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The code is rather magic so a test case will help making sure that everything works well. The first case is a simple backing chain.
269 lines
7.2 KiB
JSON
269 lines
7.2 KiB
JSON
[
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{
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"iops_rd": 0,
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"detect_zeroes": "off",
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"image": {
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"virtual-size": 9663676416,
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"filename": "/var/lib/libvirt/images/rhel7.3.qcow2",
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"cluster-size": 65536,
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"format": "qcow2",
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"actual-size": 9665384448,
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"format-specific": {
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"type": "qcow2",
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"data": {
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"compat": "1.1",
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"lazy-refcounts": true,
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"refcount-bits": 16,
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"corrupt": false
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}
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},
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"dirty-flag": false
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},
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"iops_wr": 0,
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"ro": true,
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"node-name": "#block567",
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"backing_file_depth": 0,
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"drv": "qcow2",
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"iops": 0,
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"bps_wr": 0,
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"write_threshold": 0,
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"encrypted": false,
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"bps": 0,
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"bps_rd": 0,
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"cache": {
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"no-flush": false,
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"direct": false,
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"writeback": true
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},
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"file": "/var/lib/libvirt/images/rhel7.3.qcow2",
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"encryption_key_missing": false
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},
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{
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"iops_rd": 0,
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"detect_zeroes": "off",
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"image": {
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"virtual-size": 9665380352,
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"filename": "/var/lib/libvirt/images/rhel7.3.qcow2",
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"format": "file",
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"actual-size": 9665384448,
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"dirty-flag": false
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},
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"iops_wr": 0,
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"ro": true,
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"node-name": "#block424",
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"backing_file_depth": 0,
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"drv": "file",
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"iops": 0,
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"bps_wr": 0,
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"write_threshold": 0,
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"encrypted": false,
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"bps": 0,
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"bps_rd": 0,
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"cache": {
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"no-flush": false,
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"direct": false,
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"writeback": true
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},
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"file": "/var/lib/libvirt/images/rhel7.3.qcow2",
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"encryption_key_missing": false
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},
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{
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"iops_rd": 0,
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"detect_zeroes": "off",
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"image": {
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"backing-image": {
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"virtual-size": 9663676416,
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"filename": "/var/lib/libvirt/images/rhel7.3.qcow2",
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"cluster-size": 65536,
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"format": "qcow2",
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"actual-size": 9665384448,
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"format-specific": {
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"type": "qcow2",
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"data": {
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"compat": "1.1",
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"lazy-refcounts": true,
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"refcount-bits": 16,
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"corrupt": false
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}
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},
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"dirty-flag": false
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},
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"backing-filename-format": "qcow2",
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"virtual-size": 9663676416,
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"filename": "/var/lib/libvirt/images/rhel7.3.1483536402",
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"cluster-size": 65536,
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"format": "qcow2",
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"actual-size": 200704,
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"format-specific": {
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"type": "qcow2",
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"data": {
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"compat": "1.1",
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"lazy-refcounts": false,
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"refcount-bits": 16,
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"corrupt": false
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}
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},
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"full-backing-filename": "/var/lib/libvirt/images/rhel7.3.qcow2",
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"backing-filename": "/var/lib/libvirt/images/rhel7.3.qcow2",
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"dirty-flag": false
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},
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"iops_wr": 0,
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"ro": true,
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"node-name": "#block331",
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"backing_file_depth": 1,
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"drv": "qcow2",
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"iops": 0,
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"bps_wr": 0,
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"write_threshold": 0,
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"backing_file": "/var/lib/libvirt/images/rhel7.3.qcow2",
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"encrypted": false,
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"bps": 0,
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"bps_rd": 0,
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"cache": {
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"no-flush": false,
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"direct": false,
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"writeback": true
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},
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"file": "/var/lib/libvirt/images/rhel7.3.1483536402",
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"encryption_key_missing": false
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},
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{
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"iops_rd": 0,
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"detect_zeroes": "off",
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"image": {
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"virtual-size": 197120,
