From owner-freebsd-questions@freebsd.org Fri Jan 5 09:02:59 2018 Return-Path: Delivered-To: freebsd-questions@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 0EEDDEBE8F7 for ; Fri, 5 Jan 2018 09:02:59 +0000 (UTC) (envelope-from as@it64.ch) Received: from inet.schneider-pc.ch (inet.schneider-pc.ch [176.10.107.100]) by mx1.freebsd.org (Postfix) with ESMTP id 9BEBD7EBDD for ; Fri, 5 Jan 2018 09:02:57 +0000 (UTC) (envelope-from as@it64.ch) Received: from inet.schneider-pc.ch (localhost [127.0.0.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by inet.schneider-pc.ch (Postfix) with ESMTPSA id E9C2D2CEDD60 for ; Fri, 5 Jan 2018 09:57:41 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=inet.schneider-pc.ch; s=201709; t=1515142662; bh=zpZ5YeyKZRXFh1ZdP0JliB7MnLFaPeBDTtOiUAV7hOo=; h=Date:From:To:Subject:Reply-to:From; b=3kwKWs0lyFj/ThNyW5zqmjN+Cn5K0/US2Ebb9NGODa8oLV3dCEwfp2F7fegIhvGoA ee+F9JlyxPXK6t6x18vL02gaKWWAjitJSaZdvG4PaW4VuybCCwp/AxR1BiE3G1Z1QD Vd0JSN0FYh1+aoyGI/aW112QOHeawlcF+nvgkHvnC7S5fXx+bqpqNePFLpzEySKPjp FPNg/CT+Wf1StkWHNhw7jVI2rMUffndB1yFbdhj+i0r6YClykf2JX2LrwraKgBe7sw JI7CGq5m2yJMx88HDtUMRggtMxinwyF9+Ugrt7lqbuAokzY2lJ91WD9/wsU+NNQfG8 av87uqp4n8ogw== Received: from adsl-73-161-fixip.datacomm.ch (adsl-73-161-fixip.datacomm.ch [212.254.73.161]) by sync.jsa.ch (Horde Framework) with HTTPS; Fri, 05 Jan 2018 09:57:41 +0100 Date: Fri, 05 Jan 2018 09:57:41 +0100 Message-ID: <20180105095741.Horde.0RD_XU5kS0EfgsOwQrrpPrS@sync.jsa.ch> From: Andreas Schneider To: freebsd-questions@freebsd.org Subject: Data lost with zfs and bhyve Reply-to: as@it64.ch User-Agent: Horde Application Framework 5 MIME-Version: 1.0 X-MailScanner-Information_it64: Please contact the ISP for more information X-MailScanner-ID: E9C2D2CEDD60.A3911 X-MailScanner_it64: Found to be clean X-MailScanner-SpamCheck_it64: not spam, SpamAssassin (nicht zwischen gespeichert, Wertung=2.203, benoetigt 15, DKIM_SIGNED 0.10, DKIM_VALID -0.10, HELO_DYNAMIC_DHCP 0.84, HTML_MESSAGE 0.00, RCVD_IN_RP_RNBL 1.28, TW_ZF 0.08) X-MailScanner-SpamScore_it64: ss X-MailScanner-Envelope-From: as@it64.ch MailScanner-NULL-Check: 1515747463.87576@brYe53PlnjJArxelU2CiCA Content-Type: text/plain; charset=utf-8; format=flowed; DelSp=Yes Content-Transfer-Encoding: 8bit Content-Disposition: inline Content-Description: Textnachricht X-Content-Filtered-By: Mailman/MimeDel 2.1.25 X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 05 Jan 2018 09:02:59 -0000 yesterday i had a strange data loss here is my configuration Freebsd 11.0p9 bhyve box (i know i should upgrade) 1x Guest with FreeBSD 10.3  file disk image (with ufs inside) 2x Guests with FreeBSD 11.1 zfs filesystems  on the same zpool (mirror) like first Guest 2x Guests with FreeBSD 11.0 zfs filesystems on other zpool other mirror 128 GB RAM ... HDs are SSD Server freezes at 23:00 local time -> no login possible to bhyve box and the first guest... other guests running normal On my fault i had no access to the KVM-Console with ipmi .. so i shtudown per ipmi acpi power key After reboot the data on the first guest was reset to 16:25 local time... (no snapshots after this time) the first guest is a imap server ... i know it was working until 21:30 because a had some mail received between 19:00 to 21:30.. after reboot data is lost up to 16:24 i found the following in messages.log at the bhyve box: Jan  4 16:25:04 hv1 kernel: pid 48842 (zfs), uid 0: exited on signal 6 (core dumped) an now my question ... how can i prevent such a sick behavior?