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From: Wu Guanghao <wuguanghao3@huawei.com>
To: lvm-devel@redhat.com
Subject: [QUESTION] lvmcache_label_scan: checksum error at offset xxx
Date: Fri, 11 Jun 2021 09:53:27 +0800	[thread overview]
Message-ID: <22d55c34-1b3f-16ec-b30b-8346a5c1646a@huawei.com> (raw)
In-Reply-To: <20210610184415.GA617@redhat.com>

Hi

A high probability is caused by lock-free scanning, because after the command execution fails,
it is normal to execute it manually again. The specific test script is already in
https://bugzilla.redhat.com/show_bug.cgi?id=1970719

Wu Guanghao

? 2021/6/11 2:44, David Teigland ??:
> Hi, I'm not sure if these specific errors would be caused by the lock-less
> label scan.  I would expect lvm to read valid but old metadata (which it
> expects to find on occasion because of the lock-less scan.)  The full
> command debugging along with a dd of the ondisk metadata areas would be
> most helpful.




  reply	other threads:[~2021-06-11  1:53 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-09  9:32 [QUESTION] lvmcache_label_scan: checksum error at offset xxx Wu Guanghao
2021-06-09 11:09 ` Zdenek Kabelac
2021-06-10  9:19   ` Wu Guanghao
2021-06-10  9:53     ` Zdenek Kabelac
2021-06-10 18:44     ` David Teigland
2021-06-11  1:53       ` Wu Guanghao [this message]
2021-06-11 21:50         ` David Teigland

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