VMware VIB Updates

Let me know if this sounds right. the VIB handles pushing through software updates, drivers etc to the ESXI hosts? Or am I understanding this wrong and the VIB is the image created for hosts? I need a dummy version of how VIB is used. Our environment we don't ever do much aside from monitor logs/resources/events and add the occasional VM. Should we be doing more as far as a maintenance stand point?

Also, a bunch of updates came through for the ESXI hosts. Most seem to deal with patches in VIB and some seem to relate to issues related to VMs, OS on VMs. It seemed like a lot of issues with commands that could be run were fixed, but none of that looked familiar.

Im curious how to treat ESXI host updates and specifically the impact on updating VIB patches.
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Are you confusing VIM with VUM - VMware Update Manager.

A VIB is a  vSphere Installation Bundle (VIB), which is a package/bundle of drivers or associated software.

Often the term, if it's not broke don't fix it, comes to mind.

Do you have a Organisation Patch Policy for Servers, Windows and Linux?

You need to assess the risk, of the security issues, with ESXi, and decide whether to patch or not.

If you come across a specific issue, bug, problem, you may want to patch.
tbs_mnpAuthor Commented:
I understand the VMware update manager and am familiar with how that works. A lot of the recent patches that came through were for specific files in VIB. Is VIB something we would know if we were using? It seems like its something we would have to manually load drivers/software via VIB, is that correct?

We have implemented a new policy for Windows/VMware updates, which is essentially what you suggested. We are assessing the updates, how they apply to us and if we need to patch them or not.
Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Yes, a VIB is just a bundle of updates.

You apply the VIB to a baseline, and update.

Yes, you are using them, they are part of the ESXi OS.
tbs_mnpAuthor Commented:
So in order to update these, this is something we can do through VUM? Example, all the patches I saw come through on the EXSI hosts.

Also, do you know the risks of updating the hosts? Has there ever been problems we need to be aware of or steps we need to take in order to put ourself in a position to revert changes, if an update went haywire?
Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
There is always a risk of failure with an update. You create a baseline, and then apply the updates.

Have you used VUM before ?

Ensure, that all VMs are backed up on the host, ensure your documentation is up to date.

Move ALL VMs to another host before you update it.

Test the host before putting back into production.

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