From: Goffredo Baroncelli <kreijack@gmail.com>
To: Yangtse Su <yangtsesu@gmail.com>
Cc: linux-btrfs@vger.kernel.org, Hubert Kario <kario@wit.edu.pl>,
David Sterba <dave@jikos.cz>
Subject: Re: How to remove btrfs information
Date: Sat, 17 Nov 2012 17:04:19 +0100 [thread overview]
Message-ID: <50A7B583.90105@gmail.com> (raw)
In-Reply-To: <CAA+Oeuv=VthbT9HkEJm5REiNmOPSL0pPtV=gu4PXP1w1tM284A@mail.gmail.com>
On 11/17/2012 03:52 AM, Yangtse Su wrote:
> I have an btrfs part on /dev/sda5,Then I install windows8 with the
> windows8 installer.I remove this btrfs part and install windows8 on
> it.Now in my Linux,'btfrs filesystem show' still show /dev/sda5 as a
> btrfs part. but now it is Microsoft Reserved part,only 128MB.
>
There was a patch about that [1] and David posted a script perl that
does the same [2]. Moreover it seems that "wipefs" is also able to wipe
out a btrfs super-block. I never tried it.
> Here is some information:
> http://paste.ubuntu.org.cn/155508
Please the next time put all these info in the email
> # blkid
> ...
> /dev/sda5: UUID="9c3e097a-bab0-4f18-b074-5cd2f081c8c7"
UUID_SUB="ef0e296c-f554-415e-9aa9-31b1cb9aef31" TYPE="btrfs"
/dev/sda6: UUID="3AFE3D50FE3D0623" TYPE="ntfs"
> # btrfs filesystem show
> Label: none uuid: 9c3e097a-bab0-4f18-b074-5cd2f081c8c7
> Total devices 1 FS bytes used 284.00KB
> devid 1 size 33.48GB used 2.04GB path /dev/sda5
> ...
> Btrfs Btrfs v0.19
> #gdisk /dev/sda
> >p
> Number Start (sector) End (sector) Size Code Name
> ......
> 5 493025280 493287423 128.0 MiB 0C01 Microsoft
reserved part
> 6 493287424 625141759 62.9 GiB 0700 Basic data
partition
[1]http://comments.gmane.org/gmane.comp.file-systems.btrfs/17065
[2]http://www.mail-archive.com/linux-btrfs@vger.kernel.org/msg16197.html
>
>
> --
> God Is Not A Girl!!!
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next prev parent reply other threads:[~2012-11-17 16:03 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-17 2:52 How to remove btrfs information Yangtse Su
2012-11-17 16:04 ` Goffredo Baroncelli [this message]
2012-11-17 16:50 ` Mike Fleetwood
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