From mboxrd@z Thu Jan 1 00:00:00 1970 References: <1973783.dFIIZJkBNM@monk> <2230803.usHgyXdh9J@monk> <2010899.yIpkChuX4T@monk> From: Marian Csontos Message-ID: <184ec98a-a34a-1338-a520-ff7669007e5d@redhat.com> Date: Tue, 5 Jun 2018 10:14:16 +0200 MIME-Version: 1.0 In-Reply-To: <2010899.yIpkChuX4T@monk> Content-Language: en-MW Content-Transfer-Encoding: 7bit Subject: Re: [linux-lvm] Check of pool ernie/cache failed (status:1). Manual repair required! 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"; format="flowed" To: LVM general discussion and development , Dennis Schridde Cc: Zdenek Kabelac On 06/04/2018 01:50 PM, Dennis Schridde wrote: > Hello! > > On Tuesday, 15 May 2018 13:15:55 CEST Zdenek Kabelac wrote: >> To get direct access to metadata - you could use your latest lvm2 2.02.177 >> build (or even 'git master'). In these recent versions there is added >> support to activate directly these 'subLVs'. So with latest lvm2 you can: >> >> lvchange -ay vg/lv_cmeta > > This command was only successful in LVM 2.02.178-rc1, but failed in 2.02.177. > >> and then you can capture content of this LV via 'dd' into file >> and compress and attach 'xz' compressed to BZ. > > I created a report in bugzilla [4], but since the `cache_cmeta` LV appears to > contain parts of my personal files, I cannot attach it. However, I gained It definitely should not. _cdata is where fragments you your data are stored, and _cmeta contains only metadata (e.g. counters and references to cdata.) If there really are fragments of data in _cmeta LV, something must have gone wrong elsewhere. > access to the metadata LV now and would be able to provide you access to > certain specific parts of it, if requested. > > My goal is still to gain access to as much of the data as possible. > > --Dennis > > [4]: https://bugzilla.redhat.com/show_bug.cgi?id=1585670 > > > > _______________________________________________ > linux-lvm mailing list > linux-lvm@redhat.com > https://www.redhat.com/mailman/listinfo/linux-lvm > read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/ >