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vSphere Fundamentals (vCenter Clients (No more C# client, Flash Client - …
vSphere Fundamentals
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ESXi Hypervisor
Installed in the physical host or in a VM to created a Nested Environment Which then can run a vCenter instance
DCUI (Direct Console User Interface)
Used to configure the ESXi (IP Address, Name, etc)
Once the ESXi host is configured, we can then add it to our vCenter appliance
Host Client (HTML5) can be used to manage the host directly NO vCENTER INVOLVED
(this is how we manage Rob's host in Dub office)
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Update Manager
- Automates the patch and version management of vSphere updating ESXi hosts, VMs and OVAs
- Must be registered with a vCenter Server, can be on the same server as vCenter
- ALREADY INCLUDED in VCSA 6.5+
- Allows to Centralize and automate patch and version Management in vSphere
Needs to be connected to a Download Source, which is where the Update Mgr will receive the patches from
Dynamic Baseline - A list that contains a list of all the necessary updates received from the Download Source
A Fixed Baseline is also available, and patches on it must be manually added
Extension Baseline is a Dynamic Baseline that we include extra patches or softwares to customize it (3rd softwares, etc)
We then attach this baseline to objects in vCenter and scan them to check for compliance against the baseline.
If hosts are not compliant, Update Mgr will then install the missing patches to remediate it (HOL exercise)
Can be used with DRS (Distributed Resource Scheduler) to avoid any VMs downtime.
DRS will vMotion all VMs in the ESXi host to another ESXi host prior to the update take place
vCenter Deployment
vCenter Server Appliance (VCSA) (As an appliance)
Comes pre-configured as a VM that can be deployed on top of a ESXi host
Linux-based (No windows license required)
Easiest to install & upgrade
Supports HA & FT
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Networking
Beacon Probes helps to detect continuity by receiving the probes from the other vNICs. If not, it disables that vNIC
vSwitch
Standard
TCP/IP Stack
- DNS & Default Gateway. Allows to redirect traffic depending on activity. e.g. send to a router instead of another VM
Distributed
- Only available with Enterprise+ editions
Uplink
- Is the ESXi host PHYSICAL NIC
- Each NIC can only be linked to 1 vSwitch
- 1 vSwitch can be linked to multiple Uplinks for FT
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Content Libraries
A repository of Templates & ISO Imgs (OVA)
Can be shared between multiple vCenter Servers
so a common place ofr Templates, OVAs and ISOs can exist
Deployment
1st -Create the Content Library
in the Original vCenter Server
2nd- Connect to the other vCenter(s)
in Hybrid Linked Mode
3rd - Publish the Content Library in the 1st Server
4th - Get the link and shared that with the other vCenter servers
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