http://www.forensicswiki.org/wiki/Ddrescue
TMP
opf:monitrix andy$ ddrescue –no-split /dev/disk4 sg.img log
GNU ddrescue 1.17 Press Ctrl-C to interrupt rescued: 1281 MB, errsize: 0 B, current rate: 739 kB/s ipos: 1281 MB, errors: 0, average rate: 3578 kB/s opos: 1281 MB, time since last successful read: 0 s Finished
GNU ddrescue 1.17
Press Ctrl-C to interrupt
rescued: 1281 MB, errsize: 0 B, current rate: 739 kB/s
ipos: 1281 MB, errors: 0, average rate: 3578 kB/s
opos: 1281 MB, time since last successful read: 0 s
Finished
opf:monitrix andy$ mv sg.img “1.2G8-Se-Media.img”
opf:monitrix andy$ ddrescue –no-split /dev/disk4 sg.img log2
GNU ddrescue 1.17
Press Ctrl-C to interrupt
rescued: 73474 kB, errsize: 20401 MB, current rate: 860 kB/s
ipos: 73597 kB, errors: 1, average rate: 6679 kB/s
opos: 73597 kB, time since last successful read: 0 s
Finished
opf:monitrix andy$ ddrescue –no-split /dev/disk4 sg2.img log3
GNU ddrescue 1.17
Press Ctrl-C to interrupt
rescued: 140103 kB, errsize: 20401 MB, current rate: 1626 kB/s
ipos: 140182 kB, errors: 1, average rate: 7005 kB/s
opos: 140182 kB, time since last successful read: 0 s
Finished
opf:monitrix andy$ ddrescue –direct –max-retries=3 /de
Developer/ dev/
opf:monitrix andy$ ddrescue –direct –max-retries=3 /dev/di
disk0 disk0s1 disk0s2 disk0s3 disk1 disk1s1 disk1s2 disk2 disk2s1 disk2s2 disk3 disk3s1 disk3s2 disk4
opf:monitrix andy$ ddrescue –direct –max-retries=3 /dev/disk4 sg.img lo
log log2 log3 logs/
opf:monitrix andy$ ddrescue –direct –max-retries=3 /dev/disk4 sg.img log2
ddrescue: Direct disc access not available.
opf:monitrix andy$ rm sg.img
.cache .settings/ README.md log2 public/ temp.zip
.classpath .target/ app/ log3 sg.img test/
.git/ 1.2G8-Se-Media.img compression-test.py logs/ sg2.img test.txt
.gitignore LICENSE.txt conf/ onclick-support-new-tabs.html target/ tools/
.project NotesIdeas.txt log project/ temp.txt.Z
opf:monitrix andy$ rm sg.img
opf:monitrix andy$ rm sg2.img
opf:monitrix andy$ tm log2
-bash: tm: command not found
opf:monitrix andy$ rm log2 log3
opf:monitrix andy$ ddrescue –direct –max-retries=3 /dev/disk4 sg.img log2^C
opf:monitrix andy$ ddrescue –no-split /dev/disk4 sg.img log2
GNU ddrescue 1.17 Press Ctrl-C to interrupt rescued: 15020 MB, errsize: 0 B, current rate: 0 B/s ipos: 15020 MB, errors: 0, average rate: 7819 kB/s opos: 15020 MB, time since last successful read: 1 s Finished
$ python /Users/andy/Documents/RISCOS/lba_fix.py Moving the 0x01 LBA flag… Pre-write LBA offset 01 Post-write LBA offset 00 Pre-write safe offset 00 Post-write safe offset 01
dd if=/dev/zero of=null512.bin bs=512 count=1
cat ~/Library/Application\ Support/RPCEmu/null512.bin Disk\ Recovery/imagefile2 > ~/Library/Application\ Support/RPCEmu/hd4.hdf
16 bit IDE interface for Acorn Computers Resources, Simtec 16-bit IDE interface for Acorn Archimedes
RPCEmu error: use of undeclared identifier ‘useDistantHdwrMem’ Installing RPCEmu and RISC OS 3.71 on Windows
hd4 not mounting USB enclosure with IDE disc
Re: [Rpcemu] Using RiscPC IDE diskimage as hd4.hdf - LBA issue
Using IDE image in RPCEmu mentioning 512 nulls - TO LEAVE COMMENT ONCE WRITTEN. Accessing Large ADFS Hard Drive Images RiscPC 600 image mount it under emulator?
!Boot problem http://www.wrocc.org.uk/howto/article.php?id=bootlog
RISC OS was then shut down and the emulator closed to save the ‘CMOS RAM’ settings, then the emulator was re-run. This time, “EmuFS” was shown as the system started. When the boot finished there was a backdrop on the pinboard, so !Boot must have run. However, the screen was still at 640 × 480. To change this, Steve double-clicked on !Boot to start Configure, went to the Screen section, chose ‘Acorn AKF65’ and set ‘256 Colours’, and ‘800 × 600’. However, when Set was clicked there was an error: “EmuFS must be given a filename”.
Steve suggested (having found the problem when he had first installed RPCemu) that this was ‘probably’ due to an error during booting preventing the sequence from completing correctly. This problem isn’t restricted to RPCemu, and can be seen on all hardware and all versions of RISC OS when things go wrong. In order to track it down, he installed Martin Avison’s Reporter and configured it to log every step of the boot sequence (as described in this howto article). From http://www.wrocc.org.uk/meetings/report.php?year=2009&month=6
Got disc geometry from !Zap via http://ftp.netbsd.org/pub/NetBSD/arch/arm32/riscos/docs/prep.RISCOS
http://www.4corn.co.uk/articles/sparkplug/
VirtualRPC guessing disc shape: 512 * 63 * 16 * 2xxxx == 15GB
On Systems