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Tue, 19 Mar 2024 01:53:04 +0100 Message-ID: <1cfe630d-ddb4-42fc-ac42-54fa53cab747@gmx.com> Date: Tue, 19 Mar 2024 11:23:01 +1030 Precedence: bulk X-Mailing-List: linux-btrfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: Help requested: btrfs can't read superblock Content-Language: en-US To: kind.moon1862@fastmail.com, linux-btrfs@vger.kernel.org References: <37de8ead-fefa-4fab-a0ed-bbdb2bf15cf4@app.fastmail.com> From: Qu Wenruo Autocrypt: addr=quwenruo.btrfs@gmx.com; keydata= xsBNBFnVga8BCACyhFP3ExcTIuB73jDIBA/vSoYcTyysFQzPvez64TUSCv1SgXEByR7fju3o 8RfaWuHCnkkea5luuTZMqfgTXrun2dqNVYDNOV6RIVrc4YuG20yhC1epnV55fJCThqij0MRL 1NxPKXIlEdHvN0Kov3CtWA+R1iNN0RCeVun7rmOrrjBK573aWC5sgP7YsBOLK79H3tmUtz6b 9Imuj0ZyEsa76Xg9PX9Hn2myKj1hfWGS+5og9Va4hrwQC8ipjXik6NKR5GDV+hOZkktU81G5 gkQtGB9jOAYRs86QG/b7PtIlbd3+pppT0gaS+wvwMs8cuNG+Pu6KO1oC4jgdseFLu7NpABEB AAHNIlF1IFdlbnJ1byA8cXV3ZW5ydW8uYnRyZnNAZ214LmNvbT7CwJQEEwEIAD4CGwMFCwkI BwIGFQgJCgsCBBYCAwECHgECF4AWIQQt33LlpaVbqJ2qQuHCPZHzoSX+qAUCY00iVQUJDToH pgAKCRDCPZHzoSX+qNKACACkjDLzCvcFuDlgqCiS4ajHAo6twGra3uGgY2klo3S4JespWifr BLPPak74oOShqNZ8yWzB1Bkz1u93Ifx3c3H0r2vLWrImoP5eQdymVqMWmDAq+sV1Koyt8gXQ XPD2jQCrfR9nUuV1F3Z4Lgo+6I5LjuXBVEayFdz/VYK63+YLEAlSowCF72Lkz06TmaI0XMyj jgRNGM2MRgfxbprCcsgUypaDfmhY2nrhIzPUICURfp9t/65+/PLlV4nYs+DtSwPyNjkPX72+ LdyIdY+BqS8cZbPG5spCyJIlZonADojLDYQq4QnufARU51zyVjzTXMg5gAttDZwTH+8LbNI4 mm2YzsBNBFnVga8BCACqU+th4Esy/c8BnvliFAjAfpzhI1wH76FD1MJPmAhA3DnX5JDORcga CbPEwhLj1xlwTgpeT+QfDmGJ5B5BlrrQFZVE1fChEjiJvyiSAO4yQPkrPVYTI7Xj34FnscPj /IrRUUka68MlHxPtFnAHr25VIuOS41lmYKYNwPNLRz9Ik6DmeTG3WJO2BQRNvXA0pXrJH1fN GSsRb+pKEKHKtL1803x71zQxCwLh+zLP1iXHVM5j8gX9zqupigQR/Cel2XPS44zWcDW8r7B0 q1eW4Jrv0x19p4P923voqn+joIAostyNTUjCeSrUdKth9jcdlam9X2DziA/DHDFfS5eq4fEv ABEBAAHCwHwEGAEIACYCGwwWIQQt33LlpaVbqJ2qQuHCPZHzoSX+qAUCY00ibgUJDToHvwAK CRDCPZHzoSX+qK6vB/9yyZlsS+ijtsvwYDjGA2WhVhN07Xa5SBBvGCAycyGGzSMkOJcOtUUf tD+ADyrLbLuVSfRN1ke738UojphwkSFj4t9scG5A+U8GgOZtrlYOsY2+cG3R5vjoXUgXMP37 