Does anyone have suggestions for easily simulating a missing volume in LVM on bare metal? I'm trying to test behaviour like a network attached physical volume going missing (actually, a network mounted virtual disc image). The normal loopback approach to testing falls a bit short, while overwriting the file can corrupt the PV, removing it seems very hard, as even force removing the loop device seems to leave it connected to the file handle, meaning a reboot is required to really clear things, and so at the minute I can only test what happens if a drive is missing after boot, rather than disappears during operation. (A bit easier to do with discs on a VM, but doing testing on a laptop.)
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