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From: Dennis Schridde <devurandom@gmx.net>
To: David Teigland <teigland@redhat.com>
Cc: LVM general discussion and development <linux-lvm@redhat.com>
Subject: Re: [linux-lvm] cache_check --clear-needs-check-flag does not clear needs_check flag?
Date: Wed, 09 Dec 2020 21:15:25 +0100	[thread overview]
Message-ID: <2815973.mvXUDI8C0e@monk> (raw)
In-Reply-To: <20201209193051.GC15208@redhat.com>


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On Mittwoch, 9. Dezember 2020 20:30:51 CET David Teigland wrote:
> On Wed, Dec 09, 2020 at 08:06:41PM +0100, Dennis Schridde wrote:
> > How would you proceed to repair this cache?  I can recreate it as a
> > cachepool, but first I need to gain back access to the data, i.e. get
> > into a state where I can --uncache.
>
> I know that cachevols do not yet work with lvconvert --repair, which uses
> cache_repair, but this must be another case where cache_repair is still
> needed.  If this is writethough mode you should be able to simply drop the
> cache with lvconvert --splitcache and then recreate it.

Would this be safe if cache_dump showed all blocks are clean (dirty=false),
even if the cache was in writeback mode?

--Dennis

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      parent reply	other threads:[~2020-12-09 20:16 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-06 21:01 Dennis Schridde
2020-12-08 22:19 ` Dennis Schridde
2020-12-09 11:05 ` Zdenek Kabelac
2020-12-09 19:06   ` Dennis Schridde
2020-12-09 19:30     ` David Teigland
2020-12-09 19:57       ` Dennis Schridde
2020-12-09 20:45         ` David Teigland
2020-12-09 23:52           ` David Teigland
2020-12-09 20:15       ` Dennis Schridde [this message]

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