From owner-freebsd-scsi@freebsd.org Fri Jun 5 06:37:44 2020 Return-Path: Delivered-To: freebsd-scsi@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 500343420F6 for ; Fri, 5 Jun 2020 06:37:44 +0000 (UTC) (envelope-from peter.blok@bsd4all.org) Received: from smtpq5.tb.mail.iss.as9143.net (smtpq5.tb.mail.iss.as9143.net [212.54.42.168]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 49dXyH3M4Cz4DHh for ; Fri, 5 Jun 2020 06:37:43 +0000 (UTC) (envelope-from peter.blok@bsd4all.org) Received: from [212.54.42.136] (helo=smtp12.tb.mail.iss.as9143.net) by smtpq5.tb.mail.iss.as9143.net with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jh5z2-0006Vg-PB for freebsd-scsi@freebsd.org; Fri, 05 Jun 2020 08:37:40 +0200 Received: from 94-209-85-88.cable.dynamic.v4.ziggo.nl ([94.209.85.88] helo=wan0.bsd4all.org) by smtp12.tb.mail.iss.as9143.net with esmtp (Exim 4.90_1) (envelope-from ) id 1jh5z2-0007Vz-Ho for freebsd-scsi@freebsd.org; Fri, 05 Jun 2020 08:37:40 +0200 Received: from newnas.bsd4all.local (localhost [127.0.0.1]) by wan0.bsd4all.org (Postfix) with ESMTP id 0F7F828F for ; Fri, 5 Jun 2020 08:37:40 +0200 (CEST) X-Virus-Scanned: amavisd-new at bsd4all.org Received: from wan0.bsd4all.org ([127.0.0.1]) by newnas.bsd4all.local (newnas.bsd4all.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id KnBcQs7_wR-d for ; Fri, 5 Jun 2020 08:37:39 +0200 (CEST) Received: from [192.168.1.65] (unknown [192.168.1.65]) by wan0.bsd4all.org (Postfix) with ESMTPSA id 710E9210 for ; Fri, 5 Jun 2020 08:37:39 +0200 (CEST) From: peter.blok@bsd4all.org Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.80.23.2.2\)) Subject: TRIM on mixed SSD/HHD ZFS pool Message-Id: <2F0DC649-4E6D-4520-8258-A6EE652C2949@bsd4all.org> Date: Fri, 5 Jun 2020 08:37:38 +0200 To: freebsd-scsi@freebsd.org X-Mailer: Apple Mail (2.3608.80.23.2.2) X-SourceIP: 94.209.85.88 X-Ziggo-spambar: / X-Ziggo-spamscore: 0.0 X-Ziggo-spamreport: CMAE Analysis: v=2.3 cv=ALm2FEO8 c=1 sm=1 tr=0 a=LYXyOGYQqFYBMgK+Y6iqTg==:17 a=kj9zAlcOel0A:10 a=nTHF0DUjJn0A:10 a=eMZWCKeqi801j11cGMIA:9 a=CjuIK1q_8ugA:10 X-Ziggo-Spam-Status: No X-Spam-Status: No X-Spam-Flag: No X-Rspamd-Queue-Id: 49dXyH3M4Cz4DHh X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of peter.blok@bsd4all.org designates 212.54.42.168 as permitted sender) smtp.mailfrom=peter.blok@bsd4all.org X-Spamd-Result: default: False [-2.65 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; ARC_NA(0.00)[]; RCVD_COUNT_FIVE(0.00)[6]; RWL_MAILSPIKE_POSSIBLE(0.00)[212.54.42.168:from]; MV_CASE(0.50)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_GOOD(-0.10)[text/plain]; TO_DN_NONE(0.00)[]; PREVIOUSLY_DELIVERED(0.00)[freebsd-scsi@freebsd.org]; RCPT_COUNT_ONE(0.00)[1]; NEURAL_HAM_LONG(-0.99)[-0.989]; RECEIVED_SPAMHAUS_PBL(0.00)[94.209.85.88:received]; DMARC_NA(0.00)[bsd4all.org]; R_SPF_ALLOW(-0.20)[+a:smtp.ziggo.nl/16]; NEURAL_HAM_SHORT(-0.75)[-0.749]; FROM_NO_DN(0.00)[]; NEURAL_HAM_MEDIUM(-1.01)[-1.007]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:33915, ipnet:212.54.32.0/20, country:NL]; RCVD_TLS_LAST(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; RCVD_IN_DNSWL_LOW(-0.10)[212.54.42.168:from] X-BeenThere: