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action #47201
closed[openqa] why do we create qcow backed files for isos?
Start date:
2019-02-06
Due date:
% Done:
0%
Estimated time:
Description
See https://openqa.opensuse.org/tests/847991/file/autoinst-log.txt :
[2019-02-06T10:08:33.361 CET] [debug] running /usr/bin/qemu-img create -f qcow2 -b /var/lib/openqa/pool/11/openSUSE_Krypton.x86_64-5.12.80-Build5.25.iso /var/lib/openqa/pool/11/raid/cd0-overlay0 1011875840
[2019-02-06T10:08:33.370 CET] [debug] Formatting '/var/lib/openqa/pool/11/raid/cd0-overlay0', fmt=qcow2 size=1011875840 backing_file=/var/lib/openqa/pool/11/openSUSE_Krypton.x86_64-5.12.80-Build5.25.iso cluster_size=65536 lazy_refcounts=off refcount_bits=16
[2019-02-06T10:08:33.371 CET] [debug] starting: /usr/bin/qemu-system-x86_64 -vga cirrus -only-migratable -chardev ringbuf,id=serial0,logfile=serial0,logappend=on -serial chardev:serial0 -soundhw ac97 -global isa-fdc.driveA= -m 2048 -cpu qemu64 -netdev user,id=qanet0 -device virtio-net,netdev=qanet0,mac=52:54:00:12:34:56 -boot once=d,menu=on,splash-time=5000 -device usb-ehci -device usb-tablet -smp 1 -enable-kvm -no-shutdown -vnc :101,share=force-shared -device virtio-serial -chardev socket,path=virtio_console,server,nowait,id=virtio_console,logfile=virtio_console.log,logappend=on -device virtconsole,chardev=virtio_console,name=org.openqa.console.virtio_console -chardev socket,path=qmp_socket,server,nowait,id=qmp_socket,logfile=qmp_socket.log,logappend=on -qmp chardev:qmp_socket -S -device virtio-scsi-pci,id=scsi0 -blockdev driver=file,node-name=hd0-file,filename=/var/lib/openqa/pool/11/raid/hd0,cache.no-flush=on -blockdev driver=qcow2,node-name=hd0,file=hd0-file,cache.no-flush=on -device virtio-blk,id=hd0-device,drive=hd0,serial=hd0 -blockdev driver=file,node-name=cd0-overlay0-file,filename=/var/lib/openqa/pool/11/raid/cd0-overlay0,cache.no-flush=on -blockdev driver=qcow2,node-name=cd0-overlay0,file=cd0-overlay0-file,cache.no-flush=on -device scsi-cd,id=cd0-device,drive=cd0-overlay0,serial=cd0
Problem¶
I do not see the sense in that and I wonder if this is a regression.
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