From owner-freebsd-bugs@FreeBSD.ORG Tue Jul 19 21:40:08 2011 Return-Path: Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id CF227106564A for ; Tue, 19 Jul 2011 21:40:08 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id 8DCD28FC17 for ; Tue, 19 Jul 2011 21:40:08 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.4/8.14.4) with ESMTP id p6JLe8v0094090 for ; Tue, 19 Jul 2011 21:40:08 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.4/8.14.4/Submit) id p6JLe8bJ094089; Tue, 19 Jul 2011 21:40:08 GMT (envelope-from gnats) Resent-Date: Tue, 19 Jul 2011 21:40:08 GMT Resent-Message-Id: <201107192140.p6JLe8bJ094089@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-bugs@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, "Vladislav V. Prodan" Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 5CE16106566B for ; Tue, 19 Jul 2011 21:35:53 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from red.freebsd.org (red.freebsd.org [IPv6:2001:4f8:fff6::22]) by mx1.freebsd.org (Postfix) with ESMTP id 4CFA18FC1A for ; Tue, 19 Jul 2011 21:35:53 +0000 (UTC) Received: from red.freebsd.org (localhost [127.0.0.1]) by red.freebsd.org (8.14.4/8.14.4) with ESMTP id p6JLZqWr013188 for ; Tue, 19 Jul 2011 21:35:52 GMT (envelope-from nobody@red.freebsd.org) Received: (from nobody@localhost) by red.freebsd.org (8.14.4/8.14.4/Submit) id p6JLZq82013187; Tue, 19 Jul 2011 21:35:52 GMT (envelope-from nobody) Message-Id: <201107192135.p6JLZq82013187@red.freebsd.org> Date: Tue, 19 Jul 2011 21:35:52 GMT From: "Vladislav V. Prodan" To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-3.1 Cc: Subject: misc/159045: ZFS scrub freezes system X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 19 Jul 2011 21:40:08 -0000 >Number: 159045 >Category: misc >Synopsis: ZFS scrub freezes system >Confidential: no >Severity: critical >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Tue Jul 19 21:40:08 UTC 2011 >Closed-Date: >Last-Modified: >Originator: Vladislav V. Prodan >Release: FreeBSD 8.2-STABLE amd64 >Organization: >Environment: FreeBSD mary-teresa.XXXXX.ua 8.2-STABLE FreeBSD 8.2-STABLE #0: Wed Jul 13 02:01:02 EEST 2011 root@mary-teresa.XXXXX.ua:/usr/obj/usr/src/sys/XXXXX.4 amd64 >Description: # zpool list NAME SIZE ALLOC FREE CAP DEDUP HEALTH ALTROOT tank 4,06T 2,82T 1,24T 69% 1.00x DEGRADED - zbackup 464G 181G 283G 39% 1.00x ONLINE - zroot 460G 90,7G 369G 19% 1.06x ONLINE - # zpool upgrade This system is currently running ZFS pool version 28. All pools are formatted using this version. # zfs upgrade This system is currently running ZFS filesystem version 5. All filesystems are formatted with the current version. I ran # zfs scrub zbackup then the system froze. Ping to the server running, but the other services - web, nat, mail - did not respond. After a hard reboot check this pool continued independently: # zpool status zbackup pool: zbackup state: ONLINE scan: scrub in progress since Wed Jul 20 00:14:36 2011 26,9G scanned out of 181G at 1/s, (scan is slow, no estimated time) 0 repaired, 14,82% done config: NAME STATE READ WRITE CKSUM zbackup ONLINE 0 0 0 gpt/disk-backup ONLINE 0 0 0 errors: No known data errors >How-To-Repeat: zfs scrub >Fix: >Release-Note: >Audit-Trail: >Unformatted: