Date: Fri, 22 Feb 2002 11:42:46 -0800 (PST) From: Kelly Yancey <kbyanc@posi.net> To: Joerg Wunsch <joerg_wunsch@uriah.heep.sax.de> Cc: =?iso-8859-1?Q?G=E9rard_Roudier?= <groudier@free.fr>, <freebsd-scsi@FreeBSD.ORG> Subject: Re: RBC support patch Message-ID: <20020222113901.G91617-100000@gateway.posi.net> In-Reply-To: <20020222081844.D34036@uriah.heep.sax.de>
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On Fri, 22 Feb 2002, Joerg Wunsch wrote:
> As G=E9rard Roudier wrote:
>
> > Even if your obviousness is different from mine, at least, we should
> > not want to send a 6 byte R|W command to a DA devices that did
> > report capacity >=3D 1024 MB, for example.
>
> Btw., 8 GB is the limit (2^24 blocks).
>
> --
> cheers, J"org .-.-. --... ...-- -.. . DL8DTL
>
No he is correct. READ(6) uses a 21bit LBA; the high 3 bits of the 3rd b=
yte
are the logical unit number. 2^21 =3D 2097152 sectors; sectors are normall=
y 512
bytes so you get 1073741824 (1024M) bytes.
Kelly
kbyanc@{posi.net,FreeBSD.org}
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