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Unique Verification Problem


Incarnadine

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I just recently made a back-up of one of my DVDs, but realized something strange. For starters, I had ImgBurn burn the ISO file to a blank DVD and verify the disc after the burning was complete, but the verification was not successful because of a miscompare. Here is the log below...

 

; //****************************************\\

; ImgBurn Version 2.5.0.0 - Log

; Sunday, 13 December 2009, 12:23:48

; \\****************************************//

;

;

I 04:23:05 ImgBurn Version 2.5.0.0 started!

I 04:23:05 Microsoft Windows 7 Ultimate x64 Edition (6.1, Build 7600)

I 04:23:05 Total Physical Memory: 4,193,392 KB - Available: 2,422,696 KB

I 04:23:05 Initialising SPTI...

I 04:23:05 Searching for SCSI / ATAPI devices...

I 04:23:05 Found 1 DVD±RW/RAM!

I 04:23:25 Operation Started!

I 04:23:25 Source File: E:\Disc Images\Movies\K-Pax.mds

I 04:23:25 Source File Sectors: 3,935,665 (MODE1/2048)

I 04:23:25 Source File Size: 8,060,241,920 bytes

I 04:23:25 Source File Volume Identifier: KPAX

I 04:23:25 Source File Volume Set Identifier: 2C44594F

I 04:23:25 Source File Implementation Identifier: MEI

I 04:23:25 Source File File System(s): ISO9660, UDF (1.02)

I 04:23:25 Destination Device: [1:0:0] HL-DT-ST DVDRAM GH22NS50 TN02 (F:) (ATA)

I 04:23:25 Destination Media Type: DVD+R DL (Disc ID: RITEK-D01-01) (Speeds: 2.4x)

I 04:23:25 Destination Media Sectors: 4,173,824

I 04:23:25 Write Mode: DVD

I 04:23:25 Write Type: DAO

I 04:23:25 Write Speed: MAX

I 04:23:25 Link Size: Auto

I 04:23:25 Lock Volume: Yes

I 04:23:25 Test Mode: No

I 04:23:25 OPC: No

I 04:23:25 BURN-Proof: Enabled

I 04:23:25 Book Type Setting: DVD-ROM

I 04:23:25 Optimal L0 Data Zone Capacity: 1,967,840

I 04:23:25 Optimal L0 Data Zone Method: Copied From Original Disc

I 04:23:55 Set L0 Data Zone Capacity Succeeded!

I 04:23:55 Filling Buffer... (40 MB)

I 04:23:57 Writing LeadIn...

I 04:23:59 Writing Session 1 of 1... (1 Track, LBA: 0 - 3935664)

I 04:23:59 Writing Track 1 of 1... (MODE1/2048, LBA: 0 - 3935664)

I 04:23:59 Writing Layer 0... (LBA: 0 - 1967839)

I 04:44:20 Writing Layer 1... (LBA: 1967840 - 3935664)

I 05:04:43 Synchronising Cache...

I 05:04:44 Closing Track...

I 05:04:47 Finalising Disc...

I 05:05:45 Exporting Graph Data...

I 05:05:45 Graph Data File: C:\Users\Incarnadine\AppData\Roaming\ImgBurn\Graph Data Files\HL-DT-ST_DVDRAM_GH22NS50_TN02_SUNDAY-DECEMBER-13-2009_4-23_AM_RITEK-D01-01_MAX.ibg

I 05:05:45 Export Successfully Completed!

I 05:05:45 Operation Successfully Completed! - Duration: 00:42:19

I 05:05:45 Average Write Rate: 3,220 KB/s (2.3x) - Maximum Write Rate: 3,367 KB/s (2.4x)

I 05:05:45 Cycling Tray before Verify...

W 05:05:53 Waiting for device to become ready...

I 05:06:12 Device Ready!

I 05:06:15 Operation Started!

I 05:06:15 Source Device: [1:0:0] HL-DT-ST DVDRAM GH22NS50 TN02 (F:) (ATA)

I 05:06:15 Source Media Type: DVD+R DL (Book Type: DVD-ROM) (Disc ID: RITEK-D01-01) (Speeds: 2.4x)

I 05:06:15 Image File: E:\Disc Images\Movies\K-Pax.mds

I 05:06:15 Image File Sectors: 3,935,665 (MODE1/2048)

I 05:06:15 Image File Size: 8,060,241,920 bytes

I 05:06:15 Image File Volume Identifier: KPAX

I 05:06:15 Image File Volume Set Identifier: 2C44594F

I 05:06:15 Image File Implementation Identifier: MEI

I 05:06:15 Image File File System(s): ISO9660, UDF (1.02)

I 05:06:15 Read Speed (Data/Audio): MAX / MAX

I 05:06:15 Verifying Session 1 of 1... (1 Track, LBA: 0 - 3935664)

I 05:06:15 Verifying Track 1 of 1... (MODE1/2048, LBA: 0 - 3935664)

I 05:06:15 Verifying Layer 0... (LBA: 0 - 1967839)

I 05:12:12 Verifying Layer 1... (LBA: 1967840 - 3935664)

E 12:23:40 Miscompare at LBA: 2035344, Offset: 2, File: \VIDEO_TS\VTS_07_3.VOB

E 12:23:40 Device: 0x00

E 12:23:40 Image File: 0x01

E 12:23:40 Total Errors in Sector: 2,012

E 12:23:40 Failed to Verify Sectors!

