Date: Wed, 5 Jun 1996 20:45:26 -0700 (PDT) From: Dror Matalon <dror@hopf.dnai.com> To: freebsd-scsi@freebsd.org, freebsd-isp@freebsd.org Subject: ERROR info:747d9d asc:11,0 Unrecovered read error, other SCSI issues Message-ID: <Pine.NEB.3.93.960605172234.999K-100000@mars.dnai.com>
next in thread | raw e-mail | index | archive | help
Hi Folks, We're using an NCR 53c825 wide scsi controller with 3 Quantum XP34300W 4.3 Fast Wide SCSI drives on a pentium 133 as our news machine. We started getting the messages: sd0(ncr0:0:0): MEDIUM ERROR info:7476a9 asc:11,0 Unrecovered read error , retries:4 sd0(ncr0:0:0): MEDIUM ERROR info:7476a9 asc:11,0 Unrecovered read error , retries:3 ... These messages always complain about 2 addresses 7476a9 and 747d9d. We suspect that these are on the swap area of the first disk. 1. Is there a way to take care of this problem other than swaping out the disk? Could we somehow mark these areas as bad? 2. My number 1 frustration with FreeBsd/Unix on a PC is related to the number of SCSI errors that we're running into. We might be at fault for not running the computer room cool enough, and the PC type of SCSI connectors/cables might also be the problem -- we only recently started using Granite's custom made SCSI cables. Still we've had close to 20% mortality rate on our SCSI disks. Are other people also experiencing these kind or problems? Dror Matalon Voice: 510 649-6110 Direct Network Access Fax: 510 649-7130 2039 Shattuck Avenue Modem: 510 649-6116 Berkeley, CA 94704 Email: dror@dnai.com
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?Pine.NEB.3.93.960605172234.999K-100000>