gistfile1.txt

$ doas  cdrecord -v -dao dev=/dev/cd0c Win10_1809Oct_English_x64.iso
Cdrecord-ProDVD-ProBD-Clone 3.00 (amd64-unknown-openbsd6.4) Copyright (C) 1995-2010 J�rg Schilling
TOC Type: 1 = CD-ROM
scsidev: '/dev/cd0c'
devname: '/dev/cd0c'
scsibus: -2 target: -2 lun: -2
Using libscg version 'schily-0.9'.
SCSI buffer size: 61440
atapi: 0
Device type    : Removable CD-ROM
Version        : 0
Response Format: 2
Capabilities   : 
Vendor_info    : 'TSSTcorp'
Identifikation : 'CDDVDW TS-H653F '
Revision       : 'LE07'
Device seems to be: Generic mmc2 DVD-R/DVD-RW/DVD-RAM.
Current: DVD+R
Profile: DVD-R/DL sequential recording 
Profile: DVD-R/DL layer jump recording 
Profile: DVD+R/DL 
Profile: DVD+R (current)
Profile: DVD+RW 
Profile: DVD-RW sequential recording 
Profile: DVD-RW restricted overwrite 
Profile: DVD-RAM 
Profile: DVD-R sequential recording 
Profile: DVD-ROM 
Profile: CD-RW 
Profile: CD-R 
Profile: CD-ROM 
Profile: Removable Disk 
Using generic SCSI-3/mmc-3 DVD+R driver (mmc_dvdplusr).
Driver flags   : NO-CD DVD MMC-3 SWABAUDIO BURNFREE 
Supported modes: PACKET SAO LAYER_JUMP
Drive buf size : 1409024 = 1376 KB
cdrecord: Warning: Cannot read drive buffer.
cdrecord: Warning: The DMA speed test has been skipped.
FIFO size      : 4194304 = 4096 KB
Track 01: data  4840 MB        
Total size:     4840 MB = 2478291 sectors
Current Secsize: 2048
Blocks total: 2295104 Blocks current: 2295104 Blocks remaining: -183187
cdrecord: Data does not fit on current disk.
cdrecord: Input/output error. prevent/allow medium removal: scsi sendcmd: retryable error
CDB:  1E 00 00 00 00 00
status: 0x0 (GOOD STATUS)
cmd finished after 0.000s timeout 200s