Date: Tue, 17 Jun 1997 20:58:47 -0400 From: Bill Grunfelder <wjgrun@cyberwar.com> To: freebsd-scsi@freebsd.org Subject: SCSI Parity Errors Message-ID: <3.0.2.32.19970617205847.007cae70@pop.cyberwar.com>
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I have recently started getting scsi error messages on our news server which has caused it to lock up. The machine is not heavily hit -- no more than 5 connections at any given time. It is a P5-150, with 128MB RAM, 256MB swap, an Adaptec 3940UW SCSI card, and 4 4GB SCSI drives running FreeBSD 2.2.2. The drive reporting the errors is one of 2 Western Digital Enterprise drives (both are on Channel B of the 3940) which are ccd'd for the alt.binaries groups; /etc/ccd.conf: ccd0 128 none /dev/sd2e /dev/sd3e I do have the following compiled into the kernel, do I want them all? options AHC_TAGENABLE options AHC_ALLOW_MEMIO options AHC_SCBPAGING_ENABLE I have also run Adaptec's "Verify Disk" on the drive, but it reported no errors. BTW, the Enterprise drives are relatively new, 2-3 months. Can someone please give me some insight as to what could be causing these errors and how I can stop them? Thank you, Bill ----errors from /var/log/messages---- Jun 17 10:16:27 abc /kernel: sd3(ahc1:5:0): parity error during Data-In phase. Jun 17 10:16:27 abc /kernel: sd3(ahc1:5:0): ABORTED COMMAND csi:ff,ff,ff,ff asc:48,0 Jun 17 10:16:27 abc /kernel: sd3(ahc1:5:0): Initiator detected error message Jun 17 10:16:27 abc /kernel: sd3(ahc1:5:0): parity error during Message-In phase. Jun 17 10:16:37 abc /kernel: sd3(ahc1:5:0): SCB 0x1 - timed out in message in phase, SCSISIGI == 0x54 Jun 17 10:16:41 abc /kernel: sd2(ahc1:2:0): SCB 0x5 timedout while recovery in progress Jun 17 10:16:41 abc /kernel: sd3(ahc1:5:0): SCB 0x7 timedout while recovery in progress Jun 17 10:16:42 abc /kernel: sd3(ahc1:5:0): SCB 0x1 - timed out in message in phase, SCSISIGI == 0x54 Jun 17 10:16:42 abc /kernel: sd3(ahc1:5:0): abort message in message buffer Jun 17 10:16:42 abc /kernel: sd3(ahc1:5:0): SCB 0x1 - timed out in message in phase, SCSISIGI == 0x54 Jun 17 10:16:42 abc /kernel: ahc1: Issued Channel A Bus Reset. 3 SCBs aborted Jun 17 10:16:42 abc /kernel: sd3(ahc1:5:0): no longer in timeout Jun 17 10:16:42 abc /kernel: sd3(ahc1:5:0): UNIT ATTENTION csi:ff,ff,ff,ff asc:29,2 ....................................................................... Bill Grunfelder System Administrator wjgrun@cyberwar.com Cyber Warrior, Inc. http://www.cyberwar.com/~wjgrun/ (201) 703-1517
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