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Date:      Wed, 16 Sep 1998 05:56:10 +1200 (NZST)
From:      Andrew McNaughton <andrew@squiz.co.nz>
To:        Bryan Bunch <bryanb@walls-media.com>
Cc:        freebsd-isp@FreeBSD.ORG
Subject:   Re: Disk Problems..
Message-ID:  <Pine.BSF.3.96.980916054503.3957C-100000@aniwa.sky>
In-Reply-To: <000f01bde0ac$29584790$337e060c@ntwksbry.walls-media.com>

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On Tue, 15 Sep 1998, Bryan Bunch wrote:

> The last couple of weeks I have been getting the following in my dump logs after
> I do a level 0 dump:
> 
> ==================
>  DUMP: read error from /dev/rsd1s1e: Input/output error: [block 7023280]:
> count=8192
>   DUMP: read error from /dev/rsd1s1e: Input/output error: [sector 7023284]:
> count=512
> ==================
> 
> On my subsequent levle 1 and 2 dumps I don't get the error (I assume the data is
> not being backed up). As soon as I do another level 0 dump I get the errors
> again. I have tried umounting the disk and doing a fdisk on the partition (no
> errors show up), but I continue to get the errors. When doing a fdisk I am just
> doing 'fdisk /dev/partition'. Are there other options I can use to try and fix
> this problem and if I can't fix it, is this something I should worry about? The
> machine seems to be working fine.

fdisk?  shouldn't you be doing an fsck?

Another test you can do is to dd the raw device to /dev/null.  eg 
'dd if=/dev/rwd0 of=/dev/null'.

Andrew 


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