From owner-freebsd-hackers Mon Feb 26 22:29:39 1996 Return-Path: owner-hackers Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id WAA01935 for hackers-outgoing; Mon, 26 Feb 1996 22:29:39 -0800 (PST) Received: from rah.star-gate.com (rah.star-gate.com [204.188.121.18]) by freefall.freebsd.org (8.7.3/8.7.3) with SMTP id WAA01928 for ; Mon, 26 Feb 1996 22:29:37 -0800 (PST) Received: from rah.star-gate.com (localhost.v-site.net [127.0.0.1]) by rah.star-gate.com (8.6.12/8.6.12) with ESMTP id WAA01579; Mon, 26 Feb 1996 22:28:57 -0800 Message-Id: <199602270628.WAA01579@rah.star-gate.com> X-Mailer: exmh version 1.6.5 12/11/95 To: "JULIAN Elischer" cc: taob@io.org (Brian Tao), freebsd-hackers@freebsd.org Subject: Re: SCSI error code 83 and 84, medium errors In-reply-to: Your message of "Mon, 26 Feb 1996 22:02:09 PST." <199602270602.WAA14498@ref.tfs.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Mon, 26 Feb 1996 22:28:56 -0800 From: "Amancio Hasty Jr." Sender: owner-hackers@freebsd.org Precedence: bulk >>> "JULIAN Elischer" said: > The AWRE and ARRE bits only replace a block if it can recover the data. > one way of doing this it to write to the block, because the drive figures > (correctly) that if you are over-writing the block, the old data doesn't > matter and can be considered recovered and deleted.. > > > > > sd8(ncr2:2:0): error code 84 > > sd8(ncr2:2:0): MEDIUM ERROR info:1af3b asc:14,1 Record not found field rep laceable unit: 2 > [...] > > have gone away after a newfs (I tested it by dd'ing /dev/zero to a > > file on that partition, filling it up, then reading the file back in). > > The disk is a Seagate Medallist 1GB SCSI-2 drive, the last drive on > > the third NCR53c810 controller. Is there anything I should be > > worried about now? > > > > keep a spare drive handy? > > Not too long ago I trashed my old scsi disk. Sometimes, disk errors are just an early warning that the drive is going bad. So just like Julian said got a spare drive? Amancio