On Sun, 2009-08-02 at 17:19 -0700, Les wrote: > On Sun, 2009-08-02 at 14:38 -0400, Robert P. J. Day wrote: > > On Sun, 2 Aug 2009, Patrick O'Callaghan wrote: > > > > > On Sun, 2009-08-02 at 12:54 -0500, Mikkel L. Ellertson wrote: > > > > Bazooka Joe wrote: > > > > > Is there a way to combine these 2 commands to cut my time in half? > > > > > > > > > > VBoxManage internalcommands converttoraw file.vdi file.raw > > > > > then I have to run > > > > > dd if=file.raw of=/dev/sdb > > > > > > > > > > -thx > > > > > > > > > You can can command on the same command in several ways. It depends > > > > on what you put between the command. > > > > > > > > ; - always run the next command. > > > > && - run the second command only if the first command is successful. > > > > || - run the second command if the first one fails. > > > > > > How is this going to reduce his total time? The commands are still > > > running sequentially. > > > > i'd bump up the blocksize of that dd command. IIRC, the default > > blocksize for dd is 512 bytes -- painfully small and resulting in lots > > and lots of little writes. crank up the blocksize significantly and > > that second command should speed up noticeably. > > > > rday > if the vbox command can follow fully qualified paths, you should be able > to simply say converttoraw file.vdi /pathtosda/file.raw > > However, going between disks may be faster or slower, depending on the > way the command buffers the data, and/or handles disk I/O. Personally I > think some fundamental experimentation is in order. There is a final > issue in that some video files are protected in such a way that copying > them is prohibited. I don't know or care about the details as I never > do anything with video. However be aware that some driver software > includes checks for pirating video and audio. If your driver is setup > to prohibit copying according to the DMCA, it will not work as expected. AFAIK the OP is trying to convert a VB virtual disk to a raw format. Perhaps you misread vdi for dvi. I'm not sure it's even possible to do what he's asking, but it has nothing to do with video. poc -- fedora-list mailing list fedora-list@xxxxxxxxxx To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list Guidelines: http://fedoraproject.org/wiki/Communicate/MailingListGuidelines
