ycheng>>In article <199907070339.vaa88...@panzer.kdm.org> you wrote: ycheng>>>> 3.5" 650MB and 1.3GB MO drives should handle 512KB/sector(128MB, ycheng>>>> 230MB, 540MB) and 2048KB/sector media(640MB, 1.3GB).
Ofcouse, my typo: 512KB/sector -> 512B/sector, 2048KB/sector -> 2048B/sector ycheng>>> The CAM DA driver was specifically designed to handle various sector sizes, ycheng>>> and should work fine with non-512 byte sector sizes. If it doesn't, it ycheng>>> needs to be fixed. ycheng>>I use "Mitsubishi MCA 640" with Tekram 390F scsi card. ycheng>>I guess one of error message is from ycheng>> ycheng>>/usr/src/sys/kern/subr_diskslice.c ycheng>> line 308 (or line 314, I am not very sure) ycheng>> which is: ycheng>> "dscheck: b_bcount %ld is not on a sector boundary (ssize %d)\n" ycheng>> ycheng>>I think this can help you to find why we say that 2048/sector won't work. Thanks. But that was disklabel or slice problem. And also current ffs and msdosfs need some patches for 2048 sector media. -- Takeshi OHASHI oha...@mickey.ai.kyutech.ac.jp oha...@jp.freebsd.org To Unsubscribe: send mail to majord...@freebsd.org with "unsubscribe freebsd-hackers" in the body of the message