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kenmasters1976

Weird verification issue

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I have an old burner (LG GSA-4120B) and ImgBurn 2.5.2.0. A few days ago, I bought a DVD-R labeled MATRIX 8x with Disc ID TYG02 and tried to burn some files. During the verification, I got an error so I just trashed the disc.

 

Today, my brother brought me a disc and it turned out to be the same MATRIX 8x TYG02 as they're kinda popular here; he bought it in a different place, though. So I decided to burn the exact same set of files as before and once again I got a verification error, which I thought was a bit weird as I've read good things about discs with an TY ID.

 

Anyway, here comes the weird thing. I was about to trash this disc when I remembered that the other disc had the verification error on exactly the same ZIP file. I inserted the disc again, browsed to that file and then used 7-Zip's Test archive option and it returned no errors meaning the file was readable. I launched again ImgBurn and used the Verify disc option (without an image, though) and it verified that all sectors were readable.

 

So, what's going on here? is it maybe due to an aging burner? faulty HDD? disc errors?. And what about the data on the disc? was it burned correctly or not?.

 

Any comments appreciated. Thanks.

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I didn't manually save the log 'cause I thought it was just defective discs but I found it in the global ImgBurn log. Anyway, it did also allow me to see that it may just be pure coincidence as the log for the previous disc had the error on a different sector (in the same file but it's a 100 MB file so it's not that strange). I'm guessing it is indeed something with the discs but the fact remains that 7-Zip's verification returned no error. Here's the log:

 

