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de38b5005e
Disk sizes close to INT64_MAX cause overflow, for some pretty ridiculous output: $ ./nbdkit -U - memory size=$((2**63 - 512)) --run 'qemu-img info $nbd' image: nbd+unix://?socket=/tmp/nbdkitHSAzNz/socket file format: raw virtual size: -8388607T (9223372036854775296 bytes) disk size: unavailable But there's no reason to have two separate implementations of integer to human-readable abbreviation, where one has overflow and stops at 'T', while the other avoids overflow and goes all the way to 'E'. With this patch, the output now claims 8EiB instead of -8388607T, which really is the correct rounding of largest file size supported by qemu (we could go 511 bytes larger if we used byte-accurate sizing instead of rounding up to the next sector boundary, but that wouldn't change the human-readable result). Quite a few iotests need updates to expected output to match. Reported-by: Richard W.M. Jones <rjones@redhat.com> Signed-off-by: Eric Blake <eblake@redhat.com> Tested-by: Richard W.M. Jones <rjones@redhat.com> Reviewed-by: Alberto Garcia <berto@igalia.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com> Tested-by: Max Reitz <mreitz@redhat.com>
257 lines
11 KiB
Plaintext
257 lines
11 KiB
Plaintext
=== Successful image creation (defaults) ===
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{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "file", "filename": "TEST_DIR/PID-t.qcow2", "size": 0}}}
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{"return": {}}
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{"execute": "job-dismiss", "arguments": {"id": "job0"}}
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{"return": {}}
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{"execute": "blockdev-add", "arguments": {"driver": "file", "filename": "TEST_DIR/PID-t.qcow2", "node-name": "imgfile"}}
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{"return": {}}
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{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "qcow2", "file": "imgfile", "size": 134217728}}}
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{"return": {}}
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{"execute": "job-dismiss", "arguments": {"id": "job0"}}
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{"return": {}}
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image: TEST_IMG
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file format: IMGFMT
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virtual size: 128 MiB (134217728 bytes)
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cluster_size: 65536
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Format specific information:
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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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=== Successful image creation (inline blockdev-add, explicit defaults) ===
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{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "file", "filename": "TEST_DIR/PID-t.qcow2", "nocow": false, "preallocation": "off", "size": 0}}}
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{"return": {}}
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{"execute": "job-dismiss", "arguments": {"id": "job0"}}
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{"return": {}}
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{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"cluster-size": 65536, "driver": "qcow2", "file": {"driver": "file", "filename": "TEST_DIR/PID-t.qcow2"}, "lazy-refcounts": false, "preallocation": "off", "refcount-bits": 16, "size": 67108864, "version": "v3"}}}
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{"return": {}}
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{"execute": "job-dismiss", "arguments": {"id": "job0"}}
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{"return": {}}
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image: TEST_IMG
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file format: IMGFMT
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virtual size: 64 MiB (67108864 bytes)
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cluster_size: 65536
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Format specific information:
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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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=== Successful image creation (v3 non-default options) ===
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{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "file", "filename": "TEST_DIR/PID-t.qcow2", "nocow": true, "preallocation": "falloc", "size": 0}}}
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{"return": {}}
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{"execute": "job-dismiss", "arguments": {"id": "job0"}}
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{"return": {}}
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{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"cluster-size": 2097152, "driver": "qcow2", "file": {"driver": "file", "filename": "TEST_DIR/PID-t.qcow2"}, "lazy-refcounts": true, "preallocation": "metadata", "refcount-bits": 1, "size": 33554432, "version": "v3"}}}
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{"return": {}}
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{"execute": "job-dismiss", "arguments": {"id": "job0"}}
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{"return": {}}
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image: TEST_IMG
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file format: IMGFMT
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virtual size: 32 MiB (33554432 bytes)
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cluster_size: 2097152
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Format specific information:
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compat: 1.1
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lazy refcounts: true
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refcount bits: 1
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corrupt: false
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=== Successful image creation (v2 non-default options) ===
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{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "file", "filename": "TEST_DIR/PID-t.qcow2", "size": 0}}}
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{"return": {}}
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{"execute": "job-dismiss", "arguments": {"id": "job0"}}
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{"return": {}}
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{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"backing-file": "TEST_DIR/PID-t.qcow2.base", "backing-fmt": "qcow2", "cluster-size": 512, "driver": "qcow2", "file": {"driver": "file", "filename": "TEST_DIR/PID-t.qcow2"}, "size": 33554432, "version": "v2"}}}
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{"return": {}}
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{"execute": "job-dismiss", "arguments": {"id": "job0"}}
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{"return": {}}