INfWh0KbJodf0G48xouesn08cbfUdlphSMXujCA8y5TcNyRuNv2q5Nizl8sKhUZzh4BascoK DChBuznBsucCTAGrwPgG4/ul6HnWE8DipMKvkV9ob1xJS2W4WJRPp6QdVrBWJ9cCdtpR6GbL iQi22uZXoSPv/0oUrGU+U5X4IvdnvT+8viPzszL5wXswJZfqfy8tmHM85yjObVdIG6AlnrrD In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:v05vsJPjD3HZKUzM5bdZfe5x9bo47gyqDSmdB1C6VYLkyy2ZN4k l+kKF7w4y2t+SRTzUM59xwaLfdA04sBu51We0IlynnloZMWHXNTIhRjieTr2DJAoPrstv3F KjP5JQI5DjMEMdMTubF6zVAQjVKeYYgwD7GArkTg3ezRNjYOBar/+iMu6a7bxuSMP9TMvit 8ns3Yq1hLf7Yy81IgEqSQ== X-Spam-Flag: NO UI-OutboundReport: notjunk:1;M01:P0:aK5TZUO8VQw=;t/2M4pq0GVgZkPRwYEmWYVxH/Zb m7ltuYNQ6T8Ut2E4ugaWZ+uoJ1NudZgaPbCD0G7han8DPvA1KfFLquRoYiF/29sUtMRPPKULj NG/pW7k29MuDXXFLFMBuczveVFtn9cT9u05lRNjDJ3K743Tq6DA8fqlAqs2zWyc8tVjjsZfLH yOqNnDURyCwEOH/8sUTrjOTkURrfH6vlRY+XcuL1VeEl9v+PJP+BYhJ6N5SSpnQvb0IZIC++D O9FNWK0r4Rg4Cb3LTUfiQcRIMKLhwY1YGgy92zo6ENLtHGQr/QrRXQqpx7VpPQt1LbE1WwPm7 PPHQboIvNMD5XasZzAd7AeFnzgsHlmpVItPhQjbUhfKsLuRltZdEN5pKJK9NaP59Z4u0IMa7Q jhMBuX4aCiBpBnp8fvZOtlreacA0j3A67dhap2+ApnrVhcqbD+55X7YHcWEZANH4r2b4Oyf6c 1UzX/QZC/vP2Z6/psqB6wOnD+NhgS4NJGCOhYeFdyeuS1kyF8feObnhq3Z16z/2Pz9beIDROg p2Wm2TOD/ggXMxklpgY2Yo0tsZRemewH/JKLSkcH5RIpRHdhEdJf6tLmEXi/5Cf1LhCiatPDt tULkV6wM+K3/KWiCFyet6kd2vdZT03YAg96KaEjufubdd5ik35q5J6zfjW8on7dNH4hixwcY4 xMkzpFyWIq+HiFIGtjeMToC2J2SpEg/WmR67+1mPqIck4qfGj5+U4AYYkI1rgjib50mt5xuml Ev0MY9s8J2UBRpAHt0REstithtdoTI/TsO7CAeoC1MNIO5yXnUK24pmjKapKqrGI3T0T/TW2V oRYqsF4OgqM7v1vbTjdemfJ3/HHc58Tm5uI3wwL7aXNno= =E5=9C=A8 2024/3/19 11:03, kind.moon1862@fastmail.com =E5=86=99=E9=81=93: > On Mon, Mar 18, 2024, at 17:06, Qu Wenruo wrote: > >> Use "mount -o rescue=3Dall,ro" instead. > > Thank you for your suggestion. Should I run it under CentOS 7 (the orig= inal OS) or under the newer kernel in the SystemRescue distro? Newer kernel please. And still, please run memtest before doing any rescue. As faulty hardware can always lead to weird problems no matter what. And CentOS 7 is not recommended for btrfs usage (no proper btrfs related backport and old kernels, IIRC it's already EOL) Thanks, Qu