virtual machines for free resources or to try to reduce their reservation manually if they are running with a reservation and try again.]

with admission control, the necessary resources would be even higher.

screenshot of Cluster summary reports that you have 4 guests in it and the memory resources available about 30 GB to 60 GB total memory. But isn't always the right figure, if you go to the monitor-> book resources, is where you will find actual "ready reserve", it's the right amount of reserve memory that you will be able to use across several virtual machines, you run in your cluster.

I tried 2 vCPU vm FT in vSphere 6, works very well, but never tried with Hardware version 8, in your case, your virtual machine is hardware version 8, although I'm not sure if it is mandatory to have the hardware version 11 VM for FT so ideally it should work, but virtual hardware version if possible vm upgraded to 11.

Tags: VMware

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