ImgBurnで
I 18:56:14 Destination Media Type: BD-RE (Disc ID: RITEK-BW1-01) (Speeds: 2x)I 18:56:14 Destination Media Sectors: 11,826,176
I 18:56:14 Write Mode: BDI 18:56:14 Write Type: DAO
I 18:56:14 Write Speed: MAX
I 18:56:14 BD-RE FastWrite: No
I 18:56:14 Link Size: Auto
I 18:56:14 Lock Volume: Yes
I 18:56:14 Test Mode: No
I 18:56:14 OPC: No
I 18:56:14 BURN-Proof: Enabled
I 18:56:15 Filling Buffer... (40 MB)
I 18:56:17 Writing LeadIn...
I 18:56:26 Writing Session 1 of 1... (1 Track, LBA: 0 - 8303615)
I 18:56:26 Writing Track 1 of 1... (MODE1/2048, LBA: 0 - 8303615)
W 20:00:56 Failed to Write Sectors 5708416 - 5708447 - Reason: Write Error ・Auto-Reallocation Failed
W 20:00:56 Retrying (1 of 20)...
I 20:00:56 Writing Sectors...
W 20:01:53 Failed to Write Sectors 5719424 - 5719455 - Reason: Write Error ・Auto-Reallocation Failed
W 20:01:53 Retrying (1 of 20)...

これで必ずえらーに成るんですけど、メディアのせいでしょうか？（Sony制）
・それとも相性？
・書き込みスピード？
・データが壊れている？
どなたか教えていただけませんでしょうか？