Join Rick Crisci for an in-depth discussion in this video DRS and resource fragmentation, part of VMware vSphere 6.5 Essential Training Part 2.
- [Narrator] In this video, I'll explain…DRS and resource fragmentation,…and how DRS can help in a high availability event.…In the slide you see here,…we have a four host cluster.…We have ESXi01, zero-two, zero-three…and zero-four.…And if you'll notice on host ESXi04,…I've got a really large virtual machine running.…Now with a high availability event,…we're potentially losing an ESXi host.…
So let's say in this scenario, we lose host ESXi04.…That host is now failed.…And I have this really large virtual machine,…that isn't going to fit comfortably…on any of the surviving ESXi hosts.…Maybe I even have a reservation…that will prevent it from booting…on any of these other hosts.…This is called resource fragmentation.…The remaining hosts have plenty of capacity…to run this virtual machine.…
However, those resources are spread out…in small chunks over a group of hosts.…So no single host has the resources…necessary to run this VM.…This is where DRS can help us.…If an ESXi host fails,…HA is going to try to reboot those…virtual machines on other hosts.…
- Configuring vMotion and Storage vMotion
- vSphere High Availability (HA)
- Setting DRS rules and automation levels
- Fault tolerance
- DRS data protection
- Troubleshooting vSphere
- Monitoring vSphere
Skill Level Beginner
VMware vSphere 6 Essential Trainingwith Brandon Neill1h 28m Intermediate
VMWare vSphere 6.5 New Featureswith Bill Ferguson2h 17m Intermediate
1. Administer Availability
2. Administer Resource Management Features
3. Troubleshooting vSphere 6.x
4. Monitoring vSphere 6.x
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