From owner-freebsd-amd64@freebsd.org Sun Oct 30 10:52:46 2016 Return-Path: Delivered-To: freebsd-amd64@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 F07F2C268CA for ; Sun, 30 Oct 2016 10:52:46 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2001:1900:2254:206a::16:76]) (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 E05091D66 for ; Sun, 30 Oct 2016 10:52:46 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from bugs.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id u9UAqk1U014135 for ; Sun, 30 Oct 2016 10:52:46 GMT (envelope-from bugzilla-noreply@freebsd.org) From: bugzilla-noreply@freebsd.org To: freebsd-amd64@FreeBSD.org Subject: [Bug 213915] [zfs] lots of CKSUM errors and sometimes even 'unkown error 122' Date: Sun, 30 Oct 2016 10:52:46 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 10.3-STABLE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: k_georgiev@deltanews.bg X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: freebsd-bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter cc Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-amd64@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Porting FreeBSD to the AMD64 platform List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 30 Oct 2016 10:52:47 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D213915 Bug ID: 213915 Summary: [zfs] lots of CKSUM errors and sometimes even 'unkown error 122' Product: Base System Version: 10.3-STABLE Hardware: amd64 OS: Any Status: New Severity: Affects Some People Priority: --- Component: kern Assignee: freebsd-bugs@FreeBSD.org Reporter: k_georgiev@deltanews.bg CC: freebsd-amd64@FreeBSD.org CC: freebsd-amd64@FreeBSD.org FreeBSD VMWare virtual machine - zpool CKSUM counter keeps growing with over 10K errors per day. Sometimes get permanent damaged files with error 122.=20 Noticed on 3 systems with high I/O load so far. One of them is FreeBSD 10.1, the other 2 are FreeBSD 10.3.=20 Issue is reproduced on both local and iSCSI storage. It also reproduces with disk is attached via RDM (raw device mapping) and even it it's attached via FreeBSD iscsid.=20 Not sure what causes it, because I have no clear log of ZFS CKSUM errors, b= ut it happens only on system with very high disk load. All underlying storage devices I've tried to migrate the VMs on did not report any disk, or network errors.=20 Investigation steps taken are described in this forum thread: https://forums.freebsd.org/threads/58282/ --=20 You are receiving this mail because: You are on the CC list for the bug.=