[ale] [OT] VMWare learning environment?

[James Taylor]

I finally have a working ovirt system after many false starts.
I like it well enough to take the leap, and feel pretty confident I can now successfully install and manage a cluster.
Not hard , but many gotchas that are not immediately obvious.
A ton of documentation that didn't have answers for, or even mention, the issues that hung me up.
Initial problems were mostly self-inflicted.
Currently have two production workloads running. Now I need to see if migrating from citrix will work instead of having to recreate.
-jt 
 

James Taylor
678-697-9420
james.taylor at eastcobbgroup.com



>>> Jim Kinney via Ale <ale at ale.org> 4/25/2018 8:08 AM >>> 
Ovirt for the win!

Sadly, vmware is the dominant player. Ovirt is pretty amazing and fully open source. Perfect? Nope. But what large pile of software is?

KVM is rock solid in my experience. Ovirt adds a scale up and out management layer on top. The hardware it supports is anything that will run Linux. It's pretty RedHat centric (major funder) but also has packages and community (developer actually) support for use in any distro.

Will ovirt expertise help job development? Only if it can be spun the same way that Samba expertise makes better windows admins.

Oh. Automatic migration of encrypted drive VMs is non-working thing. Got bit. Ouch. During a demo. Double ouch. New host starts new instance, pauses, overlays old instance memory, pauses old and unpauses new. Can't start new with a locked drive to start process. Process  continues anyway on shutting down old instance. Demo goes down. Ouch.

On April 25, 2018 7:27:34 AM EDT, DJ-Pfulio via Ale <ale at ale.org> wrote:
>On 04/25/2018 05:39 AM, Leam Hall via Ale wrote:
>> So far I see ESXi, VSphere, and VCenter. The direction I've been
>given is "go
>> learn VMWare".
>> 
>> I've used VSphere clients but never administered an installation.
>Looking at the
>> ESXi system requirements I'm not sure SATA is supported for the
>guests, so I may
>> need to do their lab stuff remotely until I can figure out a host to
>use.
>> 
>
>SATA controllers are supported, but not all of them.  ESXi is picky
>about
>hardware.  Back when I ran it, only 1 of my 5 machines had a disk
>controller
>that was supported by it.  It is also picky about NICs and other HW.
>
>This is good and bad.  Flakey HW doesn't get supported, so when it is
>on "the
>list" you know it should work.  They choose very popular, server-type,
>hardware
>for their support. Usually not the cheapest stuff.
>
>Catch me at a meeting on Sunday and I'll happily share some apparently
>forgotten
>history with VMware (management) and why I'll avoid all their products
>for the
>rest of my life.
>
>If you mainly run Windows, ESXi should be considered.  If you mainly
>run Linux,
>I wouldn't ... and don't.
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