Re: scsi vs ide performance on fsync's

From: Dan Hollis (goemon@anime.net)
Date: Fri Mar 02 2001 - 20:55:25 EST


On Fri, 2 Mar 2001, Chris Mason wrote:
> For why ide is beating scsi in this benchmark...make sure tagged queueing
> is on (or increase the queue length?). For the xlog.c test posted, I would
> expect scsi to get faster than ide as the size of the write increases.

I have seen that many drives either have a pathetically small queue or
have completely broken tagged queueing. I guess thats what happens when
most vendors target their hardware for micro$oft.

-Dan

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