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Short: Tool for creating/handling .vdi files Author: Fredrik Wikstrom Uploader: Fredrik Wikstrom <fredrik a500 org> Type: util/cli Version: 1.2 Architecture: ppc-amigaos Download: other/vditool.7z VDI is a disk image format used by VirtualBox that can also be mounted and used with diskimage.device. The main advantage of VDI over raw image formats like HDF f.e. is that it supports sparse or dynamic disk images where only blocks that actually contain data are stored inside the VDI file. Installation: Copy vditool SYS:C/ Usage: vditool <command> <.vdi file> [options] Commands: create Create a new .vdi file info List information about .vdi file compact Compact a dynamic .vdi file convertfromraw Convert raw (.hdf) to .vdi file converttoraw Convert .vdi to raw (.hdf) file Command syntax: vditool create <.vdi file> [fixed|dynamic] <size> vditool info <.vdi file> vditool compact <.vdi file> vditool convertfromraw <.vdi file> <raw file> [fixed|dynamic] vditool converttoraw <.vdi file> <raw file> The create command creates an empty fixed or dynamic VDI file of the size specified (in GiB). To create a 30 GiB dynamic VDI file: vditool create empty.vdi dynamic 30 The info command lists information about the VDI file like the type (fixed/ dynamic), sector size, disk size, block size, number of blocks and number of blocks currently in use. To list info about harddisk.vdi: vditool info harddisk.vdi The compact command removes any blocks in a VDI file that contains only zero bytes and then resizes the file. This operation is done in place and is not well tested at the moment so it is recommended to do a backup of the VDI file first before attempting this. To compact the VDI file system.vdi: vditool compact system.vdi In order for compacting to be of any real use you will also need a program that writes zero to any sectors unused by the filesystem(s) (AFAIK no such tool exists for AmigaOS yet). To convert amigaos3.hdf to amigaos3.vdi: vditool convertfromraw amigaos3.vdi amigaos3.hdf Convert back to raw (.hdf) format: vditool converttoraw amigaos3.vdi amigaos3.hdf Changes: 1.2 (25-May-2011) - Improved progress displays for compacting - Added break signal checks for compacting - Added convertfromraw and converttoraw commands 1.1 (22-May-2011) - First released version