Save backup storage using Veeam Backup & Replication BitLooker, a free way to reclaim wasted space in your VMs
When working with large amounts of data like I do in my home lab, reclaiming storage space left behind when I'm moving stuff like 3TBs of media around can be a pain. Those big VMDK files don't automatically get any smaller when you delete large files within those VMs. Seriously. That's a dirty little secret you discover for yourself the hard way one day, such as when you use thin provisioned VMs on always-tight-on-space SSDs. Performance is the same for thin or thick VMs when on SSDs, and who really wants to be resizing their C: drives very often. So we do large C: drives in those Windows templates, for convenience.
But those thin provisioned VMs will inevitably grow and grow until there's no more physical space available. That is, unless you take some manual actions beyond merely deleting huge files in that VM.
There are great benefits to reclaiming space before backup software does its thing, see also this great read:
- Save backup storage using Veeam Backup & Replication BitLooker
Jan 28 2016 by Hendrik Bardowicks at Veeam
What recently really caught my attention recently was when Veeam's Rick "The RICKATRON" Vanover recently discussed this very topic on a recent Virtually Speaking podcast. I've added all the details, with a full transcript, at this spot below my original post:
- How to free up VMware ESXi local drive VMFS datastore space after deleting data in a thin provisioned Windows VM - SDeleting or Powershelling and Hole Punching avoids vMotion workaround
Nov 09 2015 by Paul Braren at TinkerTry
If you've ever run out of space on a thin provisioned drive, I think you're likely to enjoy hearing his novel approach that he uses in his home lab!
See also at TinkerTry
- TinkerTry'd SuperServer featured at Virtualization Review "The Quest for the Right Virtual Home Lab Server"
- The Quest for the Right Virtual Home Lab Server
Sep 25 2015 by Rick Vanover at Everyday Virtualization
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