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SubjectRe: [OFFTOPIC] optimized disks drives from quantum
On Tue, 23 Mar 1999 getienne@globalserve.net wrote:

} is it possible to disable this 'optimization' on a per read/write basis ?
} or the verification must be done 'manually' i.e. write=write/read/memcmp.

Who's to say that the verification will even be reliable? That, is you
read right off the buffer you just wrote, you might not even get data from
the disk surface but the buffer. And that might be right when the
controller just wrote trash all over the platter. Not to mention
the potential to saturate the bus (IDE, of course).

I get 100MB/sec backups to /dev/null... :)

Jim




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