From owner-freebsd-questions@freebsd.org Wed Feb 13 17:09:01 2019 Return-Path: Delivered-To: freebsd-questions@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id C007714D1758 for ; Wed, 13 Feb 2019 17:09:01 +0000 (UTC) (envelope-from felix@audiofair.de) Received: from mo6-p00-ob.smtp.rzone.de (mo6-p00-ob.smtp.rzone.de [IPv6:2a01:238:20a:202:5300::10]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "*.smtp.rzone.de", Issuer "TeleSec ServerPass DE-2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id CE90C6BFB5 for ; Wed, 13 Feb 2019 17:08:59 +0000 (UTC) (envelope-from felix@audiofair.de) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; t=1550077736; s=strato-dkim-0002; d=audiofair.de; h=In-Reply-To:Date:Message-ID:From:References:To:Subject: X-RZG-CLASS-ID:X-RZG-AUTH:From:Subject:Sender; bh=zFLPIgvQ2L8nZFH6buZnGiXTl6lMD27/LJ45p+6bodM=; b=tv+a8If1W/XNodeEyAMVMNf3gj4SZHFYRKr8EVDKGXMYSMwwpR+KKKqmurTcq9ywUA SmvVrYaCW9NW+tJ67zDfP82S6Wedxc6k6g5+5R2e37PiPuZhdeYSKFw8t3bZQArJHNDJ uW0rhrd42gDUlchffBpsnh+ThI+Malt5Co6hrsK2VH0RLB1MBQEJSd40AI00h+kehFpM ZDMRe3LxoSGpkKLxhNvIcGw+n+DHEGFS/3Lrzz8GcMdDi9X7iJz1Qon83NuaIIruZA3x KEtN7K9mNFouDKlPFYoKBLYmk7QqSoRaaTiQCYcVVlbOwQI4IGKARZN7LBfJt2r9p3if fUYg== X-RZG-AUTH: ":KmkIfFiIeuobF0ryGDOmdGJTFqaolieRUBb8W7m+IlV8fTgVa1I2NS3vb31Rb3bCdxkNaZtgj5Ci4HqVdISban8URBDRlE8X4l7KhXw=" X-RZG-CLASS-ID: mo00 Received: from [IPv6:2001:16b8:3fb3:100:1ce5:6fd6:4c0a:8f2b] by smtp.strato.de (RZmta 44.9 AUTH) with ESMTPSA id y08824v1DH8uhMs (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (curve secp521r1 with 521 ECDH bits, eq. 15360 bits RSA)) (Client did not present a certificate) for ; Wed, 13 Feb 2019 18:08:56 +0100 (CET) Subject: Re: ZFS and a spare SSD: ZIL or L2ARC? To: freebsd-questions@freebsd.org References: From: Felix Winterhalter Openpgp: preference=signencrypt Autocrypt: addr=felix@audiofair.de; prefer-encrypt=mutual; keydata= mQINBFPBhf8BEADaaXusl2PhKpMtlcIQtmKaKfrhiTgxl1TwIbWrG+wdnnXoXOEUK/3F7dsH iz8GoVi7+HG+EzxaoNUdT97thn6iQ5ZG3W+A+WaJ2iLAgIYegkfYPFIo4AyN+yJfxEpWg+oz 8JnKJm0mfLx5hZoP0NMM1eNpeyTsiLE3aWgt3OZIKaHTacqSYue+3Zmn+7aTlLgo7Ncyihxw 3/J3SUNk0l+nIOIE8xlWD1z7oDUEDE36Ryg2fsI+pbjcWyvPprCNxmbTmM8pF8+2p2QHjS4j cw6BCUaZYDRLMn+vgTdKKdVgvJ+6dS4HbY0GYkpdjlJpAa0IUFeEsb+cAgmLG2B4/ssHOFDR gUMvDLUliXs4s8WNa0TmH1ptp51/C7JcOifxIM1XywN3B08ji6F3FWTAhphaqzgSPe/HhFRl 696M2/uxbYplTkz3P6a+6d2QLZpw4NuerI1cxPnfTJ6pF/8qXUKryWLOSSnhv7TSSqsOoFS7 fFFvqKQBRygXsH49CozvqqAN7TCtGSmuWsxzDFB845lWYei6ZofNKVSU9+cq0DTkWUiE5FvX