rebase [-f fmt] [-t cache] [-p] [-u] -b backing_file [-F backing_fmt] filename resize filename [+ | -]size Command parameters: filename is a disk image filename fmt is the disk image format. It is guessed automatically in most cases. See below for a description of the suppor...
4、调整虚拟磁盘容量大小 resize [-q] filename [+ | -]size 创建完磁盘以后 ,可能需要对磁盘进行扩容操作,这个时候可以用过 qemu-img resize命令实现 测试发现,qcow2和RAW格式的磁盘文件均支持扩容,但是仅raw格式文件支持缩容,qcow2不支持,这与两种磁盘文件类型有关,raw为连续的。另外,需要注意,在生产环境中,...
qemu-img commit [--object OBJECTDEF] [--image-opts] [-q] [-f FMT] [-t CACHE] [-b BASE] [-d] [-p] FILENAME 1. 把FILENAME 镜像中记录的更改提交到其关系链的某个 backing file 中。如果 backing file 比 FILENAME 小,那么backing file的大小将调整为与 FILENAME 相同的大小。如果FILENAME...
[root@desktop example]# qemu-img info test5.qcow2 image: test5.qcow2 file format: qcow2 virtual size: 1.0G (1073741824 bytes) disk size: 1.0G cluster_size: 65536 Format specific information: compat: 1.1 lazy refcounts: false [root@desktop example]# qemu-img resize test5.qcow2 +2G Im...
qemu-img resize mydisk.img +5G In the above command, we use the "resize" option followed by the name of the disk image. The "+5G" parameter specifies the amount by which we want to increase the size of the disk image. Similarly, "-5G" can be used to decrease the size of the di...
will yield the exit code 0, independently of the image state before. @item create [-f @var{fmt}] [-b @var{backing_file}] [-F @var{backing_fmt}] [-u] [-o @var{options}] @var{filename} [@var{size}] Create the new disk image @var{filename} of size @var{size} and format...
for qemu-img to create a sparse image during conversion. This value is rounded down to the nearest 512 bytes. You may use the common size suffixes like @code{k} for kilobytes. @item -t @var{cache} specifies the cache mode that should be used with the (destination) file. See the docu...
...qemu-img create -f raw rbd:{pool-name}/{image-name} {size} 例如: [root@ltczhp20 ~]# qemu-img create -f...qemu-img resize rbd:{pool-name}/{image-name} {size} 例如: [root@ltczhp20 ~]# qemu-img resize -f raw rbd...qemu-img convert -c -f fmt -O out_fmt -o ...
parse_size]filename[filename2[...]]output_filenameinfo[-ffmt][--output=ofmt][--backing-chain]filenamemap[-ffmt][--output=ofmt]filenamesnapshot[-q][-l|-asnapshot|-csnapshot|-dsnapshot]filenamerebase[-q][-ffmt][-tcache][-p][-u]-bbacking_file[-Fbacking_fmt]filenameresize[-...
@item resize [--object @var{objectdef}] [--image-opts] [-f @var{fmt}] [--preallocation=@var{prealloc}] [-q] [--shrink] @var{filename} [+ | -]@var{size} Change the disk image as if it had been created with @var{size}. Before using this command to shrink a disk image...