qemu-nbd
E724165
qemu-nbd is a QEMU utility that exposes disk image files as Network Block Device (NBD) devices, allowing them to be accessed like regular block storage.
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
QEMU component
ⓘ
software utility ⓘ |
| allows |
accessing disk images as regular block devices
ⓘ
mounting guest filesystems on the host ⓘ read-only access to disk images ⓘ read-write access to disk images ⓘ |
| commandName | qemu-nbd NERFINISHED ⓘ |
| configuration | invoked via command-line options ⓘ |
| distribution | included in qemu-utils packages on many Linux distributions ⓘ |
| documentation | QEMU manual pages NERFINISHED ⓘ |
| implements | Network Block Device protocol NERFINISHED ⓘ |
| input |
QEMU disk image file
ⓘ
qcow disk image file ⓘ qcow2 disk image file ⓘ raw disk image file ⓘ vdi disk image file ⓘ vmdk disk image file ⓘ |
| license | GNU General Public License ⓘ |
| operatingSystem |
Linux
ⓘ
Unix-like systems ⓘ |
| optionExample |
--connect to attach an image to an /dev/nbdX device
ⓘ
--disconnect to detach an /dev/nbdX device ⓘ --format to specify image format ⓘ --partition to export a specific partition ⓘ --read-only to export image as read-only ⓘ |
| output |
/dev/nbdX device node
ⓘ
NBD block device ⓘ |
| partOf | QEMU NERFINISHED ⓘ |
| primaryFunction |
expose disk image files as NBD devices
ⓘ
provide block device access to disk images ⓘ |
| requires | nbd kernel module on Linux ⓘ |
| supportsFeature |
TLS-encrypted NBD connections
ⓘ
caching options ⓘ copy-on-write backing files via QEMU formats ⓘ discard (TRIM) operations depending on format ⓘ exporting entire disk ⓘ exporting specific partitions ⓘ persistent NBD exports ⓘ sparse image handling ⓘ |
| supportsProtocol | NBD NERFINISHED ⓘ |
| typicalPath | /usr/bin/qemu-nbd ⓘ |
| upstreamRepository | QEMU source code repository ⓘ |
| usedFor |
file recovery from VM disk images
ⓘ
inspecting and modifying guest filesystems ⓘ offline maintenance of virtual machine images ⓘ resizing partitions inside disk images ⓘ testing NBD clients ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.