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rootdn
2019 Jul 30
1
Researching why different cache modes result in 'some' guest filesystem corruption..
...1) start with a rhel-guest image (currently
rhel-server-7.6-update-5-x86_64-kvm.qcow2)
2) convert to LVM by doing this:
qemu-img create -f qcow2 -o preallocation=metadata,cluster_size=1048576,lazy_refcounts=off final_guest.qcow2 512G
virt-format -a final_guest.qcow2 --partition=mbr --lvm=/dev/rootdg/lv_root --filesystem=xfs
guestfish --ro -a rhel_guest.qcow2 -m /dev/sda1 -- tar-out / - | \
guestfish --rw -a final_guest.qcow2 -m /dev/rootdg/lv_root -- tar-in - /
3) use "final_guest.qcow2" as the basis for my guests with LVM.
After chasing down this issue some more and attemptin...