qTL/IclwGgbGBQ6fwQXi46o9aH8nz/gzghnmqhpKAr3RGfulN9aAyzY3c7quj2DrKKm1zqyo 1DnUkpHvO0U/zRZrv/LTQJrYbfBN40kW5V7TtDUw+2IrHNji3wARAQABtDRGZWxpeCBXaW50 ZXJoYWx0ZXIgKE1hc3RlciBLZXkpIDxmZWxpeEBhdWRpb2ZhaXIuZGU+iQI6BBMBCAAkAhsj BQsJCAcCBhUICQoLAgQWAgMBAh4BAheABQJXaBCOAhkBAAoJEKV+HJKyuyHgbkEP/11bSIgF uhxagTPShF5YI7InE/B1Agx0eLEbtQnvvXo1xAWPdgUpJgdkgdwfJ6WwKVSaFFavTtwPXB4w eMOO/FkX8yNNJk5UA0+Snw/Z+Y+GKeCtYGoLhL5aS1ocE3LbkgIRQg7cpNpwLguDvPRlOBL7 U/qG+IIYJfxa2hgWDljJVI9yFqV7xr3hT7mKgoSB/ahLkRHY73alYoPA+Bl1PHdryyQQYnj3 MNFBqkcOZ/iiMsG8BoqASjxFlPXGqATo8idkKVfR4H1czOp7PssPO+0UvzL2f6+u4jC5umHS WyKhzY8qt3K+kcfshkVrvn+SEBYkeNpwo0rQ8jTB3+lmJMOLxCg4d389GdnEFKI6Tb8zOAx/ KXWKbp0g6md65asR4bO5LZiYHPvuOZJndC6I1ZllDDO7AoWBa8eUKMwG+qyuVsWH4vRMEC52 DVlqJbnYrY4OAtwqJTUdtXijMR0EbSs5qVLvbznXvKGXex9I5Y3CF1vtmF65V5F/Na+h5ATM PftJbn2YNUcapnTqjAyuJT5WLkhrVkiQAHqIgXHUlDe6V6PkuKZJuNBlq9E4mJLPB1MlHjo/ zKI2k38KO3su+TqJk7bfcXMv5ycgh2v/kG6vSJvz7Dkt8Hw7TxFXHffP9qGcq6ZFxsE9Z/se Br42VQ0QspAJXwSEHFjgEIRu96jguQINBFPBhf8BEAC1nlEb/WDC2Uce6F7ywslEKQx/sc1H 4E6VIM1VCUVu0XubLU7gx9W3hjrGKIF2C6RPaitkydKvoTkLEKrZ+OJX76+v5SYL2nmX9ck5 fIs4O3V7KvpkfG0QtxZQi6s9m8osJnr9Wrw4fgopdKpwpAr99TyuNFMj+PSQbSINZ+PhrMXP eDXA24qrnvZW3fYjCd9hgTw4p39YwZIX/l9G3Yb1ii3d3lGR+DoiF5Yedxlm1yVLUKxXhGr1 QjdnG/0cNpOY+TDQjJiRgIM3ea7xio5GaufY91av/3125YDdzAa3Mv3Ah0n1ZWv4BnH37Zs3 hRYQUzHJw0HYb08fWlgt1oaQsmqFGBkHL4fALZlGPeZ0m8RDDBfrvw8mGVl6n1OKl/3wgJk9 N63RWYUSR4UKMOjThk2dkc4t+SsTa0Zi4XDvKoNigjCvDHdNGVSq6qzM7hF+OjjcZzQDUAg/ Dj2TZj9G3vdV62284BcmQMLv9Ntcv1IjtdzkEU+OxMsZU0NyFFplHOdK1p6QvN+LOTTFFVKA YCJE/9GnK78f1lLXBuuks52txTa+MGVg+Laih/mMEDJdL1fBdqRpumuVvJbshpraruluWXs0 dUqFtAqvN4e7ZSb4DWWt+twW/RVUY0UhCjzp3U8ZEO2kp7zRwoLXr+HL7kP4w9iP0YdZtwZn qWo8nwARAQABiQIfBBgBAgAJAhsMBQJUJ8oYAAoJEKV+HJKyuyHgVBcQAKGBoPEu3vVf4doa E3psPFmJhRLHEyK4PjCw/xB+hsM7hI3wsMBNn8ZReHyj3p/pegp609USrJZzhHcGTqBnl2jU MVTxFUV2jm4JPtDrGWXqg38Olp09NkmViQ2k+Tfp3903W6wYnAyZt/poopb+0JmYdEIppYpm z1iGLPuI/n3nXvAIoqpyrNhaqEINMf2s0VPXglhwd9szdazYJT1h3d+6zwX0chsQeGFA7DD7 bnn/mwwLxLzmArnwAvCCDEDVIk79C+0VZLvisQ7iKqCRpeduy4adnmZK4Vul3IWzpY0EHW69 rU8J0gUxzVki3ZgeKDleSC8cV3UEuk01JJugzb+D394Y94Jj0FVObPWB4GT9+0mm2eSX9HBR zzIGfPwytP96vTatVKK+wLffqArEESynPQZDgpjGzaYk+x/j3DBhHkx7aU/YP4dx3EUw6/OE jUvK+F56hVoZrgp/MuJPDUXSOQIYursSmEln5YqC9h/p9XJfC6xAWcl4y2No37PGE26ZdG72 J+6vipXaPeMFiCCvESjoexOh4yJVNAzW3kmXWF62ubVicu22RwzWDLOvnGKua6Soo9uzfVVL 4PA85m2nlZHPZ6mSUV3X7RYBLnsrTmafmEgJsf/VuQrdxjjawTZmJ+D8EZYGZ0JFS2ZgmCZb kqzT3PEsZQLQY5UVj1oZuQENBFdoNwsBCACinxfDXAWpPM/pn80Wc0PIadTZY+hyVvRO82gr