Date: Sun, 04 Jul 2004 10:23:11 +0300 From: Danny Braniss <danny@cs.huji.ac.il> To: Doug White <dwhite@gumbysoft.com> Cc: Soren Schmidt <sos@FreeBSD.org> Subject: Re: problems with RAID0 and Intel/SE7501WV2/Promise Message-ID: <20040704072313.4A7FB43D2F@mx1.FreeBSD.org> In-Reply-To: Your message of Sat, 3 Jul 2004 19:45:13 -0700 (PDT) .
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> On Sat, 3 Jul 2004, Danny Braniss wrote: > > > > > How did you construct the array volume? This looks like one of the > > > > offsets in the disklabel is wrong. > > > > > > > > > > I used sysinstall, and disklabel -e to change the partition letters. > > > The problem appears after several hours of disk usage, and the only > > > partition in use is h. > > > > > whops, rereading the question, here is the correct answer, sorry. > > > > I used the bios to define the raid0, stripe, 2 disks. > > (the menu is 'fool-proof', so i guess i couldn't have made a mistook :-) > > OK, so you used the ATA controller's menu to construct the RAID array, > then used sysinstall to slice the ensuing volume. Hm. It appears that > writes to sector 0 are disallowed. Can you try installing without the > array defined, to make sure the disks are writable otherwise? > the problem appears after several hours of reading/writing - actually building a huge postgres database, the partition is h, not even close to the begining of the disk, and IMHO the kernel/postgres have no reason to write on fsbn 0 (ad4 bn 0; cn 0 tn 0 sn 0) in any case. btw, a similar system is working ok, with the small difference in the size of the disks, 120GBx2 vs. 200GBx2 RAID0 > > > > > Jul 2 10:18:35 cs7.cs.huji.ac.il /kernel: ad4: hard error writing fsbn 0 (ad4 > > > > > bn 0; cn 0 tn 0 sn 0) trying PIO mode > > > > > Jul 2 10:18:35 cs7.cs.huji.ac.il /kernel: ad6: hard error writing fsbn 0 (ad6 > > > > > bn 0; cn 0 tn 0 sn 0) status=51 error=10 > > > > > Jul 2 10:18:35 cs7.cs.huji.ac.il /kernel: ar0: ERROR - array broken > > > > > Jul 2 10:18:35 cs7.cs.huji.ac.il /kernel: ad4: hard error writing fsbn 0 (ad4 > > > > > bn 0; cn 0 tn 0 sn 0) status=51 error=10 > > > > > Jul 2 10:18:35 cs7.cs.huji.ac.il /kernel: ar0: ERROR - array broken > > > > > Jul 2 10:18:35 cs7.cs.huji.ac.il /kernel: ar0: ERROR - array broken > > -- > Doug White | FreeBSD: The Power to Serve > dwhite@gumbysoft.com | www.FreeBSD.org
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