Re: LVM cachepool inconsistency after power event

Krzysztof Chojnowski <[email protected]>
Newsgroups gmane.linux.lvm.general
Message-ID <CAPWGHt2mex=maufprPnq=vqLMMZ6zvFmo7=vSQa=YgPi6ptdUg@mail.gmail.com>
On Mon, Oct 11, 2021 at 6:30 PM Ming Hung Tsai <[email protected]> wrote:
>
> On Mon, Oct 11, 2021 at 8:18 PM Krzysztof Chojnowski
> <[email protected]> wrote:
> > Unfortunately, I don't have clear reproducing steps. As you've guessed
> > correctly - the power event has happened shortly (the same day) after
> > I created the cached volume. IIRC the volume hasn't even been used at
> > all so the cache would be empty.
>
> So the cache is clean without any data written? I thought that there
> was dirty data since you mentioned you've copied data from _corig in
> the first post, so now I just want to confirm my understanding.

The _corig volume has been used without caching for long time.
Recently I started experiment with the caching capability and I used
command similar to following to set it up:
https://wiki.archlinux.org/title/LVM#Create_cache

Regards,
Krzysztof Chojnowski

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