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In-Reply-To: <20140326161903.GA56292@neutralgood.org>
References: <CALd+dcfCcAg8wbu18dq851Gx=sd5jVfcMd68fmWWF7TkKHbbaw@mail.gmail.com>
 <20140326161903.GA56292@neutralgood.org>
Date: Wed, 26 Mar 2014 13:51:44 -0400
Message-ID: <CALd+dccW49QMVd6PRu9EqE7WCE1DzS=2S1BJg+fiUyADUG88MQ@mail.gmail.com>
Subject: Re: ZFS l2arc stats not updating
From: Vick Khera <vivek@khera.org>
To: kpneal@pobox.com
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On Wed, Mar 26, 2014 at 12:19 PM,  <kpneal@pobox.com> wrote:
> There's some trick I can't remember, but I think the L2ARC is filled from
> data that expires from the main ARC. So if a type of data or metadata never
> goes into the ARC then it never goes into the L2ARC. Don't hold me to that,
> though.

I think this is what is happening. The primary cache seems to be 100%
hit rate and the data set is smaller than the cache....


<time passes>

Yes, I was able to cause L2ARC stats to update once I read/wrote some
big data files. This is all new to me as these are my first machines
with L2ARC on them.

Thanks for responding!