From owner-freebsd-current@freebsd.org Fri Oct 4 19:27:35 2019 Return-Path: Delivered-To: freebsd-current@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 D0CAB136D74 for ; Fri, 4 Oct 2019 19:27:35 +0000 (UTC) (envelope-from wlosh@bsdimp.com) Received: from mail-qk1-x741.google.com (mail-qk1-x741.google.com [IPv6:2607:f8b0:4864:20::741]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) server-signature RSA-PSS (4096 bits) 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 46lKdf6gzJz3FZ0 for ; Fri, 4 Oct 2019 19:27:34 +0000 (UTC) (envelope-from wlosh@bsdimp.com) Received: by mail-qk1-x741.google.com with SMTP id 4so6865166qki.6 for ; Fri, 04 Oct 2019 12:27:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bsdimp-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=gCH/QAoQNLQFkm6XxTiLcoGDg0Ap82vufylRmJ7Lju0=; b=N+cvHij8o4/hWAcRklp5KgsN/FyELZ77lZHdjKiWihZvyWDU9rL3gt9diOAStKMnAJ U9ujgluN0tI3J99lwt9IbOmMaUTmJ1fLR2xkbjLb7FnkYfiUNLSJpXKVLaxm08HOuXzf 3B5xhYfwLfyxesIKe//E+4A1hG+5Bq7DVeME3hQcdMwPrIzD1xCghAWBx2F6bJYrg2Av l/ZdaSVks3AFpbRepbV7ASzeDxcQFYA3wf1O8guUG8CYGJh3CiX2K8KRiTVgl26EqaS8 mjI4y9btpizACvdSyZAZG/twKzSaF0cg3ZwIN/uN149SNt1GmiFtd8QBXDYC5ZXPN2eb WoTA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=gCH/QAoQNLQFkm6XxTiLcoGDg0Ap82vufylRmJ7Lju0=; b=fV5Gk557btRtqSGJe4bMEmjqcz8xMWtfbssZzKe0D8BOSqBWb/Go3QDa96EPlTRpwI E50H30NhkAErm2jOUjFvn6B2EdnnUGEbvwTstJ2xS0sSLxPeL/UVgDbmW0le0ZwiQj60 sWOuD7Swj7JwC0iawNjEvO0eBdRbe0jpjtmwJdR/7HP9Xwq4K/lUa94cl5n69dPYbe5g sJQw6PPBbFm+YfXSEyDBu16kHo5/hilqzgYWUQR2jx/AhdmwW9yfWu0Tsj8gJUH4Xjj6 /pL+vq4lSF3bsJXUlyzXJyljVw6XuFz0xm6xZu47jWQALs9pZpKNtzTcXlO4xx4Pkf/s Tgrw== X-Gm-Message-State: APjAAAX8nf3SwhYspJ7c6n7tuE0aJC7vvbYQz8fEzPG3Kow2513tkADp WZKjz8Vo15cjPFsXIcC8DbQb1Nr7EFpkGmRQxczdwlyv X-Google-Smtp-Source: APXvYqxrigGtZDvvgRWQKxU107mYPYJfx0JY+jhkPEzaKZOMds7g1ZydEwf5T6wqT6KSbZYpU6bqa8yOXoD0yj8oZkg= X-Received: by 2002:a05:620a:12b6:: with SMTP id x22mr11752702qki.495.1570217252409; Fri, 04 Oct 2019 12:27:32 -0700 (PDT) MIME-Version: 1.0 References: <2264fde0-d386-518f-2bdb-2b86afe1faf3@blastwave.org> In-Reply-To: <2264fde0-d386-518f-2bdb-2b86afe1faf3@blastwave.org> From: Warner Losh Date: Fri, 4 Oct 2019 13:27:20 -0600 Message-ID: Subject: Re: ZFS with 32-bit, non-x86 kernel To: Dennis Clarke Cc: FreeBSD Current X-Rspamd-Queue-Id: 46lKdf6gzJz3FZ0 X-Spamd-Bar: - Authentication-Results: mx1.freebsd.org; dkim=pass header.d=bsdimp-com.20150623.gappssmtp.com header.s=20150623 header.b=N+cvHij8; dmarc=none; spf=none (mx1.freebsd.org: domain of wlosh@bsdimp.com has no SPF policy when checking 2607:f8b0:4864:20::741) smtp.mailfrom=wlosh@bsdimp.com X-Spamd-Result: default: False [-1.47 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-0.99)[-0.989,0]; R_DKIM_ALLOW(-0.20)[bsdimp-com.20150623.gappssmtp.com:s=20150623]; FROM_HAS_DN(0.00)[]; NEURAL_HAM_LONG(-1.00)[-0.997,0]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-current@freebsd.org]; DMARC_NA(0.00)[bsdimp.com]; URI_COUNT_ODD(1.00)[3]; TO_MATCH_ENVRCPT_SOME(0.00)[]; TO_DN_ALL(0.00)[]; DKIM_TRACE(0.00)[bsdimp-com.20150623.gappssmtp.com:+]; RCPT_COUNT_TWO(0.00)[2]; RCVD_IN_DNSWL_NONE(0.00)[1.4.7.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.b.8.f.7.0.6.2.list.dnswl.org : 127.0.5.0]; R_SPF_NA(0.00)[]; FORGED_SENDER(0.30)[imp@bsdimp.com,wlosh@bsdimp.com]; MIME_TRACE(0.00)[0:+,1:+,2:~]; IP_SCORE(-0.48)[ip: (2.35), ipnet: 2607:f8b0::/32(-2.56), asn: 15169(-2.16), country: US(-0.05)]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; FROM_NEQ_ENVFROM(0.00)[imp@bsdimp.com,wlosh@bsdimp.com]; RCVD_TLS_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2] Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 04 Oct 2019 19:27:35 -0000 On Fri, Oct 4, 2019, 1:07 PM Dennis Clarke wrote: > On 10/4/19 10:05 AM, Andriy Gapon wrote: > > > > Does anyone use ZFS with a 32-bit kernel, that is also not i386 ? > > If you do, could you please let me know? Along with uname -rmp output. > > Thank you! > > > > I don't know if that has even been attempted by anyone. The ZIL and ZFS > log comonents require substantial amounts of memory and I am not aware > of anyone with arm devices that have 8GB+ of memory. I have had FreeBSD > current on RISC-V running fairly well with ZFS however that was a purely > rv64imafdc architecture. > In the FreeBSD 10 time frame I know people were running ZFS on arm7 boards. Iirc, there was a long list of tweaks needed to size of the ZIL. A quick google didn't find it. Otoh, I looked at ZFS for NanoBSD when it first came out. I gave up because the 256MB boards at the time made any kind of storage traffic ran things out of memory. Warner I will watch this thread with curiosity. > > > -- > Dennis Clarke > RISC-V/SPARC/PPC/ARM/CISC > UNIX and Linux spoken > GreyBeard and suspenders optional > _______________________________________________ > freebsd-current@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" >