Oracle VM Server에서 Templates 디렉토리의 이미지를 VM을 생성하기 위해서 copy하는 과정은 dd를 통해서 함
샘플
/bin/dd if /OVS/Repositories/0004fb000003000007f61b5778cee94b/VirtualDisks/88b81577-947d-4064-bc64-ec7c1b4633f7.img of /OVS/Repositories/0004fb000003000007f61b5778cee94b/VirtualDisks/0004fb0000120000b4b1a86c97e4d59b.img bs 1M iflag direct oflag direct conv sparse
주요 옵션 분석
bs=BYTES force ibs=BYTES and obs=BYTES
iflag=FLAGS read as per the comma separated symbol list
oflag=FLAGS write as per the comma separated symbol list
conv=CONVS convert the file as per the comma separated symbol list
sparse: write output as sparse file if possible.
note: blocksize must be specified AND be larger than the
blocksize in use by the FS.