From owner-freebsd-stable@freebsd.org Thu May 2 17:18:21 2019 Return-Path: Delivered-To: freebsd-stable@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 35EFC159BBAC for ; Thu, 2 May 2019 17:18:21 +0000 (UTC) (envelope-from njm@njm.me.uk) Received: from smtp002.apm-internet.net (smtp002.apm-internet.net [85.119.248.221]) (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 DFBAF97E4A for ; Thu, 2 May 2019 17:18:19 +0000 (UTC) (envelope-from njm@njm.me.uk) Received: (qmail 32397 invoked from network); 2 May 2019 17:18:17 -0000 X-APM-Authkey: 18389/1(18389/1) 5 Received: from unknown (HELO meld.njm.me.uk) (90.195.126.124) by smtp002.apm-internet.net with SMTP; 2 May 2019 17:18:17 -0000 Received: from triton.njm.me.uk (triton.njm.me.uk [192.168.144.133]) by meld.njm.me.uk (8.15.2/8.15.2) with ESMTP id x42HIGFe000933; Thu, 2 May 2019 18:18:17 +0100 (BST) (envelope-from njm@njm.me.uk) Received: from localhost (localhost [127.0.0.1]) by triton.njm.me.uk (8.15.2/8.15.2) with ESMTP id x42HIGiO088535; Thu, 2 May 2019 18:18:16 +0100 (BST) (envelope-from njm@njm.me.uk) Date: Thu, 02 May 2019 18:18:16 +0100 From: "N.J. Mann" To: Michelle Sullivan cc: freebsd-stable Subject: Re: ZFS... Message-ID: <5D9EAA497C84C50D0DAA5491@triton.njm.me.uk> In-Reply-To: <0D0C3E6C-3ED3-4629-BD26-B4D23ABC3800@sorbs.net> References: <30506b3d-64fb-b327-94ae-d9da522f3a48@sorbs.net> <6D7D690B-31DA-4A86-BB34-64A977B91D4F@sorbs.net> <22E6AED197D46F831645E296@triton.njm.me.uk> <51f1813c-5666-33a4-2155-59ba706a1948@sorbs.net> <0D0C3E6C-3ED3-4629-BD26-B4D23ABC3800@sorbs.net> X-Mailer: Mulberry/4.0.8 (Linux/x86) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline X-Rspamd-Queue-Id: DFBAF97E4A X-Spamd-Bar: ++ Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [2.85 / 15.00]; ARC_NA(0.00)[]; RCVD_COUNT_FIVE(0.00)[5]; FROM_HAS_DN(0.00)[]; NEURAL_SPAM_SHORT(0.83)[0.835,0]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[njm.me.uk]; AUTH_NA(1.00)[]; NEURAL_SPAM_MEDIUM(0.60)[0.600,0]; TO_MATCH_ENVRCPT_SOME(0.00)[]; TO_DN_ALL(0.00)[]; MX_GOOD(-0.01)[cached: b.mx.fluent.ltd.uk]; RCPT_COUNT_TWO(0.00)[2]; NEURAL_SPAM_LONG(0.20)[0.196,0]; SUBJ_ALL_CAPS(0.45)[6]; R_SPF_NA(0.00)[]; RCVD_IN_DNSWL_LOW(-0.10)[221.248.119.85.list.dnswl.org : 127.0.3.1]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:35259, ipnet:85.119.248.0/21, country:GB]; RCVD_TLS_LAST(0.00)[]; IP_SCORE(-0.02)[country: GB(-0.09)]; FROM_EQ_ENVFROM(0.00)[] X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 02 May 2019 17:18:21 -0000 Hi, On Friday, May 03, 2019 03:00:05 +1000 Michelle Sullivan wrote: >>> I am sorry to hear about your loss of data, but where does the 11kV come from? >>> I can understand 415V, i.e. two phases in contact, but the type of overhead >>> lines in the pictures you reference are three phase each typically 240V to >>> neutral and 415V between two phases. >>>=20 >> Bottom lines on the power pole are normal 240/415 .. top lines are the 11KV distribution network. >=20 > Oh and just so you know, it=E2=80=99s sorta impossible to get 415 down a 240v connection No it is not. As I said, if two phases come into contact you can have 415v between live and neutral. Best wishes, Nick. --=20