;
;
; //****************************************\\
;   ImgBurn Version 2.5.2.0 - Log
;   Viernes, 19 Noviembre 2010, 12:31:40
; \\****************************************//
;
;
I 11:40:00 ImgBurn Version 2.5.2.0 started!
I 11:40:00 Microsoft Windows XP Professional (5.1, Build 2600 : Service Pack 2)
I 11:40:00 Total Physical Memory: 777,200 KB  -  Available: 356,288 KB
I 11:40:00 Initialising SPTI...
I 11:40:00 Searching for SCSI / ATAPI devices...
I 11:40:00 -> Drive 1 - Info: HL-DT-ST DVDRAM GSA-4120B A115 (D:) (ATA)
I 11:40:00 Found 1 DVD±RW/RAM!
I 12:03:36 Operation Started!
I 12:03:36 Building Image Tree...
I 12:03:36 Checking Directory Depth...
I 12:03:36 Calculating Totals...
I 12:03:36 Preparing Image...
I 12:03:37 Checking Path Length...
I 12:03:37 Contents: 591 Files, 12 Folders
I 12:03:37 Content Type: Data
I 12:03:37 Data Type: MODE1/2048
I 12:03:37 File System(s): ISO9660, UDF (1.02)
I 12:03:37 Volume Label: [Not Configured]
I 12:03:37 Size: 4,561,542,786 bytes
I 12:03:37 Sectors: 2,227,690
I 12:03:37 Image Size: 4,564,221,952 bytes
I 12:03:37 Image Sectors: 2,228,624
I 12:03:37 Operation Successfully Completed! - Duration: 00:00:01
I 12:04:05 Operation Started!
I 12:04:05 Building Image Tree...
I 12:05:05 Checking Directory Depth...
I 12:05:05 Calculating Totals...
I 12:05:05 Preparing Image...
I 12:05:06 Checking Path Length...
I 12:05:06 Contents: 591 Files, 12 Folders
I 12:05:06 Content Type: Data
I 12:05:06 Data Type: MODE1/2048
I 12:05:06 File System(s): ISO9660, UDF (1.02)
I 12:05:06 Volume Label: PLEASUREDOME_20101119
I 12:05:06 Size: 4,561,542,786 bytes
I 12:05:06 Sectors: 2,227,690
I 12:05:06 Image Size: 4,564,221,952 bytes
I 12:05:06 Image Sectors: 2,228,624
I 12:05:10 Operation Successfully Completed! - Duration: 00:01:04
I 12:05:10 Operation Started!
I 12:05:10 Source File: -==/\/[bUILD IMAGE]\/\==-
I 12:05:10 Source File Sectors: 2,228,624 (MODE1/2048)
I 12:05:10 Source File Size: 4,564,221,952 bytes
I 12:05:10 Source File Volume Identifier: PLEASUREDOME_20101119
I 12:05:10 Source File Application Identifier: IMGBURN V2.5.2.0 - THE ULTIMATE IMAGE BURNER!
I 12:05:10 Source File Implementation Identifier: ImgBurn
I 12:05:10 Source File File System(s): ISO9660, UDF (1.02)
I 12:05:10 Destination Device: [1:0:0] HL-DT-ST DVDRAM GSA-4120B A115 (D:) (ATA)
I 12:05:10 Destination Media Type: DVD-R (Disc ID: TYG02) (Speeds: 4x, 8x)
I 12:05:10 Destination Media Sectors: 2,297,888
I 12:05:10 Write Mode: DVD
I 12:05:10 Write Type: DAO
I 12:05:10 Write Speed: 4x
I 12:05:10 Link Size: Auto
I 12:05:10 Lock Volume: Yes
I 12:05:10 Test Mode: No
I 12:05:10 OPC: No
I 12:05:10 BURN-Proof: Enabled
I 12:05:10 Write Speed Successfully Set! - Effective: 5,540 KB/s (4x)
I 12:05:10 Filling Buffer... (20 MB)
I 12:05:13 Writing LeadIn...
I 12:05:42 Writing Session 1 of 1... (1 Track, LBA: 0 - 2228623)
I 12:05:42 Writing Track 1 of 1... (MODE1/2048, LBA: 0 - 2228623)
I 12:19:27 Synchronising Cache...
I 12:19:45 Operation Successfully Completed! - Duration: 00:14:35
I 12:19:45 Average Write Rate: 5,409 KB/s (3.9x) - Maximum Write Rate: 5,750 KB/s (4.2x)
I 12:19:45 Cycling Tray before Verify...
W 12:19:52 Waiting for device to become ready...
I 12:20:07 Device Ready!
I 12:20:11 Operation Started!
I 12:20:11 Source Device: [1:0:0] HL-DT-ST DVDRAM GSA-4120B A115 (D:) (ATA)
I 12:20:11 Source Media Type: DVD-R (Book Type: DVD-R) (Disc ID: TYG02) (Speeds: 4x, 8x)
I 12:20:11 Image File: -==/\/[bUILD IMAGE]\/\==-
I 12:20:11 Image File Sectors: 2,228,624 (MODE1/2048)
I 12:20:11 Image File Size: 4,564,221,952 bytes
I 12:20:11 Image File Volume Identifier: PLEASUREDOME_20101119
I 12:20:11 Image File Application Identifier: IMGBURN V2.5.2.0 - THE ULTIMATE IMAGE BURNER!
I 12:20:11 Image File Implementation Identifier: ImgBurn
I 12:20:11 Image File File System(s): ISO9660, UDF (1.02)
I 12:20:11 Read Speed (Data/Audio): MAX / MAX
I 12:20:11 Verifying Session 1 of 1... (1 Track, LBA: 0 - 2228623)
I 12:20:11 Verifying Track 1 of 1... (MODE1/2048, LBA: 0 - 2228623)
W 12:30:10 Failed to Read Sector 1707456 - Reason: Unrecovered Read Error
W 12:30:10 Sector 1707456 maps to File: \MAME 0.130 to 0.131 Update Pack\shangril.zip
E 12:31:32 Failed to Read Sector 1707456 - Reason: Unrecovered Read Error
E 12:31:32 Sector 1707456 maps to File: \MAME 0.130 to 0.131 Update Pack\shangril.zip
E 12:31:32 Failed to Verify Sectors!
E 12:31:32 Operation Failed! - Duration: 00:11:20
I 12:31:32 Average Verify Rate: 5,021 KB/s (3.6x) - Maximum Verify Rate: 11,311 KB/s (8.2x)
I 12:31:39 Close Request Acknowledged
I 12:31:39 Closing Down...
I 12:31:40 Shutting down SPTI...
I 12:31:40 ImgBurn closed!

Edited by kenmasters1976

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Maybe the cooling down period was enough to make it so the drive could read the disc (and that's why the standalone verify passed ok).

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