From owner-freebsd-current@FreeBSD.ORG Tue Apr 27 05:56:46 2010 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id C17AA1065674 for ; Tue, 27 Apr 2010 05:56:46 +0000 (UTC) (envelope-from jroberson@jroberson.net) Received: from mail-pv0-f182.google.com (mail-pv0-f182.google.com [74.125.83.182]) by mx1.freebsd.org (Postfix) with ESMTP id 9D31A8FC13 for ; Tue, 27 Apr 2010 05:56:46 +0000 (UTC) Received: by pvc21 with SMTP id 21so809220pvc.13 for ; Mon, 26 Apr 2010 22:56:41 -0700 (PDT) Received: by 10.141.213.23 with SMTP id p23mr5168649rvq.159.1272347782216; Mon, 26 Apr 2010 22:56:22 -0700 (PDT) Received: from [10.0.1.198] (udp022762uds.hawaiiantel.net [72.234.79.107]) by mx.google.com with ESMTPS id 22sm3713934iwn.8.2010.04.26.22.56.19 (version=SSLv3 cipher=RC4-MD5); Mon, 26 Apr 2010 22:56:21 -0700 (PDT) Date: Mon, 26 Apr 2010 19:56:21 -1000 (HST) From: Jeff Roberson X-X-Sender: jroberson@desktop To: Gary Jennejohn In-Reply-To: <20100425132413.44d66b10@ernst.jennejohn.org> Message-ID: References: <4BD35437.2060208@lissyara.su> <20100425132413.44d66b10@ernst.jennejohn.org> User-Agent: Alpine 2.00 (BSF 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: Alex Keda , freebsd-current@freebsd.org Subject: Re: HEADS UP: SUJ Going in to head today X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 27 Apr 2010 05:56:46 -0000 On Sun, 25 Apr 2010, Gary Jennejohn wrote: > On Sat, 24 Apr 2010 16:57:59 -1000 (HST) > Jeff Roberson wrote: > >> On Sun, 25 Apr 2010, Alex Keda wrote: >> >>> try in single user mode: >>> >>> tunefs -j enable / >>> tunefs: Insuffient free space for the journal >>> tunefs: soft updates journaling can not be enabled >>> >>> tunefs -j enable /dev/ad0s2a >>> tunefs: Insuffient free space for the journal >>> tunefs: soft updates journaling can not be enabled >>> tunefs: /dev/ad0s2a: failed to write superblock >> >> There is a bug that prevents enabling journaling on a mounted filesystem. >> So for now you can't enable it on /. I see that you have a large / volume >> but in general I would also suggest people not enable suj on / anyway as >> it's typically not very large. I only run it on my /usr and /home >> filesystems. >> >> I will send a mail out when I figure out why tunefs can't enable suj on / >> while it is mounted read-only. >> > > Jeff - > One thing which surprised me was that I couldn't reuse the existing > .sujournal files on my disks. I did notice that there are now more > flags set on them. Was that the reason? Or were you just being > careful? There were a few iterations of the code to create and discover the actual journal inode. I may have introduced an incompatibility when making fsck more careful about what it treats as a journal. If it were to attempt to apply changes from a garbage file it could corrupt your filesystem. Thanks, Jeff > > -- > Gary Jennejohn >