freebsd-scsi@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: SCSI subsystem List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 05 Jun 2020 06:37:44 -0000 Hi, I have decided to gradually move over to SSD in my ZFS pool. Anybody = knows if ZFS will issue a TRIM designated for the SSD in this mixed = case, while the HDD do not support this? Peter From owner-freebsd-scsi@freebsd.org Fri Jun 5 09:23:27 2020 Return-Path: Delivered-To: freebsd-scsi@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 5279D3458DF for ; Fri, 5 Jun 2020 09:23:27 +0000 (UTC) (envelope-from riccardo.veraldi@gmail.com) Received: from mail-ej1-x629.google.com (mail-ej1-x629.google.com [IPv6:2a00:1450:4864:20::629]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 49dcdV22Llz4YLf for ; Fri, 5 Jun 2020 09:23:26 +0000 (UTC) (envelope-from riccardo.veraldi@gmail.com) Received: by mail-ej1-x629.google.com with SMTP id k11so9315730ejr.9 for ; Fri, 05 Jun 2020 02:23:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:subject:to:references:autocrypt:message-id:date:user-agent :mime-version:in-reply-to:content-transfer-encoding:content-language; bh=dCmp3DZ/KTZHqE7kcUnWimFfzuEtxd91ZL7hHToYGtY=; b=D56ssSw502bgkIbnicd3EHYYvt2Edmrk8TFSWnGTsevbFsQYL1JtbpFkhMH6ImSbB3 EYKQL0cC9uNj2fTxxPunJybe1cHJeEV4pBqlyXVd1IdgATMIR5h+0xVl3XYvL5IN0vJs BcS/hAxBs7b0aEO/vCmh8v3/hDUVYQZ24S344WlwveAFAehokRcWLfQr51/PV29Tpwov iUjZxBbDpY9qqhLgPMDLOgQYPYoYQzbsDpxImLGG2yejTttui01tZEVfkFhsSOaF2nOw FTGFoB1VRfMEoWZZ+yculherAOooIpHF2gjCLJ+n+BOGnmplrh9+Rv3i/FBqcZ4XWeFc 5vhg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:subject:to:references:autocrypt:message-id :date:user-agent:mime-version:in-reply-to:content-transfer-encoding :content-language; bh=dCmp3DZ/KTZHqE7kcUnWimFfzuEtxd91ZL7hHToYGtY=; b=gs/dwQ0XIkRtutTgPVy5PXYGQCmmaS4uugM/hXv6CYnTh7fWcSmIHc5RLs5TTfQnf6 ZetwzAA5nvsCZsRoSGwle39STn5hngGMzcEhuK6zg+Gn3ICdPjwSCTRRZ6UeZfgavXyJ OzCKCvyIgGc4z7v4jNdOsOlXVVgCiiRoPuiQ15RaUz/exVtYM7xmEj5kSxBPCLWv+XZ0 KW6PTtqm1uyHFZyea94xAw3OCEAIr2nyRKaIucnGXuZQ/oEqF6+58CH1T9G0RZ+B29M5 LSAge2eHWGbsv2ReCOQsZdc7MouZjYedbySCKunah1cF9dBdc8Cmjhcf7Tmu7hxduG09 SN4g== X-Gm-Message-State: AOAM530KS0KPa8BuZADjhkduHDI+hsi/QeqLWmanDrJuEIXWEOAjBWzo PiVR+k1iYC9AvVEWr0OAM4KhAj6u4ms= X-Google-Smtp-Source: ABdhPJxBH1V6G4KXIksqw07ApZOq25qZjA9Jb8zW4Xlrk3kRfUqGv/pM+L/G2gvhs+ovVi0v04pkKA== X-Received: by 2002:a17:906:7c58:: with SMTP id g24mr8245682ejp.205.1591349004232; Fri, 05 Jun 2020 02:23:24 -0700 (PDT) Received: from ercolino-4.local (88-149-152-155.dyn.eolo.it. [88.149.152.155]) by smtp.gmail.com with ESMTPSA id z20sm3868130ejb.68.2020.06.05.02.23.22 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 