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XeRo

Verify failed after burning (L-EC Uncorrectable Error)

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Hello,

 

I've burned and verified successfully with a different iso using the DVD-R disc, but for some reason this iso failed to verify using the same disc type and drive. If can anyone could help by explaining what went wrong that would be greatly appreciated. Here is the log file:

 

 

I 14:27:25 ImgBurn Version 2.5.8.0 started!
I 14:27:25 Microsoft Windows 8 Professional x64 Edition (6.2, Build 9200)
I 14:27:25 Total Physical Memory: 4,143,464 KiB  -  Available: 1,701,704 KiB
I 14:27:25 Initialising SPTI...
I 14:27:25 Searching for SCSI / ATAPI devices...
I 14:27:26 -> Drive 1 - Info: hp DVD A  DS8A8SH KH61 (D:) (SATA)
I 14:27:26 Found 1 DVD±RW/RAM!
I 14:28:42 Operation Started!
I 14:28:42 Source File: C:\Users\Owner\Documents\ISOs\Wiimms MKW-Fun 2018-03.v1.usa [RMCE36].iso
I 14:28:42 Source File Sectors: 2,294,912 (MODE1/2048)
I 14:28:42 Source File Size: 4,699,979,776 bytes
I 14:28:42 Source File Volume Identifier: Wiimms MKW-Fun 2018-03.v1.usa
I 14:28:43 Source File File System(s): Special
I 14:28:43 Destination Device: [0:0:0] hp DVD A  DS8A8SH KH61 (D:) (SATA)
I 14:28:43 Destination Media Type: DVD-R (Disc ID: CMC MAG. AM3)
I 14:28:43 Destination Media Supported Write Speeds: 3x, 4x, 6x, 8x
I 14:28:43 Destination Media Sectors: 2,297,888
I 14:28:43 Write Mode: DVD
I 14:28:43 Write Type: DAO
I 14:28:43 Write Speed: 2x
I 14:28:43 Link Size: Auto
I 14:28:43 Lock Volume: Yes
I 14:28:43 Test Mode: No
I 14:28:43 OPC: No
I 14:28:43 BURN-Proof: Enabled
W 14:28:43 Write Speed Miscompare! - Wanted: 2,770 KB/s (2x), Got: 4,155 KB/s (3x)
W 14:28:43 The drive only supports writing these discs at 3x, 4x, 6x, 8x.
I 14:28:43 Advanced Settings - Force HT: No, Online HT: No, OverSpeed: No, SmartBurn: Yes
I 14:28:43 CD/DVD Life Record Count: 1 - CD/DVD Record Count: 1
I 14:28:44 Filling Buffer... (80 MiB)
I 14:28:45 Writing LeadIn...
I 14:29:31 Writing Session 1 of 1... (1 Track, LBA: 0 - 2294911)
I 14:29:31 Writing Track 1 of 1... (MODE1/2048, LBA: 0 - 2294911)
I 14:49:25 Synchronising Cache...
I 14:49:53 Exporting Graph Data...
I 14:49:53 Graph Data File: C:\Users\Owner\AppData\Roaming\ImgBurn\Graph Data Files\hp_DVD_A_DS8A8SH_KH61_SATURDAY-JUNE-09-2018_2-28_PM_CMC_MAG._AM3_2x.ibg
I 14:49:53 Export Successfully Completed!
I 14:49:53 Operation Successfully Completed! - Duration: 00:21:10
I 14:49:53 Average Write Rate: 3,847 KiB/s (2.8x) - Maximum Write Rate: 4,096 KiB/s (3.0x)
I 14:49:53 Cycling Tray before Verify...
W 14:50:33 Waiting for device to become ready...
I 14:50:39 Device Ready!
I 14:50:40 Operation Started!
I 14:50:40 Source Device: [0:0:0] hp DVD A  DS8A8SH KH61 (D:) (SATA)
I 14:50:40 Source Media Type: DVD-R (Book Type: DVD-R) (Disc ID: CMC MAG. AM3)
I 14:50:40 Source Media Supported Read Speeds: 3x, 4x, 6x, 8x
I 14:50:40 Source Media Supported Write Speeds: 3x, 4x, 6x, 8x
I 14:50:40 Source Media Sectors: 2,294,912 (Track Path: PTP)
I 14:50:40 Source Media Size: 4,699,979,776 bytes
I 14:50:40 Image File: C:\Users\Owner\Documents\ISOs\Wiimms MKW-Fun 2018-03.v1.usa [RMCE36].iso
I 14:50:40 Image File Sectors: 2,294,912 (MODE1/2048)
I 14:50:40 Image File Size: 4,699,979,776 bytes
I 14:50:40 Image File Volume Identifier: Wiimms MKW-Fun 2018-03.v1.usa
I 14:50:40 Image File File System(s): Special
I 14:50:40 Read Speed (Data/Audio): MAX / MAX
I 14:50:41 Read Speed - Effective: 3.3x - 8x
I 14:50:41 Verifying Session 1 of 1... (1 Track, LBA: 0 - 2294911)
I 14:50:41 Verifying Track 1 of 1... (MODE1/2048, LBA: 0 - 2294911)
W 14:57:34 Failed to Read Sectors 1389632 - 1389663 - Reason: L-EC Uncorrectable Error
W 14:57:46 Failed to Read Sector 1389648 - Reason: L-EC Uncorrectable Error
W 15:00:34 Failed to Read Sector 1389649 - Reason: L-EC Uncorrectable Error
W 15:00:38 Retrying (1)...
W 15:00:46 Retry Failed - Reason: L-EC Uncorrectable Error
E 15:00:51 Failed to Read Sector 1389649 - Reason: L-EC Uncorrectable Error
E 15:00:51 Failed to Verify Sectors!
I 15:00:52 Exporting Graph Data...
I 15:00:52 Graph Data File: C:\Users\Owner\AppData\Roaming\ImgBurn\Graph Data Files\hp_DVD_A_DS8A8SH_KH61_SATURDAY-JUNE-09-2018_2-28_PM_CMC_MAG._AM3_2x.ibg
I 15:00:52 Export Successfully Completed!
E 15:00:52 Operation Failed! - Duration: 00:10:11
I 15:00:52 Average Verify Rate: 4,563 KiB/s (3.4x) - Maximum Verify Rate: 9,172 KiB/s (6.8x)
Edited by XeRo

