[dm-devel] dm-cache fs corruption

[Vladimir Smolensky]

Hello Joe,
I can provide you with the setup to test if you want.
Problem is, 3TB cache gets filled very slowly - about 2 weeks.

regards,
Vladimir Smolensky


On Wed, Nov 13, 2013 at 3:10 PM, Joe Thornber <thornber at redhat.com> wrote:

> On Wed, Nov 13, 2013 at 12:24:03PM +0200, Vladimir Smolensky wrote:
> > Hello,
> > I've been testing dm-cache for use with static web content.
> > It appears that, when using big cache ~3TB(+20TB origin dev) dm-cache
> > device corrupts the filesystem after block eviction starts to happen.
> > If I set smaller cache size - single 480GB ssd(again with 20TB origin
> dev),
> > the dm-cache dev works just fine.
>
> Hi Vladmimir,
>
> Sorry you've been having trouble, and thanks for taking the time to
> report.  I'll see if I can scrape together enough disks to reproduce
> the problem, and get back to you.
>
> - Joe
>
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