On 11.08.2010 2:50, Bakul Shah wrote: > After poking around some, it seems ATA/ATAPI-7 Identify > Device word 106 bit 13 is set to 1 and bits 0-3 are set to 3 > (for 2^3 or 8 LBAs per sector) for a 4KB sector size (pin 7-8 > jumper on a WD AF disks presumably changes this setting to > 0,0). See page 121 of Atapi-7 volume 1 (google for > ata-atapi-7.pdf). > > Hopefully this helps in whatever `clean solution' you are > looking for?
This information is already used by ada(4) driver. If your disk doesn't lie about sector size you can see both logical and physical sector sizes in output of `camcontrol identify ada0` command. -- WBR, Andrey V. Elsukov
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