Public bug reported: The TRIM/UNMAP feature is broken in the current trusty kernel with Hyper-V because of the reversion of this commit:
http://kernel.ubuntu.com/git?p=ubuntu/ubuntu- trusty.git;a=commit;h=81a73bce0c7b86fbf51004cb171387e73e082784 However a proposed storvsc patch has been submitted to the upstream kernel mailing list which could be found here: https://patchwork.kernel.org/patch/5503381/ In Hyper-V TRIM/UNMAP allows the user to reclaim allocated storage that is no longer in use inside a thin provisioned VHDX volume. ** Affects: linux (Ubuntu) Importance: Undecided Status: Incomplete ** Tags: trusty -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1406867 Title: Hyper-V TRIM Feature Broken in current LTS trusty kernel Status in linux package in Ubuntu: Incomplete Bug description: The TRIM/UNMAP feature is broken in the current trusty kernel with Hyper-V because of the reversion of this commit: http://kernel.ubuntu.com/git?p=ubuntu/ubuntu- trusty.git;a=commit;h=81a73bce0c7b86fbf51004cb171387e73e082784 However a proposed storvsc patch has been submitted to the upstream kernel mailing list which could be found here: https://patchwork.kernel.org/patch/5503381/ In Hyper-V TRIM/UNMAP allows the user to reclaim allocated storage that is no longer in use inside a thin provisioned VHDX volume. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1406867/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp