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Incorrect verification errors?


Growltiger
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I am new to ImgBurn but have already burned a number of BD-R disks (single layer) with no problems at all. I have an LG BE14NU40 USB3 external recorder. I am using TDK media.

 

But today I burned a disk and got several verify errors. So I threw the disk away and tried again. Same result.

 

So I wondered if the disk was in fact correct and the verify was incorrect for some reason. I noticed that the read speed is very high indeed, the drive is noisy. I am configuring it to write at 4x and it was reading at about 11x.

 

Q1. Is there some way to set the read speed when verifying?

 

Next I tried the Verify mode. I was writing files, not an image, and it doesn't seem to support reading back files and comparing?

Q2. Is that right?

 

So I tried Verify anyway and it just seemed to read the disk to check it was readable. It read without errors.

Q3. Have I understood that right?

 

Next I ran a file compare program (Ultracompare) and compared all the files on the disk against the source files. No errors found.

Q4. Any suggestions for what to think or do next?

 

Here is the log of the whole session:

I 10:28:45 ImgBurn Version 2.5.8.0 started!
I 10:28:45 Microsoft Windows 8 Professional x64 Edition (6.2, Build 9200)
I 10:28:45 Total Physical Memory: 12,573,800 KiB  -  Available: 9,246,424 KiB
I 10:28:45 Initialising SPTI...
I 10:28:45 Searching for SCSI / ATAPI devices...
I 10:28:45 -> Drive 1 - Info: HL-DT-ST BD-RE  BE14NU40 1.00-G4 (Y:) (USB 2.0)
I 10:28:45 -> Drive 2 - Info: TSSTcorp CD/DVDW SH-S182M SB02 (X:) (RAID)
I 10:28:45 Found 1 DVD±RW/RAM and 1 BD-RE XL!
I 10:29:50 Operation Started!
I 10:29:50 Building Image Tree...
I 10:29:51 Calculating Totals...
I 10:29:51 Preparing Image...
I 10:29:51 Contents: 19 Files, 15 Folders
I 10:29:51 Content Type: BD Video
I 10:29:51 Data Type: MODE1/2048
I 10:29:51 File System(s): UDF (2.50)
I 10:29:51 Volume Label: [Not Configured]
I 10:29:51 Size: 22,697,714,144 bytes
I 10:29:51 Sectors: 11,082,880
I 10:29:51 Image Size: 22,698,786,816 bytes
I 10:29:51 Image Sectors: 11,083,392
I 10:29:51 Operation Successfully Completed! - Duration: 00:00:00
I 10:30:51 Operation Started!
I 10:30:51 Building Image Tree...
I 10:30:53 Calculating Totals...
I 10:30:53 Preparing Image...
I 10:30:53 Contents: 19 Files, 15 Folders
I 10:30:54 Content Type: BD Video
I 10:30:54 Data Type: MODE1/2048
I 10:30:54 File System(s): UDF (2.50)
I 10:30:54 Volume Label: Poldark 1 2
I 10:30:54 Size: 22,697,714,144 bytes
I 10:30:54 Sectors: 11,082,880
I 10:30:54 Image Size: 22,698,786,816 bytes
I 10:30:54 Image Sectors: 11,083,392
I 10:30:56 Operation Successfully Completed! - Duration: 00:00:05
I 10:30:58 Operation Started!
I 10:30:58 Source File: -==/\/[bUILD IMAGE]\/\==-
I 10:30:58 Source File Sectors: 11,083,392 (MODE1/2048)
I 10:30:58 Source File Size: 22,698,786,816 bytes
I 10:30:58 Source File Volume Identifier: Poldark 1 2
I 10:30:58 Source File Volume Set Identifier: 469553D900A91E00
I 10:30:58 Source File Application Identifier: ImgBurn v2.5.8.0
I 10:30:58 Source File Implementation Identifier: ImgBurn
I 10:30:58 Source File File System(s): UDF (2.50)
I 10:30:58 Destination Device: [0:0:0] HL-DT-ST BD-RE  BE14NU40 1.00 (Y:) (USB)
I 10:30:58 Destination Media Type: BD-R (Disc ID: CMCMAG-BA3-000)
I 10:30:58 Destination Media Supported Write Speeds: 4x, 6x, 8x, 10x
I 10:30:58 Destination Media Sectors: 12,219,392
I 10:30:58 Write Mode: BD
I 10:30:58 Write Type: DAO
I 10:30:58 Write Speed: 4x
I 10:30:58 Hardware Defect Management Active: No
I 10:30:58 BD-R Verify Not Required: Yes
I 10:30:58 Link Size: Auto
I 10:30:58 Lock Volume: Yes
I 10:30:58 Test Mode: No
I 10:30:58 OPC: No
I 10:30:58 BURN-Proof: Enabled
I 10:30:58 Write Speed Successfully Set! - Effective: 17,984 KB/s (4x)
I 10:31:09 Filling Buffer... (80 MiB)
I 10:31:10 Writing LeadIn...
I 10:31:11 Writing Session 1 of 1... (1 Track, LBA: 0 - 11083391)
I 10:31:11 Writing Track 1 of 1... (MODE1/2048, LBA: 0 - 11083391)
I 10:52:13 Synchronising Cache...
I 10:52:16 Closing Track...
I 10:52:17 Finalising Disc...
I 10:52:29 Exporting Graph Data...
I 10:52:29 Graph Data File: C:\Users\Richard\AppData\Roaming\ImgBurn\Graph Data Files\HL-DT-ST_BD-RE_BE14NU40_1.00_21-APRIL-2015_10-30_CMCMAG-BA3-000_4x.ibg
I 10:52:29 Export Successfully Completed!
I 10:52:29 Operation Successfully Completed! - Duration: 00:21:30
I 10:52:29 Average Write Rate: 17,564 KiB/s (4.0x) - Maximum Write Rate: 17,687 KiB/s (4.0x)
I 10:52:29 Cycling Tray before Verify...
W 10:52:37 Waiting for device to become ready...
I 10:52:49 Device Ready!
I 10:52:52 Operation Started!
I 10:52:52 Source Device: [0:0:0] HL-DT-ST BD-RE  BE14NU40 1.00 (Y:) (USB)
I 10:52:52 Source Media Type: BD-R (Disc ID: CMCMAG-BA3-000)
I 10:52:52 Source Media Supported Read Speeds: 2x, 4.2x, 6.2x, 8x, 9.9x, 12.1x
I 10:52:52 Source Media Supported Write Speeds: 4x, 6x, 8x, 10x
I 10:52:52 Source Media Sectors: 11,083,392
I 10:52:52 Source Media Size: 22,698,786,816 bytes
I 10:52:52 Image File: -==/\/[bUILD IMAGE]\/\==-
I 10:52:52 Image File Sectors: 11,083,392 (MODE1/2048)
I 10:52:52 Image File Size: 22,698,786,816 bytes
I 10:52:52 Image File Volume Identifier: Poldark 1 2
I 10:52:52 Image File Volume Set Identifier: 469553D900A91E00
I 10:52:52 Image File Application Identifier: ImgBurn v2.5.8.0
I 10:52:52 Image File Implementation Identifier: ImgBurn
I 10:52:52 Image File File System(s): UDF (2.50)
I 10:52:52 Read Speed (Data/Audio): MAX / MAX
I 10:52:53 Read Speed - Effective: 5x - 12.1x
I 10:52:54 Verifying Session 1 of 1... (1 Track, LBA: 0 - 11083391)
I 10:52:54 Verifying Track 1 of 1... (MODE1/2048, LBA: 0 - 11083391)
W 11:14:00 Miscompare at LBA: 695442, Offset: 0, File: \BDMV\STREAM\00000.m2ts
W 11:14:00 Device: 0x46
W 11:14:00 Image File: 0x02
W 11:14:00 Total Errors in Sector: 1,014
I 11:14:00 Verifying Sectors...
E 12:41:04 Miscompare at LBA: 9995629, Offset: 0, File: \BDMV\STREAM\00001.m2ts
E 12:41:04 Device: 0x8A
E 12:41:04 Image File: 0x33
E 12:41:04 Total Errors in Sector: 1,018
E 12:41:04 Failed to Verify Sectors!
I 12:41:06 Exporting Graph Data...
I 12:41:06 Graph Data File: C:\Users\Richard\AppData\Roaming\ImgBurn\Graph Data Files\HL-DT-ST_BD-RE_BE14NU40_1.00_21-APRIL-2015_10-30_CMCMAG-BA3-000_4x.ibg
I 12:41:06 Export Successfully Completed!
E 12:41:06 Operation Failed! - Duration: 01:48:12
I 12:41:06 Average Verify Rate: 3,081 KiB/s (0.7x) - Maximum Verify Rate: 49,100 KiB/s (11.2x)
I 12:42:19 Operation Started!
I 12:42:19 Building Image Tree...
I 12:42:21 Calculating Totals...
I 12:42:21 Preparing Image...
I 12:42:21 Contents: 19 Files, 15 Folders
I 12:42:21 Content Type: BD Video
I 12:42:21 Data Type: MODE1/2048
I 12:42:21 File System(s): UDF (2.50)
I 12:42:21 Volume Label: Poldark 1 2
I 12:42:21 Size: 22,697,714,144 bytes
I 12:42:21 Sectors: 11,082,880
I 12:42:21 Image Size: 22,698,786,816 bytes
I 12:42:21 Image Sectors: 11,083,392
I 12:42:23 Operation Successfully Completed! - Duration: 00:00:03
I 12:42:23 Operation Started!
I 12:42:23 Source File: -==/\/[bUILD IMAGE]\/\==-
I 12:42:23 Source File Sectors: 11,083,392 (MODE1/2048)
I 12:42:23 Source File Size: 22,698,786,816 bytes
I 12:42:23 Source File Volume Identifier: Poldark 1 2
I 12:42:23 Source File Volume Set Identifier: 4695654900A91E00
I 12:42:23 Source File Application Identifier: ImgBurn v2.5.8.0
I 12:42:23 Source File Implementation Identifier: ImgBurn
I 12:42:23 Source File File System(s): UDF (2.50)
I 12:42:23 Destination Device: [0:0:0] HL-DT-ST BD-RE  BE14NU40 1.00 (Y:) (USB)
I 12:42:23 Destination Media Type: BD-R (Disc ID: CMCMAG-BA3-000)
I 12:42:23 Destination Media Supported Write Speeds: 4x, 6x, 8x, 10x
I 12:42:23 Destination Media Sectors: 12,219,392
I 12:42:23 Write Mode: BD
I 12:42:23 Write Type: DAO
I 12:42:23 Write Speed: 4x
I 12:42:23 Hardware Defect Management Active: No
I 12:42:23 BD-R Verify Not Required: Yes
I 12:42:23 Link Size: Auto
I 12:42:23 Lock Volume: Yes
I 12:42:23 Test Mode: No
I 12:42:23 OPC: No
I 12:42:23 BURN-Proof: Enabled
I 12:42:23 Write Speed Successfully Set! - Effective: 17,984 KB/s (4x)
I 12:42:34 Filling Buffer... (80 MiB)
I 12:42:35 Writing LeadIn...
I 12:42:36 Writing Session 1 of 1... (1 Track, LBA: 0 - 11083391)
I 12:42:36 Writing Track 1 of 1... (MODE1/2048, LBA: 0 - 11083391)
I 13:03:38 Synchronising Cache...
I 13:03:41 Closing Track...
I 13:03:42 Finalising Disc...
I 13:03:53 Exporting Graph Data...
I 13:03:53 Graph Data File: C:\Users\Richard\AppData\Roaming\ImgBurn\Graph Data Files\HL-DT-ST_BD-RE_BE14NU40_1.00_21-APRIL-2015_12-42_CMCMAG-BA3-000_4x.ibg
I 13:03:53 Export Successfully Completed!
I 13:03:53 Operation Successfully Completed! - Duration: 00:21:29
I 13:03:53 Average Write Rate: 17,564 KiB/s (4.0x) - Maximum Write Rate: 17,681 KiB/s (4.0x)
I 13:03:53 Cycling Tray before Verify...
W 13:04:02 Waiting for device to become ready...
I 13:04:13 Device Ready!
I 13:04:17 Operation Started!
I 13:04:17 Source Device: [0:0:0] HL-DT-ST BD-RE  BE14NU40 1.00 (Y:) (USB)
