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From: Gionatan Danti <g.danti@assyoma.it>
To: LVM general discussion and development <linux-lvm@redhat.com>
Cc: lampahome <pahome.chen@mirlab.org>
Subject: Re: [linux-lvm] How to repair superblock is corrupt
Date: Thu, 28 May 2020 10:14:19 +0200	[thread overview]
Message-ID: <23204dd6777b6eebd73b7fc6374692ca@assyoma.it> (raw)
In-Reply-To: <CAB3eZfsY6hLzJD_AgP+zMKJm-coM134MehCU9me80ePt05-iRw@mail.gmail.com>

Il 2020-05-28 09:35 lampahome ha scritto:
> I create a vg1 on one SSD and create a lv1 in vg1.
> Then I run:
> sudo thin_check /dev/mapper/vg1-lv1
> 
> It shows:
> examining superblock
>   superblock is corrupt
>     bad checksum in superblock
> 
> Can someone teach me how to fix corrupted superblock?

Hi, thin_check should be run against the metadata device (more 
precisely, against a snapshot of the metadata device).

I suggest you reading thin_check/thin_dump man pages: 
https://www.systutorials.com/docs/linux/man/8-thin_check/

Regards.

-- 
Danti Gionatan
Supporto Tecnico
Assyoma S.r.l. - www.assyoma.it [1]
email: g.danti@assyoma.it - info@assyoma.it
GPG public key ID: FF5F32A8

      reply	other threads:[~2020-05-28  8:14 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-28  7:35 lampahome
2020-05-28  8:14 ` Gionatan Danti [this message]

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