April 20th, 2017, 15:55
April 20th, 2017, 21:40
April 21st, 2017, 5:24
April 21st, 2017, 8:39
labtech wrote:How successful was the ddrescue image? How many unread sectors and where on the drive were they?
If there were no unreads, then what is the problem background? Volume formatting/overwriting?
# Rescue Logfile. Created by GNU ddrescue version 1.19
# Command line: ddrescue -d /dev/sdd /media/slim/recovery/slim.img /media/slim/recovery/slim.logfile
# Start time: 2017-04-10 10:26:10
# Current time: 2017-04-10 10:27:38
# Copying non-tried blocks... Pass 1 (forwards)
# current_pos current_status
0x04430000 ?
# pos size status
0x00000000 0x04430000 +
0x04430000 0xF54DB0000 ?
0xF591E0000 0x0FC00000 +
0xF68DE0000 0x00010000 *
0xF68DF0000 0x16690000 +
0xF7F480000 0x00010000 *
0xF7F490000 0x73280000 +
0xFF2710000 0x00010000 *
0xFF2720000 0xDF2B20000 +
0x1DE5240000 0x00010000 *
0x1DE5250000 0x3EE8E0000 +
0x21D3B30000 0x00010000 *
0x21D3B40000 0x8CD519E000 +
April 21st, 2017, 9:01
April 21st, 2017, 15:04
trinsic wrote:I looked at the logfile and it doesn't show any information when I ran it in reverse mode is it possible that it was showing me it was reading the disk but it really wasn't?
April 21st, 2017, 16:16
Character Meaning
-----------------------------------------
'?' non-tried block
'*' failed block non-trimmed
'/' failed block non-scraped
'-' failed block bad-sector(s)
'+' finished block
# pos size status
0x00000000 0x04430000 + finished block
0x04430000 0xF54DB0000 ? non-tried block
0xF591E0000 0x0FC00000 + finished block
0xF68DE0000 0x00010000 * 64KiB failed block non-trimmed
0xF68DF0000 0x16690000 + finished block
0xF7F480000 0x00010000 * 64KiB failed block non-trimmed
0xF7F490000 0x73280000 + finished block
0xFF2710000 0x00010000 * 64KiB failed block non-trimmed
0xFF2720000 0xDF2B20000 + finished block
0x1DE5240000 0x00010000 * 64KiB failed block non-trimmed
0x1DE5250000 0x3EE8E0000 + finished block
0x21D3B30000 0x00010000 * 64KiB failed block non-trimmed
0x21D3B40000 0x8CD519E000 + finished block
April 21st, 2017, 16:30
labtech wrote:trinsic wrote:I looked at the logfile and it doesn't show any information when I ran it in reverse mode is it possible that it was showing me it was reading the disk but it really wasn't?
Not sure, sorry.
If it only 3 bad sectors, then it should not be a big deal and the drive should present a fairly complete file tree.
Have you run a scan with UFS or a another tool on the image/drive?
Also, are you sure the volumes aren't encrypted?
April 21st, 2017, 16:32
fzabkar wrote:The mapfile is regularly updated. The meaning of each status character is as follows:
- Code:
Character Meaning
-----------------------------------------
'?' non-tried block
'*' failed block non-trimmed
'/' failed block non-scraped
'-' failed block bad-sector(s)
'+' finished block
https://www.gnu.org/s/ddrescue/manual/ddrescue_manual.html
- Code:
# pos size status
0x00000000 0x04430000 + finished block
0x04430000 0xF54DB0000 ? non-tried block
0xF591E0000 0x0FC00000 + finished block
0xF68DE0000 0x00010000 * 64KiB failed block non-trimmed
0xF68DF0000 0x16690000 + finished block
0xF7F480000 0x00010000 * 64KiB failed block non-trimmed
0xF7F490000 0x73280000 + finished block
0xFF2710000 0x00010000 * 64KiB failed block non-trimmed
0xFF2720000 0xDF2B20000 + finished block
0x1DE5240000 0x00010000 * 64KiB failed block non-trimmed
0x1DE5250000 0x3EE8E0000 + finished block
0x21D3B30000 0x00010000 * 64KiB failed block non-trimmed
0x21D3B40000 0x8CD519E000 + finished block
"pos" is the byte offset into your physical drive.
The last finished block spans the area from 145GB to 750GB.0x21D3B40000 bytes = 145.29 GB
(0x21D3B40000 + 0x8CD519E000) bytes = 750.16 GB
The non-tried block is located between 72MB and 66GB.0x04430000 bytes = 71.5 MB
(0x04430000 + 0xF54DB0000) bytes = 65.92 GB
April 22nd, 2017, 0:54
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