I would be remiss if I did not relay a recent experience with this. A few months back, my Win8 install found itself in an unrecoverable state after a failed patch installation. I was unable to recover the VMs I had on a second, deduplicated partition; Windows simply refused to read anything on the volume. I ended up just rebuilding my Hyper-V lab after reinstalling the OS.
So I definitely would not put anything critical on a Win8 dedup volume. -Phil _________________________________________________________________ Phil Schwan | Technical Specialist, Enterprise Windows Services Project Leadership Associates | 2000 Town Center, Suite 1900, Southfield, MI 48075 Lync: 312.756.1626 Mobile: 419.262.5133 www.projectleadership.net<http://www.projectleadership.net/> [Description: Description: Description: Arrow email]Lead with Strategy. Leverage Technology. Deliver Results. [linkedin_logo-19x20]<http://www.linkedin.com/in/philschwan>[Twitter-Logo1-20x20]<https://twitter.com/philschwan> [wordpress-logo3] <http://myitforum.com/myitforumwp/author/philschwan> From: [email protected] [mailto:[email protected]] On Behalf Of Daniel Olsson Sent: Monday, September 30, 2013 2:03 PM To: [email protected] Subject: RE: [mssms] OT: Hyper-V VMs and Server 2012 data-deduplication on host useful? Warning: “Way beyond supported” --------------------------------------------- Dedup seems to be working with 8.1 RTM MSDN release with some tweaks. But as Michael says.. not supported.. so don’t blame me if/when you mess up your harddrives.. See these links http://weikingteh.wordpress.com/2013/01/15/how-to-enable-data-deduplication-in-windows-8/ There is a script in the end for R2 releases as a comment. Repackaged .cab version is below but I don’t know if I should dare to use it on my own pc ☺ http://forums.mydigitallife.info/threads/34417-Data-deduplication-for-Windows-8-x64/page10?p=812866&viewfull=1#post812866 btw. If you are running vm:s on the disk. Close them before the optimize command and disable the scheduled jobs with Set-DedupSchedule -name * -Enabled $false // Daniel From: [email protected]<mailto:[email protected]> [mailto:[email protected]] On Behalf Of Schwan, Phil Sent: den 29 september 2013 00:40 To: [email protected]<mailto:[email protected]> Subject: RE: [mssms] OT: Hyper-V VMs and Server 2012 data-deduplication on host useful? Correct, it’s not included in Win8.0 but it’s very easy to install. I would assume a similar process could be done on Win8.1, possibly using 2012 R2. I’ll let you know in a few weeks ☺ -Phil From: [email protected]<mailto:[email protected]> [mailto:[email protected]] On Behalf Of Trevor Sullivan Sent: Saturday, September 28, 2013 4:12 PM To: [email protected]<mailto:[email protected]> Subject: RE: [mssms] OT: Hyper-V VMs and Server 2012 data-deduplication on host useful? I know – it’s not included in Windows 8.0 either, but there are some directions to install it anyway. I’m just curious if a similar process will work with 8.1 (wondering if someone has tried it yet). Cheers, Trevor Sullivan From: [email protected]<mailto:[email protected]> [mailto:[email protected]] On Behalf Of Michael Niehaus Sent: Saturday, September 28, 2013 3:00 PM To: [email protected]<mailto:[email protected]> Subject: RE: [mssms] OT: Hyper-V VMs and Server 2012 data-deduplication on host useful? De-duplication isn’t included in Windows 8.1. It’s a server-only feature. Thanks, -Michael From: [email protected]<mailto:[email protected]> [mailto:[email protected]] On Behalf Of Trevor Sullivan Sent: Saturday, September 28, 2013 2:41 PM To: [email protected]<mailto:[email protected]> Subject: RE: [mssms] OT: Hyper-V VMs and Server 2012 data-deduplication on host useful? Does this work on Windows 8.1? Cheers, Trevor Sullivan From: [email protected]<mailto:[email protected]> [mailto:[email protected]] On Behalf Of Schwan, Phil Sent: Saturday, September 28, 2013 1:30 PM To: [email protected]<mailto:[email protected]> Subject: RE: [mssms] OT: Hyper-V VMs and Server 2012 data-deduplication on host useful? Yes, it should help, potentially significantly. I actually use disk dedup on my Win8 machine on the volume holding my Client Hyper-V VMs and can see pretty substantial disk savings. See here for more details: http://www.chrisnackers.com/2013/04/18/windows-8-deduplication-awesome/ -Phil _________________________________________________________________ Phil Schwan | Technical Specialist, Enterprise Windows Services Project Leadership Associates | 2000 Town Center, Suite 1900, Southfield, MI 48075 Lync: 312.756.1626 Mobile: 419.262.5133 www.projectleadership.net<http://www.projectleadership.net/> [Description: Description: Description: Arrow email]Lead with Strategy. Leverage Technology. Deliver Results. [linkedin_logo-19x20]<http://www.linkedin.com/in/philschwan>[Twitter-Logo1-20x20]<https://twitter.com/philschwan> [wordpress-logo3] <http://myitforum.com/myitforumwp/author/philschwan> From: [email protected]<mailto:[email protected]> [mailto:[email protected]] On Behalf Of Dzikowski, Michael Sent: Saturday, September 28, 2013 2:01 PM To: '[email protected]'; '[email protected]' Subject: RE: [mssms] OT: Hyper-V VMs and Server 2012 data-deduplication on host useful? I theory I think it should help with disk cost. Sent with Good (www.good.com<http://www.good.com>) -----Original Message----- From: Roland Janus [[email protected]<mailto:[email protected]>] Sent: Saturday, September 28, 2013 06:39 AM Central Standard Time To: [email protected]<mailto:[email protected]> Subject: [mssms] OT: Hyper-V VMs and Server 2012 data-deduplication on host useful? Does enabling data de-duplication on the host help saving disk space? Anyone having it enabled and can check? ________________________________ PRIVILEGED AND CONFIDENTIAL. This email and any files transmitted with it are privileged and confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error please notify the sender. If you are not the named addressee you should not disseminate, distribute or copy this e-mail or any of its attachments.
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