0cb8d47ba9
Historically the qcow & qcow2 image formats supported a property "encryption=on" to enable their built-in AES encryption. We'll soon be supporting LUKS for qcow2, so need a more general purpose way to enable encryption, with a choice of formats. This introduces an "encrypt.format" option, which will later be joined by a number of other "encrypt.XXX" options. The use of a "encrypt." prefix instead of "encrypt-" is done to facilitate mapping to a nested QAPI schema at later date. e.g. the preferred syntax is now qemu-img create -f qcow2 -o encrypt.format=aes demo.qcow2 Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 20170623162419.26068-8-berrange@redhat.com Reviewed-by: Alberto Garcia <berto@igalia.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
568 lines
25 KiB
Plaintext
568 lines
25 KiB
Plaintext
QA output created by 082
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=== create: Options specified more than once ===
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Testing: create -f foo -f qcow2 TEST_DIR/t.qcow2 128M
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Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=134217728 cluster_size=65536 lazy_refcounts=off refcount_bits=16
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image: TEST_DIR/t.IMGFMT
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file format: IMGFMT
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virtual size: 128M (134217728 bytes)
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cluster_size: 65536
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Testing: create -f qcow2 -o cluster_size=4k -o lazy_refcounts=on TEST_DIR/t.qcow2 128M
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Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=134217728 cluster_size=4096 lazy_refcounts=on refcount_bits=16
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image: TEST_DIR/t.IMGFMT
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file format: IMGFMT
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virtual size: 128M (134217728 bytes)
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cluster_size: 4096
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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: 16
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corrupt: false
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Testing: create -f qcow2 -o cluster_size=4k -o lazy_refcounts=on -o cluster_size=8k TEST_DIR/t.qcow2 128M
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Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=134217728 cluster_size=8192 lazy_refcounts=on refcount_bits=16
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image: TEST_DIR/t.IMGFMT
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file format: IMGFMT
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virtual size: 128M (134217728 bytes)
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cluster_size: 8192
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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: 16
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corrupt: false
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Testing: create -f qcow2 -o cluster_size=4k,cluster_size=8k TEST_DIR/t.qcow2 128M
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Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=134217728 cluster_size=8192 lazy_refcounts=off refcount_bits=16
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image: TEST_DIR/t.IMGFMT
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file format: IMGFMT
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virtual size: 128M (134217728 bytes)
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cluster_size: 8192
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=== create: help for -o ===
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Testing: create -f qcow2 -o help TEST_DIR/t.qcow2 128M
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Supported options:
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size Virtual disk size
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compat Compatibility level (0.10 or 1.1)
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backing_file File name of a base image
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backing_fmt Image format of the base image
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encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
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encrypt.format Encrypt the image, format choices: 'aes'
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cluster_size qcow2 cluster size
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preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
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lazy_refcounts Postpone refcount updates
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refcount_bits Width of a reference count entry in bits
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nocow Turn off copy-on-write (valid only on btrfs)
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Testing: create -f qcow2 -o ? TEST_DIR/t.qcow2 128M
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Supported options:
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size Virtual disk size
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compat Compatibility level (0.10 or 1.1)
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backing_file File name of a base image
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backing_fmt Image format of the base image
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encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
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encrypt.format Encrypt the image, format choices: 'aes'
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cluster_size qcow2 cluster size
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preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
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lazy_refcounts Postpone refcount updates
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refcount_bits Width of a reference count entry in bits
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nocow Turn off copy-on-write (valid only on btrfs)
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Testing: create -f qcow2 -o cluster_size=4k,help TEST_DIR/t.qcow2 128M
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Supported options:
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size Virtual disk size
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compat Compatibility level (0.10 or 1.1)
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backing_file File name of a base image
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backing_fmt Image format of the base image
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encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
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encrypt.format Encrypt the image, format choices: 'aes'
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cluster_size qcow2 cluster size
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preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
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lazy_refcounts Postpone refcount updates
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refcount_bits Width of a reference count entry in bits
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nocow Turn off copy-on-write (valid only on btrfs)
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Testing: create -f qcow2 -o cluster_size=4k,? TEST_DIR/t.qcow2 128M
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Supported options:
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size Virtual disk size
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compat Compatibility level (0.10 or 1.1)
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backing_file File name of a base image
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backing_fmt Image format of the base image
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encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
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encrypt.format Encrypt the image, format choices: 'aes'
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cluster_size qcow2 cluster size
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preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
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lazy_refcounts Postpone refcount updates
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refcount_bits Width of a reference count entry in bits
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nocow Turn off copy-on-write (valid only on btrfs)
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Testing: create -f qcow2 -o help,cluster_size=4k TEST_DIR/t.qcow2 128M
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Supported options:
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size Virtual disk size
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compat Compatibility level (0.10 or 1.1)
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backing_file File name of a base image
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backing_fmt Image format of the base image
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encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
