From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 21 Jun 2001 01:35:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 21 Jun 2001 01:35:11 -0400 Received: from h24-65-193-28.cg.shawcable.net ([24.65.193.28]:12783 "EHLO webber.adilger.int") by vger.kernel.org with ESMTP id ; Thu, 21 Jun 2001 01:34:53 -0400 From: Andreas Dilger Message-Id: <200106210534.f5L5YdhF001060@webber.adilger.int> Subject: Re: harddisk support In-Reply-To: "from mdaljeet@in.ibm.com at Jun 21, 2001 10:22:13 am" To: mdaljeet@in.ibm.com Date: Wed, 20 Jun 2001 23:34:39 -0600 (MDT) CC: linux-kernel@vger.kernel.org X-Mailer: ELM [version 2.4ME+ PL87 (25)] MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Daljeet writes: > In the '/dev' tree, the device file entries for SCSI harddisks ranges from > '/dev/sda' to '/dev/sdp'. If I attach 17 scsi harddisks to a system, the > 17th harddisk is shown as '/dev/sdq' in '/proc/partitions' but there is no > entry in the '/dev' tree. If I try to access '/dev/sdq' either through > fdisk or through any other simple C programs, it gives error saying, can > not open device '/dev/sdq'. > > How can I access more than 16 harddisks? Use the MAKEDEV script to make the extra /dev/sd* entries. Like: cd /dev; MAKEDEV sdq sdr sds sdt sdu sdv sdw sdx sdy sdz sdaa ... You can make up to 128 SCSI disks, all the way to /dev/sddx. Cheers, Andreas -- Andreas Dilger \ "If a man ate a pound of pasta and a pound of antipasto, \ would they cancel out, leaving him still hungry?" http://www-mddsp.enel.ucalgary.ca/People/adilger/ -- Dogbert