05 Jun 2020 02:23:23 -0700 (PDT) From: Riccardo Veraldi X-Google-Original-From: Riccardo Veraldi Subject: Re: TRIM on mixed SSD/HHD ZFS pool To: peter.blok@bsd4all.org, freebsd-scsi@freebsd.org References: <2F0DC649-4E6D-4520-8258-A6EE652C2949@bsd4all.org> Autocrypt: addr=Riccardo.Veraldi@gmail.com; prefer-encrypt=mutual; keydata= mQINBFzjvLwBEADOmF2K2Olb9T8T9I3k+xT3ripWI8lZ8wUlAATF8mKO5WmLvLT1Z4DQZ+d6 P1IlvID/nwgEQGYICfRlDVoVR01hA1OsUt4Uzu7zRH7Eeasg199jWz9xSUeC+LTw/wqFb3mU +oYqpthJZO5gICNZ1X5ob6JjmpP4I/6WyZbxiRVFhgLMJvobU8fO9rMYIk1dkEfhYitDC74P BFmLFpA0mx9GZ2ZL7rFszjQ7LiD8fvygUEMeJ3yTCmn2ugQUw2x4yAlZ11Fp9kxsG+m1Apju MziTU8y9DY5OGDRP4cAnNwBVostT604+Uoh9Yss8y+l+oAT08/7XtuWeXoT5vcIvsWsgi92H FZoAppoS+C7ya4ANVPmzWoYXzHhlU/ibuDe2TCRkl3dR1vKk1Z+rQMagU8azJxH9gxs1fQ2E OEwBsE+11ihAGn8HY5O507BBkeOMMT7dkkY+HHRYM6kES9vUT6jKlq+Y8/zxfshOZKswgAhT dDGp8n0WaTGcLt6EW39yHBdmrqnT3fqQZCguLWS2nnY7vUjWqDrpfZaSl87/GYhkZPfkMFUL +ts5tpSX7ELSfP1aLcdw4tdqc+HaiJLo9Af9pt54aKU3gLrzB8nhb3eCK8Pd8DUXxaI27e30 RlKGMRKRYavpED8iHiu417r0THUeKdS/xDNo59WfselAwdRpQQARAQABtDBSaWNjYXJkbyBW ZXJhbGRpIDxSaWNjYXJkby5WZXJhbGRpQGNuYWYuaW5mbi5pdD6JAk4EEwEIADgCGyMFCwkI BwIGFQoJCAsCBBYCAwECHgECF4AWIQS86utP4lpXDcJ3VAQK64vO9D64lAUCXOO9AwAKCRAK 64vO9D64lFhdEACYvzshTipzdi9GR5sH0QuUCMdZxOkIp8UTAAX2f8oho1ThYfl1myF6VWDZ KzbDnYmb8S+MOIi66fE7AeNvnYBQ4uOpMrHdUWJ1weUvDrsXcsSDrtXShhOWdonWGw3jq2qm UXrJXGEZhn7Wf9EaFJQVXETM3nc8VF5MPhMrJwMW3hzxmt4yj/fok5YKip2L2udfNXB341Ed Ax7szNU90642CxTqFRi00/nhJxSngnz1rvsXWDsSgU+5GO61TYV/hkOgC2T9xTZetQ4u9SVY fKDdfup6yp+kN8xoBnZm6RlPiyVi4EHoZx7xqV+xFeXKJna56DHqTYScfDOeSftHXCKBRyoR Nh5md4aAaaT1LU68MTnjypMSS6mPQ3vxnxLuTQHt0l2fgyyAfy15LjMz3hJdsJxs7Zi0A/cn SRFjDdg8VLVl3SFSX+76ProiV/fRNQ6HveISRWcgt7j20eDca8qKtCgdHv6VmSiNfSr/zNiH yeHbIz2MsKe8E7EPIP7dI1sJHrkT7EuG9bIlWHDQ/IEXHb+JNPvr02Iam64NRQPd+fslULh8 Aimj46BOvfWayYRtyCh9b45RPItRwFfqzeT6WVtpPWAr0ahAj2+NKzk3xDvhj7rpZvuN2XrU Acfr3UZCc0OgLqpiyELCufYwq9+ri1iQYawcADr7RQEdDtzRE7kCDQRc47y8ARAAwGpru+f1 fw4GG4u/kTVKdlYc61i0DFGRaYqwDxMqQsawcEPxH8yO+rc1L72/ToSw7VpIlA1Mh/HX31DF ZhJ7N/Ab2S9Wi4je+g9LwIvybhU70t+RQYgGFCPxbA3sfpW0T8IDBJt+A3Aic8aOO7eI5lua UxZ0affgfBgkXpniQTXG/LP2Z0kRrZlrKwLGwcTaFjU+WwaNREIVPA/3MXiGmGNm4P2zzGou 41UV55OamXjRPjn6u42M/FlP/tYW/DvCSm7jVtrdY8dLh2GPKY9RW9Bw54Q9RiSFB+1bXWFp 8jR8vhpev7R9zqvxwyzeqmDP6MSxpMwn69GWKgabqVswHdOsPXIkgxDlosYfIvAisi8O3jPb 3/niXyIcnEd2J8iX1D/c1jB4mrf3FAenz74j1bN1dT2eDturmi6ABGYpuE9tTouKSxVZa29J 9/d5rB/BvvmjCj7A2qrBMSlONKhL3Siq9R5Sv0Ujkh/6Gn1I3c9i68/GD1I/gi8XhrFkg6eY Mg36PK7sFl+X+7eWjYFowjJqD16/uWzSZVanJxpxQTs9bPSkDdQHQXUno3haL/m9A44JCLjc UHzEiJ4GOCqVpRkSM3ZzTgS4tBrWt5afWFOyNHualJFTO14l5YJHTCWpn7J2j2wA3IKmfER3 uhtxbsqoxMYn+1qy/FHbWYPRArkAEQEAAYkCNgQYAQgAIAIbDBYhBLzq60/iWlcNwndUBArr i870PriUBQJc470DAAoJEArri870PriUswgP/j6CYYkGZdVVEkDB47J8iA1GBnypg5bXUoUi H7h3/H1/NVgHhV6z67bD/cgoqwuCikUMQB0sg7EXc3rvARdfQvq9MCaxA/tqpJw7QDaV/bGX HBGq771cv5DNImypnIkwvPhUw583LHJYC5wHWwCFh/Do/+9V5c7cVm2Qh7UlzXQMjuFKYR4e