uhGLdJ//9bSG+z5clAIkWiGTcU+4Pse0RqKApjqahHW1qxJj5l2YxuE++U/6oz4e+80eialH eUg2s0Y9p2SKDNeUjODI3SSoWaoJEci5KT1+C0SMULzjm2ibBwjXn0WIR9O1ajlpovOM1uwK 9UElWXzyrblFw7G0++rIrRoJQeVg5VKsXrO04bdoqskJRGqNnxB9nDiFlIrKDlV7A9ziVkXh NhWAkYdhgiQvqlikmjtQAkwtPzJg74ZaO1RlF8h4GglxO6SFyf9y02ME861Qiov/ZuVe/xvi /g0w6LnzeZROz0z7ABEBAAGJAh8EGAEIAAkFAldoNwsCGwwACgkQpX4ckrK7IeA5MxAAp50x VVr1+UZSdqj9fWPIAd2i10Ov5OwoXyTQEMIJNw0zar7iXtYQGivF5lOKrAu0ckOQc6Lv7zgC kv+KdpnDwPiqhGe4GkhyWqQm/WuLOgX1/Fuu9jxJeOuHLISqHVVHxFUmHNe9bDgdu0oktUys dKIhPIahdKXZTgFGYq9PCzbfbWSCWdEzdBMs827Ylog6zTdScp+dUqEDiDvRWJ+VOFUWfpNu 2mtactUCts1pgQ4VDAHRzViogChAJKjLCDgk6ZhOVdFBwBKX9eUDpGNJu1XUEKDU37c6xSWS Nl7jyKTCdLio5P8gdOzFvF2opJpX0CdD5puldgQBzfMcMO4imtUfHGZb1Dfm2OCTR+jciXHh zXgxUZxfVsz2/tqUziqRtT9k0hOyMakDcRhJ0BpjUX5zh84A0olsy2jtqzwffsUfjNeSyRmV wO2Ylwk0yzfk6SO/2H02jnnmhCRCsmzn352oXFKvxoxInfq9eSKH/dieg1ihAPlVCtVZwL2M UROM2bPB3wYRckYLvHMrpfQJ+G1KdBn/YlG+JObpJTkDiC3lC0aNotrZ8qazgBRrWrjExTZv VkK4fkUmNa+7ppnz1CnAq5YfMqQzd46xCM93jLJUPrRS/xdO3O3GuiqWwe8rk7z0F/MiahkD znNiCgRK/pYSpz5U92ZHdBBlDzDsxBo= Message-ID: <4105ed7d-145f-f3bf-3de0-89525e8a75e0@audiofair.de> Date: Wed, 13 Feb 2019 18:08:56 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; 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NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.10)[text/plain]; IP_SCORE(-0.87)[ipnet: 2a01:238::/32(-3.65), asn: 6724(-0.69), country: DE(-0.01)]; PREVIOUSLY_DELIVERED(0.00)[freebsd-questions@freebsd.org]; RCPT_COUNT_ONE(0.00)[1]; DMARC_NA(0.00)[audiofair.de]; R_SPF_NA(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[] X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 13 Feb 2019 17:09:02 -0000 Hello Av, if you don't have a second spare SSD I can not recommend using it as ZIL. If your single ZIL disk dies you do lose data. Using it as L2ARC would be safe. Regards, Felix On 13/02/2019 18:02, Andrea Venturoli wrote: > Hello. > > I have a FreeBSD server with a 4TB ZRAID1 and 16GiB RAM; it's also > hosting a Windows 7 with SQL Server through bhyve. > > Now I've just got hold of a spare SSD and, although the box > performance is adequate, I'd like to see if it can boost it. > Should I configure it as L2ARC? ZIL? Both? > > Which will benefit the bhyve VM more? > >  bye & Thanks >     av. > _______________________________________________ > freebsd-questions@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to > "freebsd-questions-unsubscribe@freebsd.org"