From owner-freebsd-fs@FreeBSD.ORG Tue Jan 22 19:28:59 2013 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.FreeBSD.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id 2C543F0B for ; Tue, 22 Jan 2013 19:28:59 +0000 (UTC) (envelope-from utisoft@gmail.com) Received: from mail-ia0-x229.google.com (mail-ia0-x229.google.com [IPv6:2607:f8b0:4001:c02::229]) by mx1.freebsd.org (Postfix) with ESMTP id CB731F4D for ; Tue, 22 Jan 2013 19:28:58 +0000 (UTC) Received: by mail-ia0-f169.google.com with SMTP id j5so3555246iaf.28 for ; Tue, 22 Jan 2013 11:28:58 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:mime-version:sender:in-reply-to:references:from:date :x-google-sender-auth:message-id:subject:to:cc:content-type; bh=5p1wbNocHDaMsXlJBOYl5RA2uJI5n9ywZL5gi9PxlmQ=; b=Lij+6adr/mNbL39NCgxi5FGSx4b2FgjrwosEwWfMGQgtenchm2+TsTtLi8FVHTlMqo 3N5amxMP4SD48+FogdzxiQoYNe5L6bSOnTuYVQ8pYYruLWE1m/nKfy7tKjGZlPx4VnX1 HiUd484eEf51ynQCahLOnzuSzFzN6SIyEpvigDp78/v2FOJTafSKU36vsHq2oH34mfdi 2zt4GYnuDOe7O+eqIPuwxJeY2tZGWKWb8RxvphjaJcjxb8d8QIdz6QWQ/2A6D4zAZw9o 3WoK+bB1Dp30u1uoaCLvSx6mdjRPh+MvcB0GU8amzKqBktmKKiB3FYg5TEl7fXz19YzS tn5w== X-Received: by 10.50.178.10 with SMTP id cu10mr12981271igc.75.1358882938313; Tue, 22 Jan 2013 11:28:58 -0800 (PST) MIME-Version: 1.0 Sender: utisoft@gmail.com Received: by 10.64.16.73 with HTTP; Tue, 22 Jan 2013 11:28:28 -0800 (PST) In-Reply-To: References: <20130122073641.GH30633@server.rulingia.com> <50FE57A9.2040104@platinum.linux.pl> From: Chris Rees Date: Tue, 22 Jan 2013 19:28:28 +0000 X-Google-Sender-Auth: X94CNZ899MeaJ0RLbonCejodMDQ Message-ID: Subject: Re: ZFS regimen: scrub, scrub, scrub and scrub again. To: Zaphod Beeblebrox Content-Type: text/plain; charset=ISO-8859-1 Cc: "freebsd-fs@freebsd.org" X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 22 Jan 2013 19:28:59 -0000 On 22 January 2013 19:01, Zaphod Beeblebrox wrote: > On Tue, Jan 22, 2013 at 4:11 AM, Adam Nowacki wrote: > >> >> This is exactly what happened to me. I had a server connected to a failing >> mains socket. For about a month ZFS reported checksum errors on multiple >> disks, all fixed thanks to raidz2. Socket failed, completely burned off, >> UPS woke me up. Replaced the socket, no checksum errors since then. >> >> This is what was in my wall: http://tepeserwery.pl/DSC_**0178.JPG >> >> > Damn, son. That socket is obviously not rated for whatever you used it > for. I'm not familiar with European sockets, but any time you smell > burning in relation electric stuff --- it's just bad. Here in North > America, many "cheap" wall sockets are really only meant for lamps or TVs > and whatnot. Even cheap contractors put "real" sockets in the kitchen. > Most "decora" style wall switches are only good for 10 or fewer amps ... > not 15 or 20 --- although at least their failure mode is reasonable (they > just stop working). That is a standard European socket, which are normally rated at 13A. Also please remember that we use 230V here, so 10A is a high current for us. Most of our computers have 5A fuses in them (~1.2 kW). In Britain, we have seriously anal standards for electrical equipment mercifully, so there is no such thing here as a 'cheap' socket; all are fine. Not sure if one can say the same for Poland. Chris > I used to be in peer1 (Canada) at our "151 front" (center of Canadian > telecoms). I had been noticing for some time the smell of burnt > electronics coming from their UPS --- so I moved (this UPS unit would be in > the 50 to 100 KVA range). About a year later, it caught fire and had that > colo down for most of the day. I had pointed it out to the people who > worked there --- but they obviously didn't take it seriously enough. > _______________________________________________ > freebsd-fs@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-fs > To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org" >