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image: TEST_IMG
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file format: IMGFMT
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virtual size: 32 MiB (33554432 bytes)
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cluster_size: 512
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backing file: TEST_IMG.base
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backing file format: IMGFMT
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Format specific information:
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compat: 0.10
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refcount bits: 16
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=== Successful image creation (encrypted) ===
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{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "qcow2", "encrypt": {"cipher-alg": "twofish-128", "cipher-mode": "ctr", "format": "luks", "hash-alg": "sha1", "iter-time": 10, "ivgen-alg": "plain64", "ivgen-hash-alg": "md5", "key-secret": "keysec0"}, "file": {"driver": "file", "filename": "TEST_DIR/PID-t.qcow2"}, "size": 33554432}}}
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{"return": {}}
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{"execute": "job-dismiss", "arguments": {"id": "job0"}}
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{"return": {}}
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image: TEST_IMG
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file format: IMGFMT
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virtual size: 32 MiB (33554432 bytes)
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encrypted: yes
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cluster_size: 65536
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Format specific information:
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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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encrypt:
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ivgen alg: plain64
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hash alg: sha1
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cipher alg: twofish-128
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uuid: XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX
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format: luks
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cipher mode: ctr
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slots:
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[0]:
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active: true
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iters: XXX
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key offset: 4096
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stripes: 4000
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[1]:
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active: false
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key offset: 69632
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[2]:
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active: false
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key offset: 135168
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[3]:
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active: false
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key offset: 200704
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[4]:
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active: false
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key offset: 266240
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[5]:
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active: false
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key offset: 331776
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[6]:
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active: false
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key offset: 397312
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[7]:
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active: false
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key offset: 462848
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payload offset: 528384
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master key iters: XXX
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corrupt: false
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=== Invalid BlockdevRef ===
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{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "qcow2", "file": "this doesn't exist", "size": 33554432}}}
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{"return": {}}
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Job failed: Cannot find device=this doesn't exist nor node_name=this doesn't exist
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{"execute": "job-dismiss", "arguments": {"id": "job0"}}
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{"return": {}}
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=== Invalid sizes ===
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{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "qcow2", "file": "node0", "size": 1234}}}
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{"return": {}}
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Job failed: Image size must be a multiple of 512 bytes
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{"execute": "job-dismiss", "arguments": {"id": "job0"}}
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{"return": {}}
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{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "qcow2", "file": "node0", "size": 18446744073709551104}}}
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{"return": {}}
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Job failed: Could not resize image: Image size cannot be negative
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{"execute": "job-dismiss", "arguments": {"id": "job0"}}
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{"return": {}}
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{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "qcow2", "file": "node0", "size": 9223372036854775808}}}
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{"return": {}}
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Job failed: Could not resize image: Image size cannot be negative
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{"execute": "job-dismiss", "arguments": {"id": "job0"}}
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{"return": {}}
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{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "qcow2", "file": "node0", "size": 9223372036854775296}}}
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{"return": {}}
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Job failed: Could not resize image: Failed to grow the L1 table: File too large
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{"execute": "job-dismiss", "arguments": {"id": "job0"}}
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{"return": {}}
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=== Invalid version ===
