25.10.0 SMB is slower than 25.04

[ArchatParks]

I’m seeing very large differences too:

25.10 drive performance has dropped significantly

I have two locations where I have upgraded TN 25.04.2.3 to 25.10. In both instances the drive performance has dropped through the floor. In some instances it has dropped as much as 98%. I had this same issue during the beta and reported it then. One machine is a bare metal and one is a virtual machines (XCP-NG): the virtual one is running to a passed through LSI controller. Both have worked great since version 22xxxx. Shown below are the tests from FIO (Flexible I/O Tester). The drives below …