From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ea0-f174.google.com ([209.85.215.174]:63515 "EHLO mail-ea0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751820Ab2KQQDI (ORCPT ); Sat, 17 Nov 2012 11:03:08 -0500 Received: by mail-ea0-f174.google.com with SMTP id e13so1451740eaa.19 for ; Sat, 17 Nov 2012 08:03:07 -0800 (PST) Message-ID: <50A7B583.90105@gmail.com> Date: Sat, 17 Nov 2012 17:04:19 +0100 From: Goffredo Baroncelli Reply-To: kreijack@inwind.it MIME-Version: 1.0 To: Yangtse Su CC: linux-btrfs@vger.kernel.org, Hubert Kario , David Sterba Subject: Re: How to remove btrfs information References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-btrfs-owner@vger.kernel.org List-ID: 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!!! > -- > To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- gpg @keyserver.linux.it: Goffredo Baroncelli (kreijackATinwind.it> Key fingerprint BBF5 1610 0B64 DAC6 5F7D 17B2 0EDA 9B37 8B82 E0B5