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From: Walt H <waltabbyh@comcast.net>
To: linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] pdcraid and weird IDE geometry
Date: Fri, 18 Jul 2003 07:51:45 -0700	[thread overview]
Message-ID: <3F180981.8040508@comcast.net> (raw)

[-- Attachment #1: Type: text/plain, Size: 219 bytes --]

Just to finish this thread. In case anyone else has similar problems of
only detecting 1 drive of their array and you suspect strange geometry
is at play, here's the simple patch I used in the end which WFM :)

-Walt



[-- Attachment #2: pdcraid.patch --]
[-- Type: text/plain, Size: 490 bytes --]

--- /usr/src/temp/linux-2.4.21/drivers/ide/raid/pdcraid.c	2003-06-13 07:51:34.000000000 -0700
+++ pdcraid.c	2003-07-18 06:54:25.000000000 -0700
@@ -361,7 +361,8 @@
 	if (ideinfo->sect==0)
 		return 0;
-	lba = (ideinfo->capacity / (ideinfo->head*ideinfo->sect));
+/*	lba = (ideinfo->capacity / (ideinfo->head*ideinfo->sect));
 	lba = lba * (ideinfo->head*ideinfo->sect);
-	lba = lba - ideinfo->sect;
+	lba = lba - ideinfo->sect; */
+	lba = ideinfo->capacity - ideinfo->sect;
 
 	return lba;

             reply	other threads:[~2003-07-18 15:06 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-07-18 14:51 Walt H [this message]
  -- strict thread matches above, loose matches on Subject: below --
2003-07-17  2:26 Walt H
2003-07-17  8:49 ` Arjan van de Ven
2003-07-17 14:37   ` Walt H
2003-07-17 14:58     ` Alan Cox
2003-07-17 15:34       ` Jeff Garzik
2003-07-17 16:03         ` Andries Brouwer
2003-07-17 15:34       ` Andries Brouwer
2003-07-18  2:33         ` Walt H
2003-07-18  8:58           ` Andries Brouwer
2003-07-18 13:56             ` Walt H
2003-07-17 12:19 ` David Zaffiro

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