From owner-freebsd-scsi Fri Mar 14 00:32:24 1997 Return-Path: Received: (from root@localhost) by freefall.freebsd.org (8.8.5/8.8.5) id AAA07165 for freebsd-scsi-outgoing; Fri, 14 Mar 1997 00:32:24 -0800 (PST) Received: from shadows.aeon.net (bsdscsi@shadows.aeon.net [194.100.41.1]) by freefall.freebsd.org (8.8.5/8.8.5) with ESMTP id AAA07158 for ; Fri, 14 Mar 1997 00:32:19 -0800 (PST) Received: (from bsdscsi@localhost) by shadows.aeon.net (8.8.5/8.8.3) id KAA26719; Fri, 14 Mar 1997 10:28:48 +0200 (EET) From: mika ruohotie Message-Id: <199703140828.KAA26719@shadows.aeon.net> Subject: Re: Medium error messages - how to read In-Reply-To: <199703131403.JAA07232@hda.hda.com> from Peter Dufault at "Mar 13, 97 09:03:42 am" To: dufault@hda.com (Peter Dufault) Date: Fri, 14 Mar 1997 10:28:48 +0200 (EET) Cc: joerg_wunsch@uriah.heep.sax.de, gilbertd@cs.man.ac.uk, scsi@freebsd.org X-Mailer: ELM [version 2.4ME+ PL31 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-scsi@freebsd.org X-Loop: FreeBSD.org Precedence: bulk [my scsi probs] > You need to store the settings permanently by saving them in the non-volatile > page or they will reset at the next power cycle. Use a "-P 3" with > the same command. why my drives disallow me to set the ARRE to 1? i tried multiple times. even if i edit that, when i look the value after save&exit it's 0 again. this is what i have now: pluto# scsi -f /dev/rsd1.ctl -m 1 AWRE (Auto Write Reallocation Enbld): 1 ARRE (Auto Read Reallocation Enbld): 0 TB (Transfer Block): 1 RC (Read Continuous): 0 EER (Enable Early Recovery): 0 PER (Post Error): 0 DTE (Disable Transfer on Error): 0 DCR (Disable Correction): 0 Read Retry Count: 34 Correction Span: 41 Head Offset Count: 0 Data Strobe Offset Count: 0 Write Retry Count: 34 Recovery Time Limit: 0 pluto# > > set check(rrc) {1 8 0 "The read retry count is 0"} > > set check(wrc) {1 12 0 "The write retry count is 0"} > > set check(wce) {8 1 0 "The write cache is not enabled"} > > set check(rcd) {8 3 1 "The read cache is disabled"} those werent listed, relevant? actually i looked other pages (without knowing actually what i was doing except that i assumed it being "safe") pluto# scsi -f /dev/rsd1.ctl -m 8 WCE: 0 MF: 0 RCD: 0 Demand Retention Priority: 0 Write Retention Priority: 0 Disable Pre-fetch Transfer Length: 65535 Minumum Pre-fetch: 0 Maximum Pre-fetch: 249 Maximum Pre-fetch Ceiling: 65535 should i edit that wce value to 1? (well, i did try, and it returns 0 just like the other value i twiddled with) (for the record on my quantum drive those all were "right" as default) pluto# scsi -f /dev/rsd1.ctl -m 3 Tracks per Zone: 5 Alternate Sectors per Zone: 11 Alternate Tracks per Zone: 0 Alternate Tracks per Logical Unit: 5 Sectors per Track: 186 Data Bytes per Physical Sector: 512 Interleave: 1 Track Skew Factor: 36 Cylinder Skew Factor: 36 SSEC: 0 HSEC: 1 RMB: 0 SURF: 0 pluto# scsi -f /dev/rsd1.ctl -m 4 Number of Cylinders: 5714 Number of Heads: 5 Starting Cylinder-Write Precompensation: 0 Starting Cylinder-Reduced Write Current: 0 Drive Step Rate: 0 Landing Zone Cylinder: 0 RPL: 0 Rotational Offset: 0 Medium Rotation Rate: 7200 pluto# scsi -f /dev/rsd1.ctl -m 0 96 03 00 00 00 00 00 00 00 00 00 pluto# scsi -f /dev/rsd1.ctl -m 2 Buffer Full Ratio: 128 Buffer Empty Ratio: 128 Bus Inactivity Limit: 50 Disconnect Time Limit: 0 Connect Time Limit: 0 Maximum Burst Size: 0 DTDC: 0 does that look sane? as it seems obvious, i only use scsi devices. > Peter mickey