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You should generally avoid CMC as a rule.  However, if you've used them fine for a long enough period of time that they haven't given you reason to question them, the drive may have reached the end of its life.  Failures to Verify generally mean the burn wasn't done correctly.  And that generally, but not always, means it's the fault of the drive or the media.  Without using quality media, I can't say what the situation is in this case.  What you could try to see if it's just a problem with the ISO is try to find a CMC disc that did burn and verify, read it to an image, and then try burning that new read to another CMC disc.  If it fails again, then you know it's most likely not the ISO that's the problem in either case.  It's the CMC discs or your drive has reached the end of its life.

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Thanks for replying, I had did what you suggested and the burn and verify worked successfully as expected. So that rules out the discs and my drive being dead. Which lead me to look at the filesize of the iso i was trying to burn. The Memorex DVD-R disc holds 4.7 GB and the iso that failed to verify is 4.37 GB according to my laptop. So I figured, the filesize is not the issue but I googled "dvd-r 4.7gb capacity" anyways and found a link that informed me that manufacturers use decimal "base 10" while operating systems use binary "base 2" so dvd-r disc really holds 4.3 GB. I could be wrong but I think this maybe why the disc failed, the iso might be too big. The iso that did succeed was much smaller; only 1.35 GB. Like I said before, it worked again when I created an image and burned it onto a new disc.

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It's nothing to do with the size of the image... beyond a larger image obviously taking up more space on the disc and therefore a larger area over which an error could occur.

 

You've got an unreliable drive/media combo.

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Plus, a larger image file size that approaches the maximum space of the media means you're writing more data closer to the edge of the disc.  Another common place for errors to occur is when you're writing near the edge.  The smaller ISO could explain why it worked.

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