Date: Thu, 27 Nov 2008 14:22:42 +0530 From: "shakeb ainul" <mailshakeb@gmail.com> To: freebsd-scsi@freebsd.org Subject: Problem with RAID1 Disk on Freebsd Message-ID: <124704c40811270052s1d215d24kc7b057da17a1cb83@mail.gmail.com>
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------=_Part_28988_2371939.1227775963034 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline Hi, I am a developer with one of the top IT companies in Asia. I have the following problem with my RAID 1 server. Last week, the only disk of my server failed due to unknown reason and it required a reboot of the server. Following error messages were logged in: /var/log/messages Nov 21 02:18:17 server1 kernel: ciss0: *** SCSI bus speed downshifted, SCSI port 2 Nov 21 02:20:58 server1 kernel: ciss0: *** SCSI bus speed downshifted, SCSI port 2 Nov 21 02:22:37 server1 kernel: ciss0: *** SCSI bus speed downshifted, SCSI port 2 Nov 21 02:31:01 server1 kernel: ciss0: *** Physical drive failure: SCSI port 2 ID 1 Nov 21 02:31:01 server1 kernel: ciss0: *** State change, logical drive 0 Nov 21 02:31:01 server1 kernel: ciss0: logical drive 0 (da0) changed status OK->interim recovery, spare status 0x0 Attached is the dmesg.boot file of my server. Please advise on what could be the possible causes for this fault and what can we do to ensure it does not happen again in future. Thanks in anticipation. Regards, SHAKEB AINUL ------=_Part_28988_2371939.1227775963034 Content-Type: text/plain; name=dmesg.boot.txt Content-Transfer-Encoding: base64 X-Attachment-Id: f_fo15npw90 Content-Disposition: attachment; filename=dmesg.boot.txt Q29weXJpZ2h0IChjKSAxOTkyLTIwMDcgVGhlIEZyZWVCU0QgUHJvamVjdC4NCkNvcHlyaWdodCAo YykgMTk3OSwgMTk4MCwgMTk4MywgMTk4NiwgMTk4OCwgMTk4OSwgMTk5MSwgMTk5MiwgMTk5Mywg MTk5NA0KICAgICAgICBUaGUgUmVnZW50cyBvZiB0aGUgVW5pdmVyc2l0eSBvZiBDYWxpZm9ybmlh LiBBbGwgcmlnaHRzIHJlc2VydmVkLg0KRnJlZUJTRCBpcyBhIHJlZ2lzdGVyZWQgdHJhZGVtYXJr IG9mIFRoZSBGcmVlQlNEIEZvdW5kYXRpb24uDQpGcmVlQlNEIDYuMi1SRUxFQVNFICMwOiBNb24g Tm92ICA1IDE0OjI5OjM2IEVTVCAyMDA3DQogICAgcm9vdEBwaXQtY3ZzOi91c3Ivb2JqL3Vzci9z cmMvc3lzL0hQX0RMMzgwRzRfU01QX1BJVFQNClRpbWVjb3VudGVyICJpODI1NCIgZnJlcXVlbmN5 IDExOTMxODIgSHogcXVhbGl0eSAwDQpDUFU6IEludGVsKFIpIFhlb24oVE0pIENQVSAzLjQwR0h6 ICgzNDAwLjE0LU1IeiBLOC1jbGFzcyBDUFUpDQogIE9yaWdpbiA9ICJHZW51aW5lSW50ZWwiICBJ ZCA9IDB4ZjQxICBTdGVwcGluZyA9IDENCiAgRmVhdHVyZXM9MHhiZmViZmJmZjxGUFUsVk1FLERF 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