Copyright (c) 2008 Reinoud Zandijk
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.Dd May, 9, 2008 .Dt MMCFORMAT 8 .Os .Sh NAME .Nm mmcformat .Nd format optical media .Sh SYNOPSIS .Nm .Op Fl B .Op Fl F .Op Fl O .Op Fl M .Op Fl R .Op Fl G .Op Fl S .Op Fl s .Op Fl w .Op Fl p .Op Fl c Ar cert-num .Op Fl r .Op Fl h .Op Fl H .Op Fl I .Op X format is not implemented yet
.Op Fl b blockingnr .Op D .Ar special .Sh DESCRIPTION The .Nm utility formats optical media conforming to the MMC standard. These include CD , DVD, and Blu-Ray (BD) media.
p The options are as follows: l -tag -width indent t Fl B Blank media when possible before formatting it. t Fl F Format media. t Fl O Old style CD-RW formatting ; recommended for CD-RW. t Fl M Select MRW (Mount Raineer) error correcting background format. t Fl R Restart previously stopped MCD-MRW or DVD+RW backfround format. t Fl G Grow last CD-RW/DVD-RW session. t Fl S Grow spare space DVD-RAM / BD-RE. t Fl s Format DVD+MRW / BD-RE with extra spare space. t Fl w Wait until completion of background format. t Fl p Explicitly set packet format. t Fl c Ar cert-num Certify media for DVD-RAM / DV-RE. The argument cert-num specifies: 0) no certification , 1) full certification , 2) quick certification. t Fl r Recompile defect list for DVD-RAM. t Fl h Show help or inquiry format possibilities for inserted media. t Fl H Show help or inquiry format possibilities for inserted media. t Fl i Show help or inquiry format possibilities for inserted media. t Fl b blockingnr Explicit select packet size in sectors for CD-RW only; not recommended to change from its default 32. t Fl D Verbose all SCSI/ATAPI command errors. .El .Sh NOTES Due to the enormous varieties in optical media, the tool is made as generic as possible. This can result in confusion. .Sh EXAMPLES d -literal -offset indent mmcformat -B -O /dev/rcd0d .Ed
p Blanks and then formats a CD-RW disc using the `old-style' format command. Its recommended to use this `old-style' command unless your drive reports its not supported; if so, resort to the default .Fl F . Note that a CD-RW disc can be reformatted without being blanked. Blanking swiches between sequential and fixed packet writing by erasing the disc. This can also help to revive old discs.
p d -literal -offset indent mmcformat -F -M /dev/rcd0d .Ed
p Format a CD-RW or a DVD+RW to use MRW (Mount Raineer). This format tries to hide media flaws as much as possible by relocation. .Sh SEE ALSO .Xr scsictl 8 .Sh BUGS It could be merged with .Xr scsictl 8 but that tool is very harddisc oriented. .Sh HISTORY The .Nm command first appeared in .Nx 5.0 . .Sh AUTHORS .An Reinoud Zandijk Aq reinoud@NetBSD.org .