2048kb block size

[David Gilbert]

>>>>> "Kenneth" == Kenneth D Merry <ken at freebsd.org> writes:

Kenneth> On Fri, Oct 07, 2005 at 13:08:05 +0300, Danny Braniss wrote:
>> hope this doesn't sound too silly, but can the scsi blcksize be
>> set/changed?  i know that the 'disk' can be formated to any
>> blocksize, the question is does the CAM/da know about non 512 block
>> size?

Kenneth> CDROM drives often have jumpers to go between 2048 byte and
Kenneth> 512 byte blocks.

Kenneth> Some hard drives can be formatted for block sizes from 512 to
Kenneth> 528 bytes.  Anything larger than 512 in that case is used for
Kenneth> per-sector ECC information and is typically only used by RAID
Kenneth> controllers.

Might be interesting to have a geom toy that used 528 byte blocks to
do ECC.

Dave.

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