VMware ESXi Queue Depth – Overview, Configuration And Calculation

Source : http://www.teimouri.net/

http://www.teimouri.net/vmware-esxi-queue-depth-overview-configuration-calculation/

VMware VSAN 6.5 - Is it a Ceiling Breaker in Software Defined Storage??? Read on my blog..

VMware VSAN is all set to cater Non-VMware iSCSI Servers..
This is great news.. Till now VSAN Storage cater to only VMware ESX hosts.
With this release (VSAN 6.5)..

VMware opened doors to serve VSAN to your Traditional servers in the Data Center..
So, Building Enterprise Storage (VSAN) - few clicks (vmware simplicity again)..
Mapping iSCSI LUNs to Hosts is few clicks.. (Awesome)

1) Accelerate Responsiveness
Updaed VSAN API & Power CLI empower you better accelerate repeated jobs..

2) 20-50% Additional TCO Savings
Better licensing models of VSAN for small offices like ROBO also..

3) Increased Flexibility
This is what I mean by, VSAN is open to Non-VMwaer servers also.
(Ex: Map iSCSI volume to linux, windows, unix, etc) - Love this

4) Support of Next-Gen Products
Containers & Kubernate compatibility

5) Next-Gen Hardware Support
VSAN 6.5 supports 512e HDDs (Larger capacity suppport),
NVMe Disks - for high throughput of IOPS (150k IOPS per host)

De-Duplication, Compression, Erasure Coding, Storage Policy Based Mgmt, etc.. is still there..

Are you excited, Read further on below URL..
https://blogs.vmware.com/virtualblocks/2016/10/18/vmware-virtual-san-6-5-whats-new/

VMware On Premise Cloud & Dedicated ESX Servers at AWS (On Demand)

VMware On Premise Cloud & Dedicated ESX Servers at AWS (On Demand) - Makes together a Strong Hybrid Cloud.. VMware & AWS partnered to deliver wonderful Hybrid Cloud Experience.. What else you need.. it will be seamless IT Infrastructure.. 1) https://www.youtube.com/watch?v=CUm9iRhQZJE (Demo Released on 13-Oct-2016)
a) Witness to "vmotion / migrate a Local data center VM to AWS" b) Behind the scenes, they are doing "linked vcenter mode" to achieve this.. c) Elastic DRS also will allow to load balance vms
(migrates vms from local data center ESX hosts to AWS ESX hosts) Love it Elastic (Amazon) DRS (VMware).. 2) https://techcrunch.com/2016/10/13/vmware-cloud-on-aws/ 3) https://aws.amazon.com/vmware/

VCSA is getting refined & becoming more stable.. True Enterprise Class

Some of the features mentioned in this Reddit thread based on VMware announcements in the break-out session INF8225 “vCenter and PSC guide to the galaxy” are:

1. Active/Passive HA functionality for vCenter (VCSA only)
2. Builtin monitoring web interface for the VCSA
3. Builtin backup/restore of all VCSA configuration.
4. VMware Update Manager integrated in VCSA (no Windows required)

Fore more info.. check out below URL

http://up2v.nl/2016/09/02/vmware-vsphere-6-5-to-be-announced-at-vmworld-barcelona/

VLAN Cheat Sheet for VMware & Cisco

Are you surprised, what Network Admin will do behind Scenes - Here you go.. ??

Usually VMware admins, create port group (with vlans) on Standard vSwitch or distributed virtual switch, But how the vlan Traffic will be across physical switches, How is the configuration on Physical switches.. read on..

http://www.42u.ca/2016/05/12/vlan-cheat-sheet-for-vmware-cisco/

Few VM memory pages are swaped, can we unswap them and ask to use Real Memory (after fixing memory crunch)??

Most of VMware administrators might have faced this before..
In few cases, VM's get SWAP Memory from DataStore (Instead of memory - from ESX DIMMs).

1) This could happen due to Multiple ESX hosts are down in cluster at same time (though abnormal),
2) Some time, Improper Sizing issues on Cluster level. (Design problems)
3) Unintended Memory reservations on Multiple VM's (May be by mistake / improper calculations)
4) Any other Memory issues on ESX hosts, etc..

Either of the above cases, ESX could not supply Real Memory (via ESX DIMM) to respective VM's.
Instead they supply Memory from "Datastore - Swap space"..

Previously we faced this issue, few VM's went into SWAP (memory from datastore space)..
But the real issue got resolved like "Recovered ESX hosts, Added Memory to Cluster, Adjust Abnormal Memory Reservations, etc".. By doing so, We should have enough free Memory on ESX Memory Pool / Cluster Memory Pool. But the VM's already taking memory from "Datastore SWAP", will not revert & they dont grab memory from "ESX DIMMs"..

In order to resolve this problem (VM's using SWAP memory from datastore), we had to Reboot the Specific vms, But now something is out there as per VMware (though it's not fully supported), but working decently.. Read at below URL for more details..

http://www.yellow-bricks.com/2016/06/02/memory-pages-swapped-can-unswap/

Docker Volume Driver for vSphere

will allow customers to address persistent storage requirements for Docker containers in vSphere environments.

http://cormachogan.com/2016/06/01/docker-volume-driver-vsphere/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed:+cormachogan+(CormacHogan.com)

How to launch a Micro VM via VMWare Photon..

http://www.virtuallyghetto.com/2016/04/test-driving-vmware-photon-controller-part-2-deploying-first-vm.html

MicroSD card RAID 1 as VMware ESXi boot device - Awesome & Need of the Hour for Enterprise Grade OS

If you install ESXi on a microSD card and if you use HP Proliant Servers you may be interested in the “HP Dual 8GB MicroSD Enterprise Midline USB” (HP P/N: 741281-002).

This dual-microSD card module provides data redundancy through a mirrored RAID 1 configuration. You connect the module to the internal USB port and install ESXi as usual!

More to read here..

http://www.running-system.com/microsd-card-raid-1-vmware-esxi-boot-device/

vmware https://www.cloudcredibility.com - Must visit

https://www.cloudcredibility.com

CloudCred is the hub for all things cloud related. The game is your gateway to building your cloud expertise, broadening your professional network and earning rewards and certifications based on your CloudCred score.

Earn rewards for the things you know about the cloud and learn the things you don’t.

CloudCred is more than a fun way to flex your cloud skills and earn bragging rights. It’s a way to rack up on rewards and get certifications that can help you grow professionally.

Getting started with Photon OS and vSphere Integrated Containers - by

• Photon OS – a minimal Linux container host designed to boot extremely quickly on VMware platforms.
• vSphere Integrated Containers – a way to deploy containers on vSphere. This allows developers to create applications using containers, but have the vSphere administrator manage the required resources needed for these containers.

Part 1: Deploy Photon OS

Part 2: Deploy vSphere Integrated Containers (VIC) v0.1

Part3: See the Live Action - Container in vCenter Server (Just like a VM Right!!)

Learn more at below URL :

http://cormachogan.com/2016/04/07/getting-started-photon-os-vsphere-integrated-containers/