From plug-discuss-bounces@lists.phxlinux.org Sun Sep 23 20:12:39 2018 Return-Path: X-Original-To: lurker@lists.phxlinux.org Delivered-To: lurker@lists.phxlinux.org Received: from phxlinux.org (localhost [127.0.0.1]) by phxlinux.org (Postfix) with ESMTP id 1C28B32A0008; Sun, 23 Sep 2018 20:12:39 -0700 (MST) X-Original-To: plug-discuss@lists.phxlinux.org Delivered-To: plug-discuss@lists.phxlinux.org Received: from mail-yw1-f51.google.com (mail-yw1-f51.google.com [209.85.161.51]) by phxlinux.org (Postfix) with ESMTPS id 7359C32A0007 for ; Sun, 23 Sep 2018 20:12:38 -0700 (MST) Received: by mail-yw1-f51.google.com with SMTP id y76-v6so779619ywd.2 for ; Sun, 23 Sep 2018 20:12:38 -0700 (PDT) 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; bh=xQ6DqIAko5SOL2rXSyAuIepo+X4B6UQYQQ7kDPxZ6tc=; b=TknFTnzEihuCKNhxBpkGYstmHNBAclwN7+MRQsVHq4PYLQJo9kKy1nMi8lNhN2Haqq iP/nbaKzhI7XC8nNcnfpYjWkV4W/uO9f52QIQaGlYnfPN8IqXKBEMe35hqabnRujKYHE mG1+hc7Xfun+3ZRCnvASHEEGTYGCwWgD6lFaBvfXhrR+EuzDPMpohEIyOW+zFza9TM3K wW86Xrn+T8UVIK7P+VuiG08nl0vzI9C5YXh7XpSnLJDWtf8yFipap/rSdINsp7EWyPQo droazv45wbcCsYkTGo+ism9M/Mq/hTIOV9dybL4Z1OaKzx/HRjGd2TZJajBdR4QO1XIl qIBQ== X-Gm-Message-State: APzg51Cbv7UPJ7oXHuQo0m4euCOvh1tp39vITDJ4Sy/RVEcbpbygf30J UklgJQlN1X4wpgPFXvydjoV9E6mqrzFuBGAfOBEzN7Y8 X-Google-Smtp-Source: ANB0VdaUn3trp4jGZcWXgMK7Aymb8MFA01qEO3sqB95szO8SiEZDlAbozFsn47Qpk+9Y5uwYqIpFMmY7RH+oH9n1Xm4= X-Received: by 2002:a81:ae15:: with SMTP id m21-v6mr2348137ywh.139.1537758757714; Sun, 23 Sep 2018 20:12:37 -0700 (PDT) MIME-Version: 1.0 References: <2AHL31kDHKfkvlpatRQqIoFDHVnsAna8faG8NRagdpLa7T2ISJvxDE2DknreVDiFHuseoUSrf5R_jTk5_Tp9E-2iiL8WiAwa9WcP2SBnRV8=@mattcrews.com> In-Reply-To: <2AHL31kDHKfkvlpatRQqIoFDHVnsAna8faG8NRagdpLa7T2ISJvxDE2DknreVDiFHuseoUSrf5R_jTk5_Tp9E-2iiL8WiAwa9WcP2SBnRV8=@mattcrews.com> From: Ed Date: Sun, 23 Sep 2018 20:14:01 -0700 Message-ID: Subject: Re: zfs on linux To: Main PLUG discussion list X-BeenThere: plug-discuss@lists.phxlinux.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Main PLUG discussion list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Main PLUG discussion list Content-Type: multipart/mixed; boundary="===============6115874722489177900==" Errors-To: plug-discuss-bounces@lists.phxlinux.org Sender: "PLUG-discuss" --===============6115874722489177900== Content-Type: multipart/alternative; boundary="0000000000008105330576955c9a" --0000000000008105330576955c9a Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable I think Allan has implemented booting ZFS from a GELI encrypted drive: https://www.bsdcan.org/2016/schedule/attachments/382_BSDCan2016_GELIBoot.pd= f and again http://www.allanjude.com/bsd/AsiaBSDCon2016_geliboot.pdf new and improved - with unattended booting https://archive.fosdem.org/2018/schedule/event/zfs_advanced_integration/ and a howto https://ftfl.ca/blog/2016-09-17-zfs-fde-one-pool-conversion.html this is complicated enough that I would want to get the books before I took on anything this ambitious - please keep us up on how you deploy On Sun, Sep 23, 2018 at 11:35 AM Matthew Crews wrote: > =E2=80=90=E2=80=90=E2=80=90=E2=80=90=E2=80=90=E2=80=90=E2=80=90 Original = Message =E2=80=90=E2=80=90=E2=80=90=E2=80=90=E2=80=90=E2=80=90=E2=80=90 > On Sunday, September 23, 2018 12:20 AM, Stephen Partington < > cryptworks@gmail.com> wrote: > > > My experience with zfs has been for large file servers. Never in a > workstation environment. Really nice once you got used to its nuances. As > it was for filer use I did not care about the ram used. > > As far as RAM usage, ZFS is relatively RAM intense. I would budget about > 1GB ram per 1TB of storage, 1GB per 50GB of L2ARC (if using L2ARC), and 5= GB > per 1TB of storage if you are using deduplication (dedupe is probably not > needed except in specific workloads). For fileservers you definitely WANT > ECC ram, but its not strictly required. > > -Matt > --------------------------------------------------- > PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org > To subscribe, unsubscribe, or to change your mail settings: > http://lists.phxlinux.org/mailman/listinfo/plug-discuss --0000000000008105330576955c9a Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
I think Allan has implemented booting ZFS from a GELI encrypted d= rive:
and again
new and improved = - with unattended booting
and a howto

this is complicated enough that I would w= ant to get the books before I took on anything this ambitious - please keep= us up on how you deploy

On Sun, Sep 23, 2018 at 11:35 AM Matthew = Crews <mailinglists@mattcr= ews.com> wrote:
=E2=80=90=E2= =80=90=E2=80=90=E2=80=90=E2=80=90=E2=80=90=E2=80=90 Original Message =E2=80= =90=E2=80=90=E2=80=90=E2=80=90=E2=80=90=E2=80=90=E2=80=90
On Sunday, September 23, 2018 12:20 AM, Stephen Partington <cryptworks@gmail.com> = wrote:

> My experience with zfs has been for large file servers. Never in a wor= kstation environment. Really nice once you got used to its nuances. As it w= as for filer use I did not care about the ram used.=C2=A0

As far as RAM usage, ZFS is relatively RAM intense. I would budget about 1G= B ram per 1TB of storage, 1GB per 50GB of L2ARC (if using L2ARC), and 5GB p= er 1TB of storage if you are using deduplication (dedupe is probably not ne= eded except in specific workloads). For fileservers you definitely WANT ECC= ram, but its not strictly required.

-Matt
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