I 12:23:41 Exporting Graph Data...

I 12:23:41 Graph Data File: C:\Users\Incarnadine\AppData\Roaming\ImgBurn\Graph Data Files\HL-DT-ST_DVDRAM_GH22NS50_TN02_SUNDAY-DECEMBER-13-2009_4-23_AM_RITEK-D01-01_MAX.ibg

I 12:23:41 Export Successfully Completed!

E 12:23:41 Operation Failed! - Duration: 07:17:25

I 12:23:41 Average Verify Rate: 155 KB/s (0.1x) - Maximum Verify Rate: 15,979 KB/s (11.5x)

I 12:23:48 Close Request Acknowledged

I 12:23:48 Closing Down...

I 12:23:48 Shutting down SPTI...

I 12:23:48 ImgBurn closed!

 

After I noticed that the verification failed, I decided to try and verify the disc one more time, just out of curiosity, but to my surprise the second verification attempt was successful! Here is the log below...

 

; //****************************************\\

; ImgBurn Version 2.5.0.0 - Log

; Sunday, 13 December 2009, 22:33:00

; \\****************************************//

;

;

I 21:15:08 ImgBurn Version 2.5.0.0 started!

I 21:15:08 Microsoft Windows 7 Ultimate x64 Edition (6.1, Build 7600)

I 21:15:08 Total Physical Memory: 4,193,392 KB - Available: 2,735,416 KB

I 21:15:08 Initialising SPTI...

I 21:15:08 Searching for SCSI / ATAPI devices...

I 21:15:08 Found 1 DVD±RW/RAM!

I 21:15:22 Operation Started!

I 21:15:22 Source Device: [1:0:0] HL-DT-ST DVDRAM GH22NS50 TN02 (F:) (ATA)

I 21:15:22 Source Media Type: DVD+R DL (Book Type: DVD-ROM) (Disc ID: RITEK-D01-01) (Speeds: 2.4x)

I 21:15:22 Image File: E:\Disc Images\Movies\K-Pax.mds

I 21:15:22 Image File Sectors: 3,935,665 (MODE1/2048)

I 21:15:22 Image File Size: 8,060,241,920 bytes

I 21:15:22 Image File Volume Identifier: KPAX

I 21:15:22 Image File Volume Set Identifier: 2C44594F

I 21:15:22 Image File Implementation Identifier: MEI

I 21:15:22 Image File File System(s): ISO9660, UDF (1.02)

I 21:15:22 Read Speed (Data/Audio): MAX / MAX

I 21:15:23 Verifying Session 1 of 1... (1 Track, LBA: 0 - 3935664)

I 21:15:23 Verifying Track 1 of 1... (MODE1/2048, LBA: 0 - 3935664)

I 21:15:23 Verifying Layer 0... (LBA: 0 - 1967839)

I 21:29:27 Verifying Layer 1... (LBA: 1967840 - 3935664)

I 21:43:48 Exporting Graph Data...

I 21:43:49 Graph Data File: C:\Users\Incarnadine\AppData\Roaming\ImgBurn\Graph Data Files\HL-DT-ST_DVDRAM_GH22NS50_TN02_SUNDAY-DECEMBER-13-2009_9-15_PM_RITEK-D01-01.ibg

I 21:43:49 Export Successfully Completed!

I 21:43:49 Operation Successfully Completed! - Duration: 00:28:26

I 21:43:49 Average Verify Rate: 4,616 KB/s (3.3x) - Maximum Verify Rate: 6,754 KB/s (4.9x)

I 22:32:59 Close Request Acknowledged

I 22:32:59 Closing Down...

I 22:33:00 Shutting down SPTI...

I 22:33:00 ImgBurn closed!

 

If anyone can explain how or why the first verification failed, but the second verification attempt was a success I would greatly appreciate that. Thank you for reading!

Edited by Incarnadine
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The media you're using is dodgy at best and the drive may have misread the sector due to the disc being hot. If you took the disc out then put it back in the drive may also have chosen to use a more adequate laser power to read the disc. It could also be caused by a bad filter driver (look in ImgBurn's Tools menu).

 

There's a very small chance that it could be due to system memory problems, but you'd have noticed programs crashing, BSODs and reboots.

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The media you're using is dodgy at best and the drive may have misread the sector due to the disc being hot. If you took the disc out then put it back in the drive may also have chosen to use a more adequate laser power to read the disc. It could also be caused by a bad filter driver (look in ImgBurn's Tools menu).

 

There's a very small chance that it could be due to system memory problems, but you'd have noticed programs crashing, BSODs and reboots.

 

I have been using this media for months now and I have never experienced anything like this before. I checked for firmware updates for my drive and it still has the latest firmware. I then did some snooping around on the internet and found that the lens on my burner could be dirty. Do you think using a lens cleaner might help? I believe Memorex makes discs that have little brushes on them. If you think trying this is a good idea or a bad idea then please let me know. Thank you.

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I think the problem could be related to the media you're using, and I don't think a cleaning disc would help since that's a pretty new burner and it's unlikely that its lens are dirty already.

 

You do have a good point. My drive is fairly new so the lens shouldn't be dirty. Hhhhmmmm.....it looks like I'm going to experiment with some new media then. Thanks a lot for the help! I will be sure to post back here when I finally find a solution to this :)

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