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133 lines
6.1 KiB
Plaintext
133 lines
6.1 KiB
Plaintext
wrote 4096/4096 bytes at offset 0
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4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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=== Launch VM ===
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{"execute": "nbd-server-start", "arguments": {"addr": {"data": {"path": "SOCK_DIR/PID-socket"}, "type": "unix"}}}
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{"return": {}}
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{"execute": "query-block-exports", "arguments": {}}
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{"return": []}
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=== Create a read-only NBD export ===
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{"execute": "block-export-add", "arguments": {"id": "export0", "node-name": "fmt", "type": "nbd"}}
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{"return": {}}
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{"execute": "query-block-exports", "arguments": {}}
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{"return": [{"id": "export0", "node-name": "fmt", "shutting-down": false, "type": "nbd"}]}
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exports available: 1
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export: 'fmt'
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size: 67108864
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flags: 0x58f ( readonly flush fua df multi cache )
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min block: XXX
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opt block: XXX
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max block: XXX
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available meta contexts: 1
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base:allocation
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=== Try a few invalid things ===
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{"execute": "block-export-add", "arguments": {"id": "#invalid", "node-name": "fmt", "type": "nbd"}}
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{"error": {"class": "GenericError", "desc": "Invalid block export id"}}
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{"execute": "block-export-add", "arguments": {"id": "export0", "node-name": "fmt", "type": "nbd"}}
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{"error": {"class": "GenericError", "desc": "Block export id 'export0' is already in use"}}
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{"execute": "block-export-add", "arguments": {"id": "export1", "node-name": "ro", "type": "nbd", "writable": true}}
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{"error": {"class": "GenericError", "desc": "Cannot export read-only node as writable"}}
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{"execute": "block-export-del", "arguments": {"id": "export1"}}
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{"error": {"class": "GenericError", "desc": "Export 'export1' is not found"}}
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{"execute": "query-block-exports", "arguments": {}}
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{"return": [{"id": "export0", "node-name": "fmt", "shutting-down": false, "type": "nbd"}]}
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=== Move export to an iothread ===
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{"execute": "device_add", "arguments": {"drive": "fmt", "driver": "scsi-hd", "id": "sda"}}
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{"return": {}}
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{"execute": "query-block-exports", "arguments": {}}
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{"return": [{"id": "export0", "node-name": "fmt", "shutting-down": false, "type": "nbd"}]}
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exports available: 1
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export: 'fmt'
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size: 67108864
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flags: 0x58f ( readonly flush fua df multi cache )
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min block: XXX
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opt block: XXX
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max block: XXX
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available meta contexts: 1
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base:allocation
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=== Add export with conflicting iothread ===
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{"execute": "device_add", "arguments": {"drive": "null", "driver": "scsi-hd", "id": "sdb"}}
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{"return": {}}
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{"execute": "block-export-add", "arguments": {"fixed-iothread": true, "id": "export1", "iothread": "iothread1", "node-name": "null", "type": "nbd", "writable": true}}
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{"error": {"class": "GenericError", "desc": "Cannot change iothread of active block backend"}}
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{"execute": "block-export-add", "arguments": {"fixed-iothread": false, "id": "export1", "iothread": "iothread1", "node-name": "null", "type": "nbd", "writable": true}}
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{"error": {"class": "GenericError", "desc": "Permission conflict on node 'null': permissions 'write' are both required by an unnamed block device (uses node 'null' as 'root' child) and unshared by block device 'sdb' (uses node 'null' as 'root' child)."}}
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=== Add a writable export ===
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{"execute": "block-export-add", "arguments": {"description": "This is the writable second export", "id": "export1", "name": "export1", "node-name": "fmt", "type": "nbd", "writable": true, "writethrough": true}}
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{"error": {"class": "GenericError", "desc": "Permission conflict on node 'fmt': permissions 'write' are both required by an unnamed block device (uses node 'fmt' as 'root' child) and unshared by block device 'sda' (uses node 'fmt' as 'root' child)."}}
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{"execute": "device_del", "arguments": {"id": "sda"}}
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{"return": {}}
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{"data": {"device": "sda", "path": "/machine/peripheral/sda"}, "event": "DEVICE_DELETED", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
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{"execute": "device_add", "arguments": {"drive": "fmt", "driver": "scsi-hd", "id": "sda", "share-rw": true}}
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{"return": {}}
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{"execute": "block-export-add", "arguments": {"description": "This is the writable second export", "id": "export1", "name": "export1", "node-name": "fmt", "type": "nbd", "writable": true, "writethrough": true}}
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{"return": {}}
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{"execute": "query-block-exports", "arguments": {}}
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{"return": [{"id": "export1", "node-name": "fmt", "shutting-down": false, "type": "nbd"}, {"id": "export0", "node-name": "fmt", "shutting-down": false, "type": "nbd"}]}
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exports available: 2
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export: 'fmt'
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size: 67108864
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flags: 0x58f ( readonly flush fua df multi cache )
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min block: XXX
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opt block: XXX
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max block: XXX
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available meta contexts: 1
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base:allocation
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export: 'export1'
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description: This is the writable second export
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size: 67108864
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flags: 0xded ( flush fua trim zeroes df multi cache fast-zero )
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min block: XXX
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opt block: XXX
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max block: XXX
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available meta contexts: 1
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base:allocation
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=== Connect qemu-io to export1, try removing exports ===
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read 4096/4096 bytes at offset 0
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4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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wrote 4096/4096 bytes at offset 4096
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4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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{"execute": "block-export-del", "arguments": {"id": "export1"}}
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{"error": {"class": "GenericError", "desc": "export 'export1' still in use"}}
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{"execute": "block-export-del", "arguments": {"id": "export0"}}
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{"return": {}}
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[{"data": {"id": "export0"}, "event": "BLOCK_EXPORT_DELETED", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}]
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{"execute": "query-block-exports", "arguments": {}}
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{"return": [{"id": "export1", "node-name": "fmt", "shutting-down": false, "type": "nbd"}]}
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exports available: 1
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export: 'export1'
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description: This is the writable second export
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size: 67108864
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flags: 0xded ( flush fua trim zeroes df multi cache fast-zero )
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min block: XXX
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opt block: XXX
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max block: XXX
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available meta contexts: 1
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base:allocation
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=== Connect qemu-io again, try force removing ===
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{"execute": "block-export-del", "arguments": {"id": "export1"}}
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{"error": {"class": "GenericError", "desc": "export 'export1' still in use"}}
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{"execute": "block-export-del", "arguments": {"id": "export1", "mode": "hard"}}
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{"return": {}}
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read failed: Input/output error
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{"execute": "query-block-exports", "arguments": {}}
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{"return": []}
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exports available: 0
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=== Shut down QEMU ===
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