Re: ZFS secondarycache on SSD problem on r255173

From: Steven Hartland <killing_at_multiplay.co.uk>
Date: Tue, 17 Sep 2013 23:53:12 +0100
----- Original Message ----- 
From: "Justin T. Gibbs" <gibbs_at_freebsd.org>


> Sorry for being slow to chime in on this thread.  I live in Boulder, CO and we've had a bit of rain. :-)

Hope all is well your side, everyone safe and sound if may be little wetter than usual.

> As Steven pointed out, the warning is benign, but does show that the code I committed to
> -current is not optimizing the allocation size for L2ARC devices.  The fix for this is to find
> the best place during pool creation/load/import to call vdev_ashift_optimize() on L2ARC
> devices.  I will look into this tomorrow, but feel free to suggest a good spot if you look at it
> before I can.

The attached patch fixes this for me, not sure if its ideal place for it and consideration may be
needed in combination with persistent l2arc.

    Regards
    Steve

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Received on Tue Sep 17 2013 - 20:53:18 UTC

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