YkGuQYa/JF1e8K7VgaIKrHrflyxVBgnNjUjbfysLVGu9Bojfcw1DLGvYLgHLNgPBAljn89iD X8hD9Q1RdmN/vFjGBudkWSualpKItpsdAYbD2yVeQaUO9DMNE6DLJSxo0EwwrIimiK0HqjQ6 FIa0GWYwXs01d5QEf++nBhmtgxvZ9/i0iURu92L32dyRDeZL6GsVJPsPv310PeHC1NwYzIQR O2wHChG0BqhjtLlIBMECsbzZ9soCJ97+UH+M8V9WRVj4lIzd9lDOtX4q1EfNm/jl9pNveNH3 96Givk0y0aowElUQ6zRNKopWTiAjbZ1KU8F9c5WbvQba2YZcaWJVkugz58ra5xWxBmP066gB ha/E0OTltCRZsFrMyFAM3fjp/J/u2VDC6M+zfVBfqYKQbaq8r+ywQhCzID0pTlHsqQW7TrHP LT1zWgBxJ7GgteauTDLCLkibG3zdvZhkQ8mz4IDZ0LIuW6c9aZ6o171fMirFBVYjEBInCJPG Message-ID: <7a9a0c2b-ef62-a4ad-61f4-f1ba88115f64@gmail.com> Date: Fri, 5 Jun 2020 11:23:21 +0200 User-Agent: mailx MIME-Version: 1.0 In-Reply-To: <2F0DC649-4E6D-4520-8258-A6EE652C2949@bsd4all.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Content-Language: en-US X-Rspamd-Queue-Id: 49dcdV22Llz4YLf X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=D56ssSw5; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of riccardoveraldi@gmail.com designates 2a00:1450:4864:20::629 as permitted sender) smtp.mailfrom=riccardoveraldi@gmail.com X-Spamd-Result: default: False [-4.15 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; XM_UA_NO_VERSION(0.01)[]; R_SPF_ALLOW(-0.20)[+ip6:2a00:1450:4000::/36:c]; FREEMAIL_FROM(0.00)[gmail.com]; TO_DN_NONE(0.00)[]; RCVD_COUNT_THREE(0.00)[3]; DKIM_TRACE(0.00)[gmail.com:+]; RCPT_COUNT_TWO(0.00)[2]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; NEURAL_HAM_SHORT(-1.08)[-1.084]; RECEIVED_SPAMHAUS_PBL(0.00)[88.149.152.155:received]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; FREEMAIL_ENVFROM(0.00)[gmail.com]; MID_RHS_MATCH_FROM(0.00)[]; TAGGED_FROM(0.00)[]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.04)[-1.037]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; FROM_HAS_DN(0.00)[]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; NEURAL_HAM_LONG(-1.04)[-1.039]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-scsi@freebsd.org]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[2a00:1450:4864:20::629:from]; RCVD_TLS_ALL(0.00)[] X-BeenThere: freebsd-scsi@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: SCSI subsystem List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 05 Jun 2020 09:23:27 -0000 you may opt for enterprise level SSD disks. I have been using the 9300 NVMe series  with Lustre/ZFS writing extensive data and I have never needed any trimming on them. They do automatic garbage collection. They are quite expensive piece of hardware though. On 05/06/2020 08:37, peter.blok@bsd4all.org wrote: > Hi, > > I have decided to gradually move over to SSD in my ZFS pool. Anybody knows if ZFS will issue a TRIM designated for the SSD in this mixed case, while the HDD do not support this? > > Peter > > > _______________________________________________ > freebsd-scsi@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-scsi > To unsubscribe, send any mail to "freebsd-scsi-unsubscribe@freebsd.org"