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{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "qcow2", "file": "node0", "size": 67108864, "version": "v1"}}}
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{"error": {"class": "GenericError", "desc": "Invalid parameter 'v1'"}}
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{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "qcow2", "file": "node0", "lazy-refcounts": true, "size": 67108864, "version": "v2"}}}
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{"return": {}}
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Job failed: Lazy refcounts only supported with compatibility level 1.1 and above (use version=v3 or greater)
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{"execute": "job-dismiss", "arguments": {"id": "job0"}}
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{"return": {}}
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{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "qcow2", "file": "node0", "refcount-bits": 8, "size": 67108864, "version": "v2"}}}
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{"return": {}}
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Job failed: Different refcount widths than 16 bits require compatibility level 1.1 or above (use version=v3 or greater)
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{"execute": "job-dismiss", "arguments": {"id": "job0"}}
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{"return": {}}
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=== Invalid backing file options ===
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{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"backing-file": "/dev/null", "driver": "qcow2", "file": "node0", "preallocation": "full", "size": 67108864}}}
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{"return": {}}
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Job failed: Backing file and preallocation cannot be used at the same time
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{"execute": "job-dismiss", "arguments": {"id": "job0"}}
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{"return": {}}
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{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"backing-fmt": "qcow2", "driver": "qcow2", "file": "node0", "size": 67108864}}}
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{"return": {}}
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Job failed: Backing format cannot be used without backing file
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{"execute": "job-dismiss", "arguments": {"id": "job0"}}
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{"return": {}}
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=== Invalid cluster size ===
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{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"cluster-size": 1234, "driver": "qcow2", "file": "node0", "size": 67108864}}}
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{"return": {}}
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Job failed: Cluster size must be a power of two between 512 and 2048k
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{"execute": "job-dismiss", "arguments": {"id": "job0"}}
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{"return": {}}
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{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"cluster-size": 128, "driver": "qcow2", "file": "node0", "size": 67108864}}}
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{"return": {}}
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Job failed: Cluster size must be a power of two between 512 and 2048k
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{"execute": "job-dismiss", "arguments": {"id": "job0"}}
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{"return": {}}
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{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"cluster-size": 4194304, "driver": "qcow2", "file": "node0", "size": 67108864}}}
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{"return": {}}
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Job failed: Cluster size must be a power of two between 512 and 2048k
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{"execute": "job-dismiss", "arguments": {"id": "job0"}}
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{"return": {}}
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{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"cluster-size": 0, "driver": "qcow2", "file": "node0", "size": 67108864}}}
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{"return": {}}
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Job failed: Cluster size must be a power of two between 512 and 2048k
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{"execute": "job-dismiss", "arguments": {"id": "job0"}}
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{"return": {}}
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{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"cluster-size": 512, "driver": "qcow2", "file": "node0", "size": 281474976710656}}}
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{"return": {}}
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Job failed: Could not resize image: Failed to grow the L1 table: File too large
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{"execute": "job-dismiss", "arguments": {"id": "job0"}}
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{"return": {}}
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=== Invalid refcount width ===
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{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "qcow2", "file": "node0", "refcount-bits": 128, "size": 67108864}}}
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{"return": {}}
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Job failed: Refcount width must be a power of two and may not exceed 64 bits
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{"execute": "job-dismiss", "arguments": {"id": "job0"}}
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{"return": {}}
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{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "qcow2", "file": "node0", "refcount-bits": 0, "size": 67108864}}}
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{"return": {}}
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Job failed: Refcount width must be a power of two and may not exceed 64 bits
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{"execute": "job-dismiss", "arguments": {"id": "job0"}}
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{"return": {}}
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{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "qcow2", "file": "node0", "refcount-bits": 7, "size": 67108864}}}
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{"return": {}}
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Job failed: Refcount width must be a power of two and may not exceed 64 bits
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{"execute": "job-dismiss", "arguments": {"id": "job0"}}
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{"return": {}}
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