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From: Krzysztof Chojnowski <>
Subject: Re: [linux-lvm] LVM cachepool inconsistency after power event
Date: Tue, 5 Oct 2021 13:34:15 +0200	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

On Tue, Oct 5, 2021 at 06:35 AM Ming-Hung Tsai <> wrote:
>Could you help run cache_check independently, to see the error messages? Thanks.
># sudo lvchange -ay -f vg0/wdata_cachepool_cpool_cmeta
># sudo cache_check /dev/mapper/vg0-wdata_cachepool_cpool_cmeta
># sudo lvchange -an -f vg0/wdata_cachepool_cpool_cmeta

Thanks for your help, this is what I get:
$ sudo lvchange -ay -f vg0/wdata_cachepool_cpool_cmeta
Do you want to activate component LV in read-only mode? [y/n]: y
  Allowing activation of component LV.
$ sudo cache_check /dev/mapper/vg0-wdata_cachepool_cpool_cmeta
examining superblock
examining mapping array
  missing mappings [1, 0]:
    missing blocks
examining hint array
  missing mappings [1, 0]:
    missing blocks
examining discard bitset
$ echo $?
$ sudo lvchange -an -f vg0/wdata_cachepool_cpool_cmeta
$ sudo lvchange -ay   vg0/tpg1-wdata
  Check of pool vg0/wdata_cachepool_cpool failed (status:1). Manual
repair required!

Krzysztof Chojnowski

linux-lvm mailing list
read the LVM HOW-TO at

  parent reply	other threads:[~2021-10-05 11:35 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-04 13:30 Krzysztof Chojnowski
2021-10-05 10:34 ` Ming-Hung Tsai
2021-10-05 11:34 ` Krzysztof Chojnowski [this message]
2021-10-05 15:51   ` Zdenek Kabelac
2021-10-05 16:56     ` Ming Hung Tsai
2021-10-06  8:27       ` Krzysztof Chojnowski
2021-10-08  7:56         ` Ming Hung Tsai
2021-10-11 12:16           ` Krzysztof Chojnowski
2021-10-11 16:29             ` Ming Hung Tsai
2021-10-11 18:57               ` Krzysztof Chojnowski
2021-10-05 11:13 Krzysztof Chojnowski

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