Date: Sun, 25 Jan 2009 02:11:11 +0100 From: Polytropon <freebsd@edvax.de> To: FreeBSD Questions <freebsd-questions@freebsd.org> Subject: Comfortable dd bs= parameters for different media Message-ID: <20090125021111.90661db0.freebsd@edvax.de>
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Hi, I'd like to ask which sizes are comfortable to use for reading from different media using the dd utility. As far as I know, these are good values: Format Device (example) bs= ------------- --------------------- ---- Data CD /dev/acd0 2048 Music CD /dev/acd0t01 2352 DVD /dev/acd0 2048 (?) Hard disk /dev/ad0s1g 1m (?) The usual command is % dd if=/dev/see-above of=somefile.dd bs=whatever What about copying partition-wise from a hard disk to a dd file? Which bs= parameter would be encouraged to use? -- Polytropon >From Magdeburg, Germany Happy FreeBSD user since 4.0 Andra moi ennepe, Mousa, ...
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