From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joel Becker Subject: Re: Fwd: 32bit dev_t Date: Fri, 24 Jan 2003 10:29:53 -0800 Sender: linux-scsi-owner@vger.kernel.org Message-ID: <20030124182952.GF20972@ca-server1.us.oracle.com> References: <3E2DC21D.9010204@torque.net> <20030123183131.GA2126@nbkurt.garloff.de> <20030123221805.A2468@infradead.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from inet-mail2.oracle.com (localhost [127.0.0.1]) by inet-mail2.oracle.com (Switch-2.2.3/Switch-2.2.3) with ESMTP id h0OIU2n26027 for ; Fri, 24 Jan 2003 10:30:02 -0800 (PST) Received: from rgmgw6.us.oracle.com (rgmgw6.us.oracle.com [138.1.191.15]) by inet-mail2.oracle.com (Switch-2.2.3/Switch-2.2.3) with ESMTP id h0OIU2a25896 for ; Fri, 24 Jan 2003 10:30:02 -0800 (PST) Received: from rgmgw6.us.oracle.com (localhost [127.0.0.1]) by rgmgw6.us.oracle.com (Switch-2.1.3/Switch-2.1.0) with ESMTP id h0OIU1w23784 for ; Fri, 24 Jan 2003 11:30:01 -0700 (MST) Content-Disposition: inline In-Reply-To: <20030123221805.A2468@infradead.org> List-Id: linux-scsi@vger.kernel.org To: Christoph Hellwig Cc: Kurt Garloff , Douglas Gilbert , Linux SCSI list On Thu, Jan 23, 2003 at 10:18:05PM +0000, Christoph Hellwig wrote: > the Linux 2.5 sd and sr drivers are only limited by the number of majors > allocated to them. There's no more architectural limit or any global > array. How are they allocated? Is this dynamic, or compiled in? In addition, what is the maximum amount? If it's less than 1000 disks, it's too small for today. If it's less than 2000 disks, it's probably too small for 2.6's lifetime. Joel -- "Practice random acts of kindness and senseless acts of beauty." Oh, and don't forget where your towel is. Joel Becker Senior Member of Technical Staff Oracle Corporation E-mail: joel.becker@oracle.com Phone: (650) 506-8127