From owner-freebsd-bugs@freebsd.org Fri Mar 4 20:08:18 2016 Return-Path: Delivered-To: freebsd-bugs@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 EB2639DBDCE for ; Fri, 4 Mar 2016 20:08:18 +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 DB903EB0 for ; Fri, 4 Mar 2016 20:08:18 +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 u24K8IdU087541 for ; Fri, 4 Mar 2016 20:08:18 GMT (envelope-from bugzilla-noreply@freebsd.org) From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 207714] zfs send/receive does not recreate holes correctly Date: Fri, 04 Mar 2016 20:08:19 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 10.2-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: la5lbtyi@aon.at 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 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-bugs@freebsd.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 04 Mar 2016 20:08:19 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D207714 Bug ID: 207714 Summary: zfs send/receive does not recreate holes correctly Product: Base System Version: 10.2-RELEASE Hardware: Any OS: Any Status: New Severity: Affects Some People Priority: --- Component: kern Assignee: freebsd-bugs@FreeBSD.org Reporter: la5lbtyi@aon.at Scenario: - I am using zfs send -I -R ... | zfs receive to create backups of zfs file systems. - The source pool containing these file systems has been created using -o version=3D28. - Compression is enabled on the source file systems. - On the source file system(s), there are large files which contain blocks = of zeros of more than 128k; they have been created using rsync. Either because= of the way rsync operates or because compression is enabled, such files are sparse, i.e., they contain holes which read back as zeros. Result: - After the zfs send/receive operation, such files as described above do *n= ot* compare equal between the source and destination file systems. Expected result: - All files should compare equal. Notes: - This is a known defect, for example discussed here: https://github.com/zfsonlinux/zfs/pull/4369 - Searching the Internet for "zfs send receive holes" gives further information. -- Martin --=20 You are receiving this mail because: You are the assignee for the bug.=