From owner-freebsd-questions@freebsd.org Tue Sep 14 22:50:19 2021 Return-Path: Delivered-To: freebsd-questions@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 B616F6728B5 for ; Tue, 14 Sep 2021 22:50:19 +0000 (UTC) (envelope-from support@safeport.com) Received: from freeport.safeport.com (freeport.safeport.com [147.160.157.114]) by mx1.freebsd.org (Postfix) with ESMTP id 4H8JTQ6pDFz4YyX for ; Tue, 14 Sep 2021 22:50:18 +0000 (UTC) (envelope-from support@safeport.com) Received: from bucksport.safeport.com (bucksport.safeport.com [198.74.231.101]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by freeport.safeport.com (Postfix) with ESMTPS id 525621514D7; Tue, 14 Sep 2021 18:42:18 -0400 (EDT) Date: Tue, 14 Sep 2021 18:42:26 -0400 (EDT) From: DTD To: Dan Langille cc: freebsd-questions@FreeBSD.ORG Subject: Re: zfs newbie In-Reply-To: <2b3bd0c8-204d-2f9b-2d63-cca853f5893c@langille.org> Message-ID: References: <2b3bd0c8-204d-2f9b-2d63-cca853f5893c@langille.org> User-Agent: Alpine 2.00 (BSF 1167 2008-08-23) MIME-Version: 1.0 X-Rspamd-Queue-Id: 4H8JTQ6pDFz4YyX X-Spamd-Bar: ++++ Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=fail (mx1.freebsd.org: domain of support@safeport.com does not designate 147.160.157.114 as permitted sender) smtp.mailfrom=support@safeport.com X-Spamd-Result: default: False [4.36 / 15.00]; ARC_NA(0.00)[]; R_SPF_FAIL(1.00)[-all:c]; GREYLIST(0.00)[pass,body]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; NEURAL_HAM_LONG(-0.74)[-0.741]; MIME_GOOD(-0.10)[multipart/mixed,text/plain]; DMARC_NA(0.00)[safeport.com]; NEURAL_SPAM_MEDIUM(0.60)[0.602]; TO_MATCH_ENVRCPT_SOME(0.00)[]; MID_RHS_MATCH_FROMTLD(0.00)[]; VIOLATED_DIRECT_SPF(3.50)[]; CTYPE_MIXED_BOGUS(1.00)[]; RCPT_COUNT_TWO(0.00)[2]; NEURAL_HAM_SHORT(-1.00)[-1.000]; RCVD_NO_TLS_LAST(0.10)[]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+,1:+]; ASN(0.00)[asn:6405, ipnet:147.160.157.0/24, country:US]; RCVD_COUNT_TWO(0.00)[2]; MAILMAN_DEST(0.00)[freebsd-questions] X-Mailman-Approved-At: Wed, 15 Sep 2021 08:08:48 +0000 Content-Type: TEXT/PLAIN; charset=utf-8; format=flowed Content-Transfer-Encoding: 8BIT X-Content-Filtered-By: Mailman/MimeDel 2.1.34 X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 14 Sep 2021 22:50:19 -0000 On Tue, 14 Sep 2021, Dan Langille wrote: > DTD wrote on 9/7/21 5:51 PM: >> Following the default 12.2 zfs install I got one pool (zroot) and a dataset >> for each of the traditional mount points. So zfs list shows: >> >> NAME                 USED  AVAIL  REFER  MOUNTPOINT >> zroot                279G  6.75T    88K  /zroot >> zroot/ROOT          1.74G  6.75T    88K  none >> zroot/ROOT/default  1.74G  6.75T  1.74G  / >> zroot/tmp            176K  6.75T   176K  /tmp >> zroot/usr            277G  6.75T    88K  /usr >> zroot/usr/home       276G  6.75T   276G  /usr/home >> zroot/usr/ports       88K  6.75T    88K  /usr/ports >> zroot/usr/src        670M  6.75T   670M  /usr/src >> zroot/var           47.5M  6.75T    88K  /var >> zroot/var/audit       88K  6.75T    88K  /var/audit >> zroot/var/crash       88K  6.75T    88K  /var/crash >> zroot/var/log        820K  6.75T   820K  /var/log >> zroot/var/mail      46.3M  6.75T  46.3M  /var/mail >> zroot/var/tmp         88K  6.75T    88K  /var/tmp >> >> I had consultant configure another service for us. He set up the disk array >> with one dataset. so zfs list on this system give: >> >> NAME    USED  AVAIL  REFER  MOUNTPOINT >> zroot  2.65G  13.2T  2.62G  legacy >> >> From a sysadmin view I rather like the multiple datasets. Are there >> advantages to one over the other? > > I see no advantages to me in the single dataset. > > What do you see from zpool status? I'm wondering if this is not directly on > hardware, such as a VM under VMware. > Nop, no VM. I have three system that I did a take all options zfs install on. I do not remember which one I posted so here is a matching set: > freebsd-version 12.1-RELEASE-p8 > zfs list NAME USED AVAIL REFER MOUNTPOINT zroot 90.6G 801G 88K /zroot zroot/ROOT 89.9G 801G 88K none zroot/ROOT/default 89.9G 801G 89.9G / zroot/tmp 156K 801G 156K /tmp zroot/usr 723M 801G 88K /usr zroot/usr/home 18.7M 801G 18.7M /usr/home zroot/usr/ports 88K 801G 88K /usr/ports zroot/usr/src 704M 801G 704M /usr/src zroot/var 21.7M 801G 88K /var zroot/var/audit 88K 801G 88K /var/audit zroot/var/crash 88K 801G 88K /var/crash zroot/var/log 21.3M 801G 21.3M /var/log zroot/var/mail 88K 801G 88K /var/mail zroot/var/tmp 88K 801G 88K /var/tmp > zpool status pool: zroot state: ONLINE scan: none requested config: NAME STATE READ WRITE CKSUM zroot ONLINE 0 0 0 mirror-0 ONLINE 0 0 0 ada0p3 ONLINE 0 0 0 ada1p3 ONLINE 0 0 0 errors: No known data errors _____ Douglas Denault http://www.safeport.com support@safeport.com Voice: 301-217-9220 Fax: 301-217-9277 From owner-freebsd-questions@freebsd.org Wed Sep 15 12:23:55 2021 Return-Path: Delivered-To: freebsd-questions@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 9A08967DF71 for ; 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RCPT_COUNT_ONE(0.00)[1]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::42d:from]; RCVD_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[]; MAILMAN_DEST(0.00)[freebsd-questions] Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.34 X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 15 Sep 2021 12:23:55 -0000 Hi all, I am in need of migrating the data in an old SAN Box (hitachi) to a new SAN box ( EMC) . There are LVMs in the old SAN box around 6 TB capacity its AMC is getting over soon, So in need to migrate all the data in the old SAN to New SAN box. What steps do I need to perform in the new SAN box ( its a fresh box no volumes structures created as of now.) 1.What all are the steps on New SAN Box 2. What all are the step on Old SAN box need to perform to copy the data in LVMs ( and my Virtual machines are running live from the old SAN) . so that minimal down time and error free migratin need to assure. 3. As I am going to perform this first time, kindly share your experience so that I can perform it successfully. Kindly guide me Kris