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Date: Wed, 22 Apr 2015 11:48:01 +0200
From: Zdenek Kabelac <zkabelac@redhat.com>
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Subject: Re: [linux-lvm] persistent value of tunables for dmsetup
	--target=cache ?
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Dne 21.4.2015 v 10:58 nikhil napsal(a):
> Hello,
>
> how do I ensure that the tunable (for eg. dmsetup message vg02-jetcache_lv 0
> write_promote_adjustment 0) will remain the same value even after reboot?
>
> Seems like the tunables values reset to earlier values upon reboot of the
> machine.
>
> Help! :)


By using them, when you create/load  dm table for your cache target.

Zdenek