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Date:      Fri, 8 Jan 2016 17:44:38 -0700
From:      jd1008 <jd1008@gmail.com>
To:        freebsd-questions@freebsd.org
Subject:   Re: "fsck -y /" keeps saying "Disk is still dirty" no matter how many times I run it
Message-ID:  <569057F6.6060903@gmail.com>
In-Reply-To: <alpine.BSF.2.20.1601081810070.15411@abbf.ynefrvtuareubzr.pbz>
References:  <569017FF.9060509@rawbw.com> <alpine.BSF.2.20.1601081810070.15411@abbf.ynefrvtuareubzr.pbz>

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On 01/08/2016 05:15 PM, Lars Eighner wrote:
> On Fri, 8 Jan 2016, Yuri wrote:
>
>> As a result of the power outage I needed to run fsck on UFS disk with 
>> soft-updates.
>>
>> But every time the command 'fsck -y /' says that it corrected a lot 
>> of problems, but it still leaves the disk dirty. I ran it at least 15 
>> times - same result.
>
> Most likely you have a bad sector on your disk. fsck cannot fix this. 
> When you write to the disk, hopefully the disk will mark the sector 
> bad, and basically hide it. Unfortunately, you cannot mount it to 
> write if it is dirty. You can only newfs it, which means goodbye to 
> everything since your last backup. After you newfs, you can restore 
> from your backup.
>
>
>>
>> What would be the way to proceed from here?
>>
>> (I ran fsck before, but it never happened that fsck keeps finding 
>> problems)
>>
>> Thank you,
>> Yuri
Can you boot from a live fbsd cdrom and run fsck
on the boot drive?
Add the option -f -v
Assuming your boot partition and slice is |ada0s1a
|fsck -v -f -y /dev/|ada0s1a 2>&1 | tee /tmp/fsck.out|

Please provide the file /tmp/fsck.out by uploading it to some sharing 
website, and provide the url to it.

Be sure the drive in question is not mounted.




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