Date: Fri, 22 Feb 2002 22:23:59 +0100 From: Joerg Wunsch <j@uriah.heep.sax.de> To: Kelly Yancey <kbyanc@posi.net> Cc: =?iso-8859-1?Q?G=E9rard_Roudier?= <groudier@free.fr>, freebsd-scsi@FreeBSD.ORG Subject: Re: RBC support patch Message-ID: <20020222222359.A68079@uriah.heep.sax.de> In-Reply-To: <20020222113901.G91617-100000@gateway.posi.net>; from kbyanc@posi.net on Fri, Feb 22, 2002 at 11:42:46AM -0800 References: <20020222081844.D34036@uriah.heep.sax.de> <20020222113901.G91617-100000@gateway.posi.net>
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As Kelly Yancey wrote: > No he is correct. READ(6) uses a 21bit LBA; the high 3 bits > of the 3rd byte are the logical unit number. 2^21 = 2097152 > sectors; sectors are normally 512 bytes so you get 1073741824 > (1024M) bytes. Thank you both for correcting me. I only remembered the 3-byte value, but forgot about the prehistoric LUN bits. Should have looked into the standard before. ;-) -- cheers, J"org .-.-. --... ...-- -.. . DL8DTL http://www.sax.de/~joerg/ NIC: JW11-RIPE Never trust an operating system you don't have sources for. ;-) To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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