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Cannot read medium - incompatible format


holygamer
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I've tried burning 2 different Bluray ISO images using the Verify option. Both times Verify stops at 97-99% with this error message: "cannot read medium incompatible format". The discs are BD-R Pidata AAA-CMC (HTL with Dark Inorganic Dye) 25GB 4x. I'm only burning at 4x. I've burned to many of those discs before to the same drive without issues and from the same image on a hard drive so why do I get that error message saying incompatible format? Log is below. I click on Try Again but I soon get that error again. I cancel the Verify window then close and re-open the program then do another Verify and it gives the error again. But if I close and re-open the program and try burning onto a new blank disc then verification works! Why?

Does it matter what read speed the Verification is done at with regards to the speed causing failed verifications as I just leave it on max read speed?

I 07:30:15 Operation Started!
I 07:30:15 Source File: K:\ECW Hardcore TV 1993-2000 ISOs\ECW Hardcore TV 1994 Bluray ISOs\Eastern CW 1994 Disc 2 - July 5 to December 27.iso
I 07:30:15 Source File Sectors: 12,201,056 (MODE1/2048)
I 07:30:15 Source File Size: 24,987,762,688 bytes
I 07:30:15 Source File Volume Identifier: Eastern CW 1994 Disc 2 - July 5 to December 27
I 07:30:15 Source File Volume Set Identifier: 4329984F00BA28E6
I 07:30:15 Source File Application Identifier: ImgBurn v2.5.8.0
I 07:30:15 Source File Implementation Identifier: ImgBurn
I 07:30:15 Source File File System(s): UDF (2.50)
I 07:30:15 Destination Device: [4:0:0] HL-DT-ST BD-RE  BH10LS38 1.03 (B:) (SATA)
I 07:30:15 Destination Media Type: BD-R (Disc ID: CMCMAG-BA3-000)
I 07:30:15 Destination Media Supported Write Speeds: 2x, 4x
I 07:30:15 Destination Media Sectors: 12,219,392
I 07:30:15 Write Mode: BD
I 07:30:15 Write Type: DAO
I 07:30:15 Write Speed: 4x
I 07:30:15 Hardware Defect Management Active: No
I 07:30:15 BD-R Verify Not Required: Yes
I 07:30:15 Link Size: Auto
I 07:30:15 Lock Volume: Yes
I 07:30:15 Test Mode: No
I 07:30:15 OPC: No
I 07:30:15 BURN-Proof: Enabled
I 07:30:15 Write Speed Successfully Set! - Effective: 17,982 KB/s (4x)
I 07:30:29 Filling Buffer... (80 MiB)
I 07:30:30 Writing LeadIn...
I 07:30:31 Writing Session 1 of 1... (1 Track, LBA: 0 - 12201055)
I 07:30:31 Writing Track 1 of 1... (MODE1/2048, LBA: 0 - 12201055)
I 07:53:50 Synchronising Cache...
I 07:53:54 Closing Track...
I 07:53:55 Finalising Disc...
I 07:54:31 Exporting Graph Data...
I 07:54:31 Graph Data File: C:\Users\Dave\AppData\Roaming\ImgBurn\Graph Data Files\HL-DT-ST_BD-RE_BH10LS38_1.03_13-JANUARY-2022_07-30_CMCMAG-BA3-000_4x.ibg
I 07:54:31 Export Successfully Completed!
I 07:54:31 Operation Successfully Completed! - Duration: 00:24:16
I 07:54:31 Average Write Rate: 17,455 KiB/s (4.0x) - Maximum Write Rate: 17,667 KiB/s (4.0x)
I 07:54:31 Cycling Tray before Verify...
W 07:54:41 Waiting for device to become ready...
I 07:54:54 Device Ready!
I 07:54:55 Operation Started!
I 07:54:55 Source Device: [4:0:0] HL-DT-ST BD-RE  BH10LS38 1.03 (B:) (SATA)
I 07:54:55 Source Media Type: BD-R (Disc ID: CMCMAG-BA3-000)
I 07:54:55 Source Media Supported Read Speeds: 4x, 4.8x
I 07:54:55 Source Media Supported Write Speeds: 2x, 4x
I 07:54:55 Source Media Sectors: 12,201,056
I 07:54:55 Source Media Size: 24,987,762,688 bytes
I 07:54:55 Image File: K:\ECW Hardcore TV 1993-2000 ISOs\ECW Hardcore TV 1994 Bluray ISOs\Eastern CW 1994 Disc 2 - July 5 to December 27.iso
I 07:54:55 Image File Sectors: 12,201,056 (MODE1/2048)
I 07:54:55 Image File Size: 24,987,762,688 bytes
I 07:54:55 Image File Volume Identifier: Eastern CW 1994 Disc 2 - July 5 to December 27
I 07:54:55 Image File Volume Set Identifier: 4329984F00BA28E6
I 07:54:55 Image File Application Identifier: ImgBurn v2.5.8.0
I 07:54:55 Image File Implementation Identifier: ImgBurn
I 07:54:55 Image File File System(s): UDF (2.50)
I 07:54:55 Read Speed (Data/Audio): MAX / MAX
I 07:54:56 Read Speed - Effective: 2x - 4.8x
I 07:54:56 Verifying Session 1 of 1... (1 Track, LBA: 0 - 12201055)
I 07:54:56 Verifying Track 1 of 1... (MODE1/2048, LBA: 0 - 12201055)
W 08:21:33 Failed to Read Sectors 12114784 - 12114815 - Reason: Cannot Read Medium - Incompatible Format
W 08:21:37 Failed to Read Sector 12114784 - Reason: Cannot Read Medium - Incompatible Format
W 08:21:37 Sector 12114784 maps to File: \BDMV\STREAM\00024.m2ts
W 08:26:06 Retrying (1)...
W 08:26:08 Retry Failed - Reason: Cannot Read Medium - Incompatible Format
W 08:35:39 Retrying (2)...
W 08:35:41 Retry Failed - Reason: Cannot Read Medium - Incompatible Format
W 08:35:45 Retrying (3)...
W 08:35:47 Retry Failed - Reason: Cannot Read Medium - Incompatible Format

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Depends on your definition of a few.  I always try 3 times in a row before I declare a hardware failure.  If you burned 3 to 5 discs that failed in a row, then it's most likely the hardware, particularly if you had no problems with these BD-R before.  However, there is something to note:

I 07:30:15 Destination Media Type: BD-R (Disc ID: CMCMAG-BA3-000)

 

CMC Magnetics makes the worst optical discs out there.  So, it's not uncommon to have a package of discs where a lot of them burn fine in a row and then you get some errors in a row.

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