Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 28 Mar 2002 13:12:26 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 28 Mar 2002 13:12:17 -0500 Received: from cpu1185.adsl.bellglobal.com ([207.236.110.166]:14351 "EHLO rtr.ca") by vger.kernel.org with ESMTP id ; Thu, 28 Mar 2002 13:12:06 -0500 Message-ID: <3CA35CAF.59B20386@pobox.com> Date: Thu, 28 Mar 2002 13:10:55 -0500 From: Mark Lord Organization: Real-Time Remedies Inc. X-Mailer: Mozilla 4.79 [en] (X11; U; Linux 2.4.18-pre9 i686) X-Accept-Language: en MIME-Version: 1.0 To: Bill Davidsen CC: John Summerfield , Linux Kernel Mailing List Subject: Re: IDE and hot-swap disk caddies In-Reply-To: Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org hdparm - get/set hard disk parameters - version v4.6 Usage: hdparm [options] [device] .. Options: -a get/set fs readahead -A set drive read-lookahead flag (0/1) -b get/set bus state (0 == off, 1 == on, 2 == tristate) -B get Advanced Power Management setting (1-255) -c get/set IDE 32-bit IO setting -C check IDE power mode status -d get/set using_dma flag -D enable/disable drive defect-mgmt -E set cd-rom drive speed -f flush buffer cache for device on exit -g display drive geometry -h display terse usage information -i display drive identification -I detailed/current information directly from drive -k get/set keep_settings_over_reset flag (0/1) -K set drive keep_features_over_reset flag (0/1) -L set drive doorlock (0/1) (removable harddisks only) -m get/set multiple sector count -n get/set ignore-write-errors flag (0/1) -p set PIO mode on IDE interface chipset (0,1,2,3,4,...) -P set drive prefetch count -q change next setting quietly -r get/set readonly flag (DANGEROUS to set) -R register an IDE interface (DANGEROUS) -S set standby (spindown) timeout -t perform device read timings -T perform cache read timings -u get/set unmaskirq flag (0/1) -U un-register an IDE interface (DANGEROUS) -v default; same as -acdgkmnru (-gr for SCSI, -adgr for XT) -V display program version and exit immediately -w perform device reset (DANGEROUS) -W set drive write-caching flag (0/1) (DANGEROUS) -x perform device for hotswap flag (0/1) (DANGEROUS) -X set IDE xfer mode (DANGEROUS) -y put IDE drive in standby mode -Y put IDE drive to sleep -- Mark Lord Real-Time Remedies Inc. mlord@pobox.com - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/