I 13:04:17 Source Media Type: BD-R (Disc ID: CMCMAG-BA3-000)
I 13:04:17 Source Media Supported Read Speeds: 2x, 4.2x, 6.2x, 8x, 9.9x, 12.1x
I 13:04:17 Source Media Supported Write Speeds: 4x, 6x, 8x, 10x
I 13:04:17 Source Media Sectors: 11,083,392
I 13:04:17 Source Media Size: 22,698,786,816 bytes
I 13:04:17 Image File: -==/\/[bUILD IMAGE]\/\==-
I 13:04:17 Image File Sectors: 11,083,392 (MODE1/2048)
I 13:04:17 Image File Size: 22,698,786,816 bytes
I 13:04:17 Image File Volume Identifier: Poldark 1 2
I 13:04:17 Image File Volume Set Identifier: 4695654900A91E00
I 13:04:17 Image File Application Identifier: ImgBurn v2.5.8.0
I 13:04:17 Image File Implementation Identifier: ImgBurn
I 13:04:17 Image File File System(s): UDF (2.50)
I 13:04:17 Read Speed (Data/Audio): MAX / MAX
I 13:04:18 Read Speed - Effective: 5x - 12.1x
I 13:04:18 Verifying Session 1 of 1... (1 Track, LBA: 0 - 11083391)
I 13:04:18 Verifying Track 1 of 1... (MODE1/2048, LBA: 0 - 11083391)
W 16:37:59 Miscompare at LBA: 5583353, Offset: 1024, File: \BDMV\STREAM\00001.m2ts
W 16:37:59 Device: 0xAA
W 16:37:59 Image File: 0x1E
W 16:37:59 Total Errors in Sector: 1,023
I 16:37:59 Verifying Sectors...
W 16:41:07 Miscompare at LBA: 8901285, Offset: 1024, File: \BDMV\STREAM\00001.m2ts
W 16:41:07 Device: 0x33
W 16:41:07 Image File: 0xE2
W 16:41:07 Total Errors in Sector: 1,019
I 16:41:07 Verifying Sectors...
W 16:42:16 Miscompare at LBA: 10500267, Offset: 0, File: \BDMV\STREAM\00001.m2ts
W 16:42:16 Device: 0x30
W 16:42:16 Image File: 0xC9
W 16:42:16 Total Errors in Sector: 1,018
I 16:42:16 Verifying Sectors...
I 16:42:40 Exporting Graph Data...
I 16:42:40 Graph Data File: C:\Users\Richard\AppData\Roaming\ImgBurn\Graph Data Files\HL-DT-ST_BD-RE_BE14NU40_1.00_21-APRIL-2015_12-42_CMCMAG-BA3-000_4x.ibg
I 16:42:40 Export Successfully Completed!
I 16:42:40 Operation Successfully Completed! - Duration: 03:38:21
I 16:42:40 Average Verify Rate: 1,692 KiB/s (0.4x) - Maximum Verify Rate: 51,189 KiB/s (11.7x)
I 16:43:31 Operation Started!
I 16:43:31 Source Device: [0:0:0] HL-DT-ST BD-RE  BE14NU40 1.00 (Y:) (USB)
I 16:43:31 Source Media Type: BD-R (Disc ID: CMCMAG-BA3-000)
I 16:43:31 Source Media Supported Read Speeds: 2x, 4.2x, 6.2x, 8x, 9.9x, 12.1x
I 16:43:31 Source Media Supported Write Speeds: 4x, 6x, 8x, 10x
I 16:43:31 Source Media Sectors: 11,083,392
I 16:43:31 Source Media Size: 22,698,786,816 bytes
I 16:43:31 Verify Against Image File: No
I 16:43:31 Read Speed (Data/Audio): 4x / 4x
I 16:43:32 Read Speed - Effective: 1.7x - 4.2x
I 16:43:32 Verifying Session 1 of 1... (1 Track, LBA: 0 - 11083391)
I 16:43:32 Verifying Track 1 of 1... (MODE1/2048, LBA: 0 - 11083391)
I 17:12:29 Exporting Graph Data...
I 17:12:29 Graph Data File: C:\Users\Richard\AppData\Roaming\ImgBurn\Graph Data Files\HL-DT-ST_BD-RE_BE14NU40_1.00_21-APRIL-2015_16-43_CMCMAG-BA3-000.ibg
I 17:12:29 Export Successfully Completed!
I 17:12:29 Operation Successfully Completed! - Duration: 00:28:57
I 17:12:29 Average Verify Rate: 12,776 KiB/s (2.9x) - Maximum Verify Rate: 17,871 KiB/s (4.1x)
 