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encrypt.format Encrypt the image, format choices: 'aes'
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cluster_size qcow2 cluster size
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preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
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lazy_refcounts Postpone refcount updates
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refcount_bits Width of a reference count entry in bits
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nocow Turn off copy-on-write (valid only on btrfs)
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Testing: create -f qcow2 -o ?,cluster_size=4k TEST_DIR/t.qcow2 128M
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Supported options:
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size Virtual disk size
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compat Compatibility level (0.10 or 1.1)
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backing_file File name of a base image
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backing_fmt Image format of the base image
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encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
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encrypt.format Encrypt the image, format choices: 'aes'
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cluster_size qcow2 cluster size
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preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
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lazy_refcounts Postpone refcount updates
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refcount_bits Width of a reference count entry in bits
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nocow Turn off copy-on-write (valid only on btrfs)
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Testing: create -f qcow2 -o cluster_size=4k -o help TEST_DIR/t.qcow2 128M
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Supported options:
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size Virtual disk size
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compat Compatibility level (0.10 or 1.1)
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backing_file File name of a base image
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backing_fmt Image format of the base image
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encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
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encrypt.format Encrypt the image, format choices: 'aes'
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cluster_size qcow2 cluster size
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preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
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lazy_refcounts Postpone refcount updates
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refcount_bits Width of a reference count entry in bits
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nocow Turn off copy-on-write (valid only on btrfs)
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Testing: create -f qcow2 -o cluster_size=4k -o ? TEST_DIR/t.qcow2 128M
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Supported options:
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size Virtual disk size
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compat Compatibility level (0.10 or 1.1)
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backing_file File name of a base image
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backing_fmt Image format of the base image
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encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
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encrypt.format Encrypt the image, format choices: 'aes'
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cluster_size qcow2 cluster size
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preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
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lazy_refcounts Postpone refcount updates
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refcount_bits Width of a reference count entry in bits
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nocow Turn off copy-on-write (valid only on btrfs)
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Testing: create -f qcow2 -o backing_file=TEST_DIR/t.qcow2,,help TEST_DIR/t.qcow2 128M
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Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=134217728 backing_file=TEST_DIR/t.qcow2,,help cluster_size=65536 lazy_refcounts=off refcount_bits=16
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Testing: create -f qcow2 -o backing_file=TEST_DIR/t.qcow2,,? TEST_DIR/t.qcow2 128M
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Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=134217728 backing_file=TEST_DIR/t.qcow2,,? cluster_size=65536 lazy_refcounts=off refcount_bits=16
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Testing: create -f qcow2 -o backing_file=TEST_DIR/t.qcow2, -o help TEST_DIR/t.qcow2 128M
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qemu-img: Invalid option list: backing_file=TEST_DIR/t.qcow2,
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Testing: create -f qcow2 -o backing_file=TEST_DIR/t.qcow2 -o ,help TEST_DIR/t.qcow2 128M
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qemu-img: Invalid option list: ,help
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Testing: create -f qcow2 -o backing_file=TEST_DIR/t.qcow2 -o ,, -o help TEST_DIR/t.qcow2 128M
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qemu-img: Invalid option list: ,,
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Testing: create -f qcow2 -o help
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Supported options:
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size Virtual disk size
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compat Compatibility level (0.10 or 1.1)
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backing_file File name of a base image
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backing_fmt Image format of the base image
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encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
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encrypt.format Encrypt the image, format choices: 'aes'
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cluster_size qcow2 cluster size
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preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
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lazy_refcounts Postpone refcount updates
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refcount_bits Width of a reference count entry in bits
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Testing: create -o help
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Supported options:
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size Virtual disk size
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=== convert: Options specified more than once ===
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Testing: create -f qcow2 TEST_DIR/t.qcow2 128M
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Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=134217728 cluster_size=65536 lazy_refcounts=off refcount_bits=16
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Testing: convert -f foo -f qcow2 TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
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image: TEST_DIR/t.IMGFMT.base
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file format: raw
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virtual size: 128M (134217728 bytes)
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Testing: convert -O foo -O qcow2 TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
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image: TEST_DIR/t.IMGFMT.base
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file format: IMGFMT
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virtual size: 128M (134217728 bytes)
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cluster_size: 65536
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Testing: convert -O qcow2 -o cluster_size=4k -o lazy_refcounts=on TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
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image: TEST_DIR/t.IMGFMT.base
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file format: IMGFMT
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virtual size: 128M (134217728 bytes)
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cluster_size: 4096
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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: 16
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corrupt: false
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Testing: convert -O qcow2 -o cluster_size=4k -o lazy_refcounts=on -o cluster_size=8k TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
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image: TEST_DIR/t.IMGFMT.base
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file format: IMGFMT
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virtual size: 128M (134217728 bytes)
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cluster_size: 8192
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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: 16
