VMware VSAN Webinar | Altaro
Tel : 919 251 6280

How VMware VSAN can reduce costs and simplify your VM Storage

This webinars covers everything you need to know about planning, purchasing, and implementing Hyperconverged setups with VMware VSAN. It’s no longer out of your reach! If you’re interested in VMware’s VSAN technology, this is the webinar for you!

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Webinar Q&A

Q: How does maintenance of a host change? We have a 5 host cluster with a FC SAN and want to retire the SAN including FC and switch to 10g.

You will still be able to remove a host from the VSAN cluster for maintenance. Due to the fact that there are many different reasons to do maintenance I would recommend reviewing this article which covers the different types of VSAN maintenance you may require. Each maintenance type is just slightly a little bit different depending on the work you are doing. https://blogs.vmware.com/virtualblocks/2016/02/18/choosing-the-correct-vsan-maintenance-mode-option/

Q: Where are VSAN logs stored and how to debug them in case of latency issues?

The VSAN logs are stored in many locations and typically can be accessed through the Linux-based command line you are familiar with. For debugging there are a few options:
1) Depending on the Issue you are troubleshooting this VSAN Troubleshooting guide provides a lot of useful feedback on looking at log files that pertain to your situation
2) If your issues are performance related to VSAN then the VSAN Observer can be valuable as well https://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2064240

Q: Can I enable VSAN Deduplication and Compression across different disk groups?

No, the objects must be within the same disk group for this to work correctly.

Q: What about VSAN Cluster Scaleout Capabilities? Can I easily add disks or hosts, or am I done adding these components once my VSAN is built out?

Disks can absolutely be added to scale out your VSAN relatively easily through the console. If you are planning to add hosts though, you will need to put your environment in maintenance mode, the networking will need to be updated to include the new host to enable virtual SAN traffic on the NIC for the new host.

Meet the Speakers


Theresa Miller


vExpert, Founder and CEP 24x7 IT Connection

Theresa is an IT professional that has been working as a technical expert in IT for over 20 years, and is the Founder and CEP of 24x7 IT Connection, LLC. She holds an MBA, Citrix CTP and is a VMware vExpert. Her areas of expertise include virtualization and Office 365/Exchange and routinely speaks at industry and technology events.

Andy Author

Andy Syrewicze


Cloud & Data Management MVP

Technical Evangelist - Altaro

Andy is a 15+ year IT pro specializing in Virtualization, Storage, Cloud, and Infrastructure. By day he’s a Technical Evangelist for Altaro, leading technical content and pre-sales. By night he shares his IT knowledge online or over a cold beer. He holds the Microsoft MVP award in Cloud and Datacenter Management, and one of few who is also a VMware vExpert.