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Full Discussion: Filesystem Problems with DMG
Special Forums Hardware Filesystems, Disks and Memory Filesystem Problems with DMG Post 302737235 by Imhotep1963 on Wednesday 28th of November 2012 02:14:03 PM
Old 11-28-2012
Filesystem Problems with DMG

Hi all! I have a task that has been giving me problems.I have my sister-in-law's external hard drive that has been damaged and the filesystem is not mountable.

I am on a Mac running OSX 10.6.8

Using ddrescue, I recovered the contents and transferred to my external drive:

Code:
sudo ddrescue -v /dev/disk5 /volumes/backup/jj-recover.dmg jj-recover.log

Upon completion, I tried to mount the image by double-clicking it but received the error:

Code:
"No mountable filesystem"

So I tried using hdiutil:
Code:
sudo hdiutil attach -nomount /volumes/backup/jj-recover.dmg

Success!
Code:
/dev/disk6

So I try to mount:

Code:
sudo mkdir /volumes/jj-drive
sudo mount -t hfs -r /dev/disk6 /volumes/jj-drive

Error

Code:
hfs: failed to load catalog file

So I ran Testdisk and got this information:

Code:
Disk /dev/rdisk5 - 1000 GB / 931 GiB - 1953525168 sectors                       
     Partition               Start        End    Size in sectors                
>P CramFS                 313874337  319333484    5459148 [     L  ^Og~Yo]      
 P HFS+                  1952521844 1953058783     536940


1952521844
1953058783

So here I am debating what to do. I was hoping that someone may have had similar issue or may have some recommendation as to what to do next.

I appreciate any and all help!!

Thank you!
 

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IRSEND(1)							   User Commands							 IRSEND(1)

NAME
irsend - basic LIRC program to send infra-red commands SYNOPSIS
irsend [options] DIRECTIVE REMOTE CODE [CODE...] DESCRIPTION
Asks the lircd daemon to send one or more CIR (Consumer Infra-Red) commands. This is intended for remote control of electronic devices such as TV boxes, HiFi sets, etc. DIRECTIVE can be: SEND_ONCE - send CODE [CODE ...] once SEND_START - start repeating CODE SEND_STOP - stop repeating CODE LIST - list configured remote items SET_TRANSMITTERS - set transmitters NUM [NUM ...] SIMULATE - simulate IR event REMOTE is the name of a remote, as described in the lircd configuration file. CODE is the name of a remote control key of REMOTE, as it appears in the lircd configuration file. NUM is the transmitter number of the hardware device. For the LIST DIRECTIVE, REMOTE and/or CODE can be empty: LIST "" "" - list all configured remote names LIST REMOTE "" - list all codes of REMOTE LIST REMOTE CODE - list only CODE of REMOTE The SIMULATE command only works if it has been explicitly enabled in lircd. -h --help display usage summary -v --version display version -d --device use given lircd socket [/var/run/lirc/lircd] -a --address=host[:port] connect to lircd at this address -# --count=n send command n times EXAMPLES
irsend LIST DenonTuner "" irsend SEND_ONCE DenonTuner PROG-SCAN irsend SEND_ONCE OnkyoAmpli VOL-UP VOL-UP VOL-UP VOL-UP irsend SEND_START OnkyoAmpli VOL-DOWN ; sleep 3 irsend SEND_STOP OnkyoAmpli VOL-DOWN irsend SET_TRANSMITTERS 1 irsend SET_TRANSMITTERS 1 3 4 irsend SIMULATE "0000000000000476 00 OK TECHNISAT_ST3004S" FILES
/etc/lirc/lircd.conf Default lircd configuration file. It should contain all the remotes, their infra-red codes and the corresponding timing and wave- form details. DIAGNOSTICS
If lircd is not running (or /var/run/lirc/lircd lacks write permissions) irsend aborts with the following diagnostics: "irsend: could not connect to socket" "irsend: Connection refused" (or "Permission denied"). SEE ALSO
The documentation for lirc is maintained as html pages. They are located under html/ in the documentation directory. lircd(8), mode2(1), smode2(1), xmode2(1), irrecord(1), irw(1), http://www.lirc.org. irsend 0.9.0-pre1 October 2010 IRSEND(1)
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