Edited by Growltiger
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I tried another Verify in ImgBurn, setting the read speed to 16x and it read the disk with no errors.

 

It is not clear to me why I would get errors reported from ImgBurn immediately after burning, while it now appears that the disk is both readable, and also the files are all correct. The implication is that data was being corrupted in transit while it was read during the initial verify.

 

Perhaps try again with the original cable that came with the drive. I'm currently using a good quality but slightly longer one, which has always worked perfectly, both with this drive and with external had drives.

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Have you tried with other media? A rewritable maybe?

 

Problems like this are the hardest to do anything with. Keep using images and reverify anything that fails the initial one to see if the errors are in the same place. Make sure you reenable the option to compare against an image file or it won't be comparing the actual data on the disc.

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I have not been using images. Are you saying I should use ImgBurn to make an image file, and then burn that, so I can keep repeating the verify stage? I will do that.

 

(I ran a file compare on my last test, using UltraEdit, and this time it did find errors. At least that shows some consistency.)

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Yes, just for now, make ISO files of what you want to burn and then burn those. That way, you can use Verify mode to compare the disc to the image at a later date and not simply be checking the disc is readable.

 

No, that isn't significant (it's purely cosmetic)... but mine had always showed up as USB 3.0 when it was connected that way in testing. I wonder why yours just says 2.0 ? :/

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Thanks for the advice.

I built the image file. I put back the normal cable I use. I powered off and on the computer.

Then I burned yet another disk. No errors. Verified it against the image again. Still no errors.

So it is all working now.

What I have learned is that it is best to take the extra time to make an image file, as you suggested.

 

The problem could have been:

- three bad disks in a row

- usb port/driver malfunction

- cable/connection problem

- other computer issue that interfered somehow

- the unknown something else

 

I have had bad experiences in the past with USB, especially USB3, when copying files (photos) from card readers. There are numerous possible problems when doing that. Using a USB3 extension cable is an almost certain way to sometimes corrupt data when using an external drive for example. Some USB3 cables are low quality and are not reliable. I use a program called h2testw to test every new SD card/card reader/cable/port/computer combination, to make sure there are no weak links (including fake cards).

 

Where does it get the information that says which USB version to display in the log?

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