Month: December 2022

QEMU 7.2 and Raw Disks

Update January 27, 2023: The issue described below is limited to users of RAW partitions. But there is a workaround. See under “What to do?”

A recent update from QEMU 7.1 to QEMU 7.2 caused my Windows 10 VM to show 100% utilization of the C: drive. Performance of the Windows VM dropped to the bottom – the VM was pretty much unusable.

Users at the VFIO Reddit reported similar issues. However, as it turned out, it seems to affect only storage on LVM raw volumes. In other words, if you have your VM in a qcow file, all should be well.

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Nikon Z7 II Review

Half a year ago I replaced my Canon R5 and RF lenses for the Nikon Z7 II and some selected Z mount lenses. Both mirrorless cameras feature a 45 MP sensor, weather sealing, and are in many ways comparable. But a closer look shows substantial differences between both cameras and lenses.

Dome of the Rock with Dome of the Chain, Jerusalem – Nikon Z7 II and Z 14-24 f/2.8 lens (click to enlarge)

This Nikon Z7 II review attempts to not only show the pros and cons of the camera and the lenses I own or used, but I feel also able to compare it with the Canon R5 and some Canon lenses. I will also share some impressions on how the Nikon Z7 II works with the FTZ-II adapter and the Nikon 200-500mm/f5.6 F mount lens.

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