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"filename": "/var/lib/libvirt/images/rhel7.3.1483536402",
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"format": "file",
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"actual-size": 200704,
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"dirty-flag": false
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},
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"iops_wr": 0,
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"ro": true,
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"node-name": "#block281",
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"backing_file_depth": 0,
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"drv": "file",
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"iops": 0,
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"bps_wr": 0,
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"write_threshold": 0,
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"encrypted": false,
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"bps": 0,
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"bps_rd": 0,
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"cache": {
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"no-flush": false,
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"direct": false,
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"writeback": true
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},
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"file": "/var/lib/libvirt/images/rhel7.3.1483536402",
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"encryption_key_missing": false
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},
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{
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"iops_rd": 0,
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"detect_zeroes": "off",
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"image": {
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"backing-image": {
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"backing-image": {
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"virtual-size": 9663676416,
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"filename": "/var/lib/libvirt/images/rhel7.3.qcow2",
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"cluster-size": 65536,
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"format": "qcow2",
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"actual-size": 9665384448,
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"format-specific": {
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"type": "qcow2",
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"data": {
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"compat": "1.1",
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"lazy-refcounts": true,
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"refcount-bits": 16,
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"corrupt": false
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}
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},
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"dirty-flag": false
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},
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"backing-filename-format": "qcow2",
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"virtual-size": 9663676416,
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"filename": "/var/lib/libvirt/images/rhel7.3.1483536402",
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"cluster-size": 65536,
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"format": "qcow2",
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"actual-size": 200704,
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"format-specific": {
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"type": "qcow2",
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"data": {
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"compat": "1.1",
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"lazy-refcounts": false,
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"refcount-bits": 16,
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"corrupt": false
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}
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},
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"full-backing-filename": "/var/lib/libvirt/images/rhel7.3.qcow2",
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"backing-filename": "/var/lib/libvirt/images/rhel7.3.qcow2",
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"dirty-flag": false
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},
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"backing-filename-format": "qcow2",
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"virtual-size": 9663676416,
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"filename": "/var/lib/libvirt/images/rhel7.3.1483545313",
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"cluster-size": 65536,
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"format": "qcow2",
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"actual-size": 32968704,
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"format-specific": {
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"type": "qcow2",
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"data": {
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"compat": "1.1",
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"lazy-refcounts": false,
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"refcount-bits": 16,
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"corrupt": false
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}
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},
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"full-backing-filename": "/var/lib/libvirt/images/rhel7.3.1483536402",
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"backing-filename": "/var/lib/libvirt/images/rhel7.3.1483536402",
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"dirty-flag": false
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},
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"iops_wr": 0,
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"ro": false,
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"node-name": "#block118",
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"backing_file_depth": 2,
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"drv": "qcow2",
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"iops": 0,
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"bps_wr": 0,
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"write_threshold": 0,
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"backing_file": "/var/lib/libvirt/images/rhel7.3.1483536402",
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"encrypted": false,
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"bps": 0,
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"bps_rd": 0,
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"cache": {
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"no-flush": false,
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"direct": false,
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"writeback": true
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},
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"file": "/var/lib/libvirt/images/rhel7.3.1483545313",
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"encryption_key_missing": false
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},
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{
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"iops_rd": 0,
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"detect_zeroes": "off",
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"image": {
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"filename": "/var/lib/libvirt/images/rhel7.3.1483545313",
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"format": "file",
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"actual-size": 32968704,
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"dirty-flag": false
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},
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"iops_wr": 0,
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"ro": false,
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"node-name": "#block078",
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"backing_file_depth": 0,
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"drv": "file",
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"iops": 0,
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"bps_wr": 0,
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"write_threshold": 0,
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"encrypted": false,
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"bps": 0,
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"bps_rd": 0,
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"cache": {
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"no-flush": false,
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"direct": false,
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"writeback": true
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},
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"file": "/var/lib/libvirt/images/rhel7.3.1483545313",
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"encryption_key_missing": false
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}
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]
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