From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mimecast-mx02.redhat.com (mimecast03.extmail.prod.ext.rdu2.redhat.com [10.11.55.19]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 8B139DBB17 for ; Thu, 28 May 2020 07:36:05 +0000 (UTC) Received: from us-smtp-1.mimecast.com (us-smtp-delivery-1.mimecast.com [205.139.110.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 2C5DB801036 for ; Thu, 28 May 2020 07:36:05 +0000 (UTC) Received: by mail-lf1-f49.google.com with SMTP id 82so16003418lfh.2 for ; Thu, 28 May 2020 00:36:01 -0700 (PDT) MIME-Version: 1.0 From: lampahome Date: Thu, 28 May 2020 15:35:46 +0800 Message-ID: Subject: [linux-lvm] How to repair superblock is corrupt Reply-To: LVM general discussion and development List-Id: LVM general discussion and development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , List-Id: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-lvm@redhat.com 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?