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corrupt: false
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Testing: convert -O qcow2 -o cluster_size=4k,cluster_size=8k TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
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image: TEST_DIR/t.IMGFMT.base
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file format: IMGFMT
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virtual size: 128M (134217728 bytes)
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cluster_size: 8192
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=== convert: help for -o ===
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Testing: convert -O qcow2 -o help TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
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Supported options:
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size Virtual disk size
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compat Compatibility level (0.10 or 1.1)
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backing_file File name of a base image
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backing_fmt Image format of the base image
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encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
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encrypt.format Encrypt the image, format choices: 'aes'
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cluster_size qcow2 cluster size
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preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
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lazy_refcounts Postpone refcount updates
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refcount_bits Width of a reference count entry in bits
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nocow Turn off copy-on-write (valid only on btrfs)
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Testing: convert -O qcow2 -o ? TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
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Supported options:
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size Virtual disk size
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compat Compatibility level (0.10 or 1.1)
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backing_file File name of a base image
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backing_fmt Image format of the base image
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encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
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encrypt.format Encrypt the image, format choices: 'aes'
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cluster_size qcow2 cluster size
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preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
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lazy_refcounts Postpone refcount updates
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refcount_bits Width of a reference count entry in bits
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nocow Turn off copy-on-write (valid only on btrfs)
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Testing: convert -O qcow2 -o cluster_size=4k,help TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
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Supported options:
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size Virtual disk size
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compat Compatibility level (0.10 or 1.1)
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backing_file File name of a base image
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backing_fmt Image format of the base image
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encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
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encrypt.format Encrypt the image, format choices: 'aes'
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cluster_size qcow2 cluster size
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preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
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lazy_refcounts Postpone refcount updates
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refcount_bits Width of a reference count entry in bits
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nocow Turn off copy-on-write (valid only on btrfs)
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Testing: convert -O qcow2 -o cluster_size=4k,? TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
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Supported options:
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size Virtual disk size
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compat Compatibility level (0.10 or 1.1)
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backing_file File name of a base image
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backing_fmt Image format of the base image
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encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
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encrypt.format Encrypt the image, format choices: 'aes'
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cluster_size qcow2 cluster size
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preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
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lazy_refcounts Postpone refcount updates
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refcount_bits Width of a reference count entry in bits
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nocow Turn off copy-on-write (valid only on btrfs)
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Testing: convert -O qcow2 -o help,cluster_size=4k TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
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Supported options:
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size Virtual disk size
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compat Compatibility level (0.10 or 1.1)
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backing_file File name of a base image
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backing_fmt Image format of the base image
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encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
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encrypt.format Encrypt the image, format choices: 'aes'
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cluster_size qcow2 cluster size
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preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
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lazy_refcounts Postpone refcount updates
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refcount_bits Width of a reference count entry in bits
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nocow Turn off copy-on-write (valid only on btrfs)
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Testing: convert -O qcow2 -o ?,cluster_size=4k TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
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Supported options:
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size Virtual disk size
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compat Compatibility level (0.10 or 1.1)
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backing_file File name of a base image
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backing_fmt Image format of the base image
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encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
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encrypt.format Encrypt the image, format choices: 'aes'
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cluster_size qcow2 cluster size
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preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
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lazy_refcounts Postpone refcount updates
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refcount_bits Width of a reference count entry in bits
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nocow Turn off copy-on-write (valid only on btrfs)
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Testing: convert -O qcow2 -o cluster_size=4k -o help TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
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Supported options:
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size Virtual disk size
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compat Compatibility level (0.10 or 1.1)
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backing_file File name of a base image
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backing_fmt Image format of the base image
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encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
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encrypt.format Encrypt the image, format choices: 'aes'
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cluster_size qcow2 cluster size
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preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
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lazy_refcounts Postpone refcount updates
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refcount_bits Width of a reference count entry in bits
