Date: Sun, 13 Jul 2003 12:42:27 EST From: Andrea Venturoli <ml.ventu@flashnet.it> To: freebsd-questions@freebsd.org Subject: Re: vinum and hot-swapping Message-ID: <200307131042.h6DAgRdO000882@soth.ventu>
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** Reply to note from Malcolm Kay <malcolm.kay@internode.on.net> Sun, 13 Jul 2003 14:42:21 +0930
> > Shouldn't SCSI system allow paralell writes on different disks?
>
> Physical writes yes. But how does the data get there?
> The SCSI bus (like any other) has a finite bandwidth.
Ok, but suppose you have an 80MB/s bus with 3 disks attached.
Not accounting for cache, I don't believe a disk will do 80/3=27 MB/s, so they actually can work in parallel, don't
they?
Obviously this is only an example...
bye
av.
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