Hello, my Dell 2850 scsi raid controller/disks caused trouble again. logwatch states these lines: WARNING: Kernel Errors Present I/O error: dev 08:03, sect...: 42Time(s) I/O error: dev 08:10, sect...: 1Time(s) SCSI disk error : host 0 channel...: 43Time(s) hda: drive_cmd: error=0x04Aborted Comm...: 1Time(s) hda: drive_cmd: status=0x51 { DriveReady SeekComplete Error }...: 1Time(s) using again at the dellmgr application, I cannot see any errors for the 4 disks! how can this be? Full errors were: Feb 6 19:31:21 master kernel: I/O error: dev 08:03, sector 49435176 Feb 6 19:31:21 master kernel: I/O error: dev 08:10, sector 70073264 Feb 6 19:31:21 master kernel: I/O error: dev 08:03, sector 49435184 Feb 6 19:31:50 master kernel: I/O error: dev 08:03, sector 55196720 Feb 6 19:31:50 master kernel: I/O error: dev 08:03, sector 49435184 Feb 6 19:31:50 master kernel: I/O error: dev 08:03, sector 49435696 Feb 6 19:31:50 master kernel: I/O error: dev 08:03, sector 49435432 Feb 6 19:31:50 master kernel: I/O error: dev 08:03, sector 49435824 Feb 6 19:31:50 master kernel: I/O error: dev 08:03, sector 49435952 Feb 6 19:31:50 master kernel: I/O error: dev 08:03, sector 49435560 Feb 6 19:31:50 master kernel: I/O error: dev 08:03, sector 49435312 Feb 6 19:51:38 master kernel: I/O error: dev 08:03, sector 49435176 Feb 6 19:51:38 master kernel: I/O error: dev 08:03, sector 49435184 Feb 6 19:52:06 master kernel: I/O error: dev 08:03, sector 55197072 Feb 6 19:52:06 master kernel: I/O error: dev 08:03, sector 49435184 Feb 6 19:52:06 master kernel: I/O error: dev 08:03, sector 13130096 Feb 6 20:25:27 master kernel: I/O error: dev 08:03, sector 116495320 Feb 6 20:25:27 master kernel: I/O error: dev 08:03, sector 49434504 Feb 6 20:25:27 master kernel: I/O error: dev 08:03, sector 49434512 Feb 6 20:25:27 master kernel: I/O error: dev 08:03, sector 116495328 Feb 6 20:25:27 master kernel: I/O error: dev 08:03, sector 49434552 Feb 6 20:25:27 master kernel: I/O error: dev 08:03, sector 49434544 Feb 6 20:25:27 master kernel: I/O error: dev 08:03, sector 49434800 Feb 6 20:25:27 master kernel: I/O error: dev 08:03, sector 49435160 Feb 6 20:25:27 master kernel: I/O error: dev 08:03, sector 49434928 Feb 6 20:25:27 master kernel: I/O error: dev 08:03, sector 49435056 Feb 6 20:25:27 master kernel: I/O error: dev 08:03, sector 49435312 Feb 6 20:25:27 master kernel: I/O error: dev 08:03, sector 49435168 Feb 6 20:25:27 master kernel: I/O error: dev 08:03, sector 49436496 Feb 6 20:25:27 master kernel: I/O error: dev 08:03, sector 49435552 Feb 6 20:25:27 master kernel: I/O error: dev 08:03, sector 49434656 Feb 6 20:25:27 master kernel: I/O error: dev 08:03, sector 49435176 Feb 6 20:25:27 master kernel: I/O error: dev 08:03, sector 49435560 Feb 6 20:25:27 master kernel: I/O error: dev 08:03, sector 49436408 Feb 6 20:25:27 master kernel: I/O error: dev 08:03, sector 49434664 Feb 6 20:25:27 master kernel: I/O error: dev 08:03, sector 49436320 Feb 6 20:25:27 master kernel: I/O error: dev 08:03, sector 49435184 Feb 6 20:25:27 master kernel: I/O error: dev 08:03, sector 49435568 Feb 6 20:25:27 master kernel: I/O error: dev 08:03, sector 49434672 Feb 6 20:25:27 master kernel: I/O error: dev 08:03, sector 49436336 Feb 6 20:25:27 master kernel: I/O error: dev 08:03, sector 49436760 Feb 6 20:25:27 master kernel: I/O error: dev 08:03, sector 49436888 Feb 6 20:25:27 master kernel: I/O error: dev 08:03, sector 49437096 Feb 6 20:25:27 master kernel: SCSI disk error : host 0 channel 0 id 0 lun 0 return code = 40001 Feb 6 20:06:01 master kernel: hda: drive_cmd: status=0x51 { DriveReady SeekComplete Error } Feb 6 20:06:01 master kernel: hda: drive_cmd: error=0x04Aborted Command I guess one of my disks is going to be broken soon, but I am not able to see which one. System is RHEL3 using this Kernel from RHN: 2.4.21-37.ELsmp #1 SMP Wed Sep 7 13:28:55 EDT 2005 i686 i686 i386 GNU/Linux Can someone please explain these error codes to me? thanks, Marcus - : send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html