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nocow Turn off copy-on-write (valid only on btrfs)
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Testing: convert -O qcow2 -o cluster_size=4k -o ? TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
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Supported options:
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size Virtual disk size
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compat Compatibility level (0.10 or 1.1)
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backing_file File name of a base image
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backing_fmt Image format of the base image
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encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
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encrypt.format Encrypt the image, format choices: 'aes'
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cluster_size qcow2 cluster size
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preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
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lazy_refcounts Postpone refcount updates
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refcount_bits Width of a reference count entry in bits
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nocow Turn off copy-on-write (valid only on btrfs)
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Testing: convert -O qcow2 -o backing_file=TEST_DIR/t.qcow2,,help TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
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qemu-img: Could not open 'TEST_DIR/t.qcow2.base': Could not open backing file: Could not open 'TEST_DIR/t.qcow2,help': No such file or directory
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Testing: convert -O qcow2 -o backing_file=TEST_DIR/t.qcow2,,? TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
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qemu-img: Could not open 'TEST_DIR/t.qcow2.base': Could not open backing file: Could not open 'TEST_DIR/t.qcow2,?': No such file or directory
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Testing: convert -O qcow2 -o backing_file=TEST_DIR/t.qcow2, -o help TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
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qemu-img: Invalid option list: backing_file=TEST_DIR/t.qcow2,
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Testing: convert -O qcow2 -o backing_file=TEST_DIR/t.qcow2 -o ,help TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
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qemu-img: Invalid option list: ,help
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Testing: convert -O qcow2 -o backing_file=TEST_DIR/t.qcow2 -o ,, -o help TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
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qemu-img: Invalid option list: ,,
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Testing: convert -O qcow2 -o help
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Supported options:
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size Virtual disk size
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compat Compatibility level (0.10 or 1.1)
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backing_file File name of a base image
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backing_fmt Image format of the base image
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encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
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encrypt.format Encrypt the image, format choices: 'aes'
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cluster_size qcow2 cluster size
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preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
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lazy_refcounts Postpone refcount updates
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refcount_bits Width of a reference count entry in bits
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Testing: convert -o help
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Supported options:
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size Virtual disk size
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=== amend: Options specified more than once ===
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Testing: amend -f foo -f qcow2 -o lazy_refcounts=on TEST_DIR/t.qcow2
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image: TEST_DIR/t.IMGFMT
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file format: IMGFMT
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virtual size: 128M (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: true
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refcount bits: 16
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corrupt: false
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Testing: amend -f qcow2 -o size=130M -o lazy_refcounts=off TEST_DIR/t.qcow2
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image: TEST_DIR/t.IMGFMT
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file format: IMGFMT
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virtual size: 130M (136314880 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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Testing: amend -f qcow2 -o size=8M -o lazy_refcounts=on -o size=132M TEST_DIR/t.qcow2
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image: TEST_DIR/t.IMGFMT
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file format: IMGFMT
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virtual size: 132M (138412032 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: true
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refcount bits: 16
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corrupt: false
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Testing: amend -f qcow2 -o size=4M,size=148M TEST_DIR/t.qcow2
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image: TEST_DIR/t.IMGFMT
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file format: IMGFMT
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virtual size: 148M (155189248 bytes)
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cluster_size: 65536
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=== amend: help for -o ===
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Testing: amend -f qcow2 -o help TEST_DIR/t.qcow2
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Supported options:
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size Virtual disk size
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compat Compatibility level (0.10 or 1.1)
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backing_file File name of a base image
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backing_fmt Image format of the base image
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encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
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encrypt.format Encrypt the image, format choices: 'aes'
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cluster_size qcow2 cluster size
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preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
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lazy_refcounts Postpone refcount updates
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refcount_bits Width of a reference count entry in bits
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nocow Turn off copy-on-write (valid only on btrfs)
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Testing: amend -f qcow2 -o ? TEST_DIR/t.qcow2
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Supported options:
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size Virtual disk size
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compat Compatibility level (0.10 or 1.1)
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backing_file File name of a base image
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backing_fmt Image format of the base image
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encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
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encrypt.format Encrypt the image, format choices: 'aes'
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cluster_size qcow2 cluster size
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preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
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lazy_refcounts Postpone refcount updates
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refcount_bits Width of a reference count entry in bits
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nocow Turn off copy-on-write (valid only on btrfs)
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Testing: amend -f qcow2 -o cluster_size=4k,help TEST_DIR/t.qcow2
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Supported options:
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size Virtual disk size
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compat Compatibility level (0.10 or 1.1)
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backing_file File name of a base image
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backing_fmt Image format of the base image
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encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
