Re: ZFS secondarycache on SSD problem on r255173

From: Justin T. Gibbs <gibbs_at_FreeBSD.org>
Date: Wed, 16 Oct 2013 17:27:11 -0600
I took a quick look at arc.c and see that the trim_map_free() calls don't take into account ashift.  I don't know if that has anything to do with your problem though.  I would expect this would just make the trim less efficient, but I need to dig further.

--
Justin

On Oct 16, 2013, at 4:42 PM, "Justin T. Gibbs" <gibbs_at_freebsd.org> wrote:

> You'll have to be more specific.  I don't have that email or know what list on which to search.
> 
> Thanks,
> Justin
> 
> On Oct 16, 2013, at 2:01 AM, Vitalij Satanivskij <satan_at_ukr.net> wrote:
> 
>> Hello.
>> 
>> Patch brocke cache functionality.
>> 
>> Look at's Dmitriy's mail from  Mon, 07 Oct 2013 21:09:06 +0300
>> 
>> With subject ZFS L2ARC - incorrect size and abnormal system load on r255173
>> 
>> As patch alredy in head and BETA it's not good.
>> 
>> Yesterday we update one machine up to beta1 and forgot about patch. So 12 Hours and cache broken... :((
>> 
>> 
>> 
>> Dmitriy Makarov wrote:
>> DM> The attached patch by Steven Hartland fixes issue for me too. Thank you! 
>> DM> 
>> DM> 
>> DM> --- Исходное сообщение --- 
>> DM> От кого: "Steven Hartland" < killing_at_multiplay.co.uk > 
>> DM> Дата: 18 сентября 2013, 01:53:10 
>> DM> 
>> DM> ----- Original Message ----- 
>> DM> From: "Justin T. Gibbs" < 
>> DM> 
>> DM> --- 
>> DM> Дмитрий Макаров 
>> DM> _______________________________________________
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> 
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Received on Wed Oct 16 2013 - 21:27:19 UTC

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