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 Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1406867 Title: Hyper-V TRIM Feature Broken in current LTS trusty kernel To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1406867/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
