From owner-freebsd-fs@FreeBSD.ORG Sat Sep 27 09:14:14 2014 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 4EB45524 for ; Sat, 27 Sep 2014 09:14:14 +0000 (UTC) Received: from people.fsn.hu (people.fsn.hu [195.228.252.137]) (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits)) (Client CN "people.fsn.hu", Issuer "StartCom Class 1 Primary Intermediate Server CA" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 021E0371 for ; Sat, 27 Sep 2014 09:14:12 +0000 (UTC) Received: by people.fsn.hu (Postfix, from userid 1001) id F290C13E9667; Sat, 27 Sep 2014 11:14:07 +0200 (CEST) X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MF-ACE0E1EA [pR: 9.2334] X-CRM114-CacheID: sfid-20140927_11140_31B99EA4 X-CRM114-Status: Good ( pR: 9.2334 ) X-DSPAM-Result: Whitelisted X-DSPAM-Processed: Sat Sep 27 11:14:07 2014 X-DSPAM-Confidence: 0.9950 X-DSPAM-Probability: 0.0000 X-DSPAM-Signature: 54267fdf659991824840573 X-DSPAM-Factors: 27, From*"Nagy, Attila" , 0.00012, >+Hi, 0.00103, wrote+>, 0.00169, Hi+>, 0.00190, boot, 0.00311, cache, 0.00311, cache, 0.00311, >+>, 0.00406, >+>, 0.00406, Nagy+Attila, 0.00427, Received*(japan.t+online.co.hu, 0.00466, Received*(japan.t, 0.00466, Received*online.co.hu, 0.00466, Received*[195.228.243.99]), 0.00466, Received*online.co.hu+[195.228.243.99]), 0.00466, byte, 0.00569, byte, 0.00569, References*fsn.hu>, 0.00569, In-Reply-To*fsn.hu>, 0.00614, 14+49, 0.00639, wrote, 0.00646, v+>, 0.00730, the+cache, 0.00851, zpool, 0.01000, egrep, 0.01000, >+#, 0.01000, X-Spambayes-Classification: ham; 0.00 Received: from [192.168.0.22] (japan.t-online.co.hu [195.228.243.99]) by people.fsn.hu (Postfix) with ESMTPSA id 1571A13E9658 for ; Sat, 27 Sep 2014 11:14:02 +0200 (CEST) Message-ID: <54267FD3.2080603@fsn.hu> Date: Sat, 27 Sep 2014 11:13:55 +0200 From: "Nagy, Attila" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.1.1 MIME-Version: 1.0 To: freebsd-fs Subject: Re: 16 exabytes of L2ARC? References: <542560C1.9070207@fsn.hu> In-Reply-To: <542560C1.9070207@fsn.hu> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 27 Sep 2014 09:14:14 -0000 On 09/26/14 14:49, Nagy, Attila wrote: > Hi, > > Running stable/10@r271944: > # zpool iostat -v > capacity operations bandwidth > pool alloc free read write read write > ---------- ----- ----- ----- ----- ----- ----- > data 17.3T 40.7T 165 1.24K 1.63M 90.8M > da0 4.31T 10.2T 41 318 418K 22.7M > da1 4.32T 10.2T 41 317 416K 22.7M > da2 4.32T 10.2T 41 317 416K 22.7M > da3 4.31T 10.2T 41 317 418K 22.7M > cache - - - - - - > ada0 513G 16.0E 222 179 1.05M 2.79M > ada1 511G 16.0E 222 180 1.05M 2.80M > ---------- ----- ----- ----- ----- ----- ----- > > # egrep 'ada.*MB' /var/run/dmesg.boot > ada0: 600.000MB/s transfers (SATA 3.x, UDMA5, PIO 512bytes) > ada0: 381554MB (781422768 512 byte sectors: 16H 63S/T 16383C) > ada1: 600.000MB/s transfers (SATA 3.x, UDMA5, PIO 512bytes) > ada1: 381554MB (781422768 512 byte sectors: 16H 63S/T 16383C) I've removed the cache devices and re-added them, now it's fine: cache - - - - - - ada0 355M 372G 24 0 151K 0 ada1 345M 372G 12 505 71.7K 2.79M