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encrypt.format Encrypt the image, format choices: 'aes'
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cluster_size qcow2 cluster size
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preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
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lazy_refcounts Postpone refcount updates
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refcount_bits Width of a reference count entry in bits
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nocow Turn off copy-on-write (valid only on btrfs)
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Testing: amend -f qcow2 -o cluster_size=4k,? TEST_DIR/t.qcow2
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Supported options:
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size Virtual disk size
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compat Compatibility level (0.10 or 1.1)
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backing_file File name of a base image
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backing_fmt Image format of the base image
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encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
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encrypt.format Encrypt the image, format choices: 'aes'
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cluster_size qcow2 cluster size
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preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
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lazy_refcounts Postpone refcount updates
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refcount_bits Width of a reference count entry in bits
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nocow Turn off copy-on-write (valid only on btrfs)
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Testing: amend -f qcow2 -o help,cluster_size=4k TEST_DIR/t.qcow2
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Supported options:
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size Virtual disk size
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compat Compatibility level (0.10 or 1.1)
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backing_file File name of a base image
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backing_fmt Image format of the base image
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encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
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encrypt.format Encrypt the image, format choices: 'aes'
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cluster_size qcow2 cluster size
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preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
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lazy_refcounts Postpone refcount updates
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refcount_bits Width of a reference count entry in bits
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nocow Turn off copy-on-write (valid only on btrfs)
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Testing: amend -f qcow2 -o ?,cluster_size=4k TEST_DIR/t.qcow2
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Supported options:
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size Virtual disk size
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compat Compatibility level (0.10 or 1.1)
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backing_file File name of a base image
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backing_fmt Image format of the base image
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encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
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encrypt.format Encrypt the image, format choices: 'aes'
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cluster_size qcow2 cluster size
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preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
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lazy_refcounts Postpone refcount updates
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refcount_bits Width of a reference count entry in bits
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nocow Turn off copy-on-write (valid only on btrfs)
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Testing: amend -f qcow2 -o cluster_size=4k -o help TEST_DIR/t.qcow2
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Supported options:
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size Virtual disk size
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compat Compatibility level (0.10 or 1.1)
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backing_file File name of a base image
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backing_fmt Image format of the base image
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encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
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encrypt.format Encrypt the image, format choices: 'aes'
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cluster_size qcow2 cluster size
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preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
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lazy_refcounts Postpone refcount updates
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refcount_bits Width of a reference count entry in bits
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nocow Turn off copy-on-write (valid only on btrfs)
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Testing: amend -f qcow2 -o cluster_size=4k -o ? TEST_DIR/t.qcow2
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Supported options:
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size Virtual disk size
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compat Compatibility level (0.10 or 1.1)
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backing_file File name of a base image
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backing_fmt Image format of the base image
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encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
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encrypt.format Encrypt the image, format choices: 'aes'
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cluster_size qcow2 cluster size
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preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
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lazy_refcounts Postpone refcount updates
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refcount_bits Width of a reference count entry in bits
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nocow Turn off copy-on-write (valid only on btrfs)
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Testing: amend -f qcow2 -o backing_file=TEST_DIR/t.qcow2,,help TEST_DIR/t.qcow2
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Testing: rebase -u -b -f qcow2 TEST_DIR/t.qcow2
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Testing: amend -f qcow2 -o backing_file=TEST_DIR/t.qcow2,,? TEST_DIR/t.qcow2
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Testing: rebase -u -b -f qcow2 TEST_DIR/t.qcow2
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Testing: amend -f qcow2 -o backing_file=TEST_DIR/t.qcow2, -o help TEST_DIR/t.qcow2
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qemu-img: Invalid option list: backing_file=TEST_DIR/t.qcow2,
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Testing: amend -f qcow2 -o backing_file=TEST_DIR/t.qcow2 -o ,help TEST_DIR/t.qcow2
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qemu-img: Invalid option list: ,help
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Testing: amend -f qcow2 -o backing_file=TEST_DIR/t.qcow2 -o ,, -o help TEST_DIR/t.qcow2
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qemu-img: Invalid option list: ,,
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Testing: amend -f qcow2 -o help
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Supported options:
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size Virtual disk size
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compat Compatibility level (0.10 or 1.1)
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backing_file File name of a base image
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backing_fmt Image format of the base image
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encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
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encrypt.format Encrypt the image, format choices: 'aes'
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cluster_size qcow2 cluster size
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preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
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lazy_refcounts Postpone refcount updates
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refcount_bits Width of a reference count entry in bits
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Testing: convert -o help
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Supported options:
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size Virtual disk size
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*** done
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