[linux-lvm] Howto change cachepolicy on cached thinpool devices?

David Teigland teigland at redhat.com
Mon May 15 16:02:05 UTC 2017

On Mon, May 15, 2017 at 03:25:11PM +0200, Oliver Rath wrote:
> Hi list,
> caching the _tdata part of a thinpool works fine now. Unfortunatly with
> lvchange it is not possible to change the policy (vg:dmivg,
> cachepool:dmipool,thinpool:winthinpool):

> # lvchange --cachepolicy cleaner /dev/mapper/dmivg-winthinpool_tdata
>   Operation not permitted on hidden LV dmivg/winthinpool_tdata.

Thanks, this is fixed here

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