From owner-freebsd-fs@freebsd.org Mon Aug 15 12:11:33 2016 Return-Path: Delivered-To: freebsd-fs@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 950C9BBBD31 for ; Mon, 15 Aug 2016 12:11:33 +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 84C1816BE for ; Mon, 15 Aug 2016 12:11:33 +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 u7FCBXqg048877 for ; Mon, 15 Aug 2016 12:11:33 GMT (envelope-from bugzilla-noreply@freebsd.org) From: bugzilla-noreply@freebsd.org To: freebsd-fs@FreeBSD.org Subject: [Bug 211381] L2ARC degraded, repeatedly, on Samsung SSD 950 Pro nvme Date: Mon, 15 Aug 2016 12:11:33 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 10.3-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: braddeicide@hotmail.com X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: freebsd-fs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: 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-fs@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 15 Aug 2016 12:11:33 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D211381 --- Comment #12 from braddeicide@hotmail.com --- Been running r300039 in previously problematic mismatched sector size configuration for a week, looks good. # geli is 4k, underlying device is 512 diskinfo -v /dev/nvd0p3.eli | grep sectorsize 4096 # sectorsize diskinfo -v /dev/nvd0p3 | grep sectorsize 512 # sectorsize # zfs-stats L2 ARC Summary: (HEALTHY) # Cache is growing pool alloc free read write read write ------------- ----- ----- ----- ----- ----- ----- cache - - - - - - nvd0p3.eli 139G 311G 3 3 40.0K 427K # guess compress_failures weren't a valid indicator kstat.zfs.misc.arcstats.l2_compress_failures: 11644501 kstat.zfs.misc.arcstats.l2_writes_error: 0 --=20 You are receiving this mail because: You are the assignee for the bug.=