From owner-freebsd-fs@FreeBSD.ORG Wed Apr 21 02:20:47 2010 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 9E953106566C for ; Wed, 21 Apr 2010 02:20:47 +0000 (UTC) (envelope-from davidn04@gmail.com) Received: from mail-qy0-f181.google.com (mail-qy0-f181.google.com [209.85.221.181]) by mx1.freebsd.org (Postfix) with ESMTP id 5450B8FC1C for ; Wed, 21 Apr 2010 02:20:47 +0000 (UTC) Received: by qyk11 with SMTP id 11so7464532qyk.13 for ; Tue, 20 Apr 2010 19:20:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:received:message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=h62GaAtFNnV8VCb07inU9XUhuwwhZoCzNIFcMCpLvhU=; b=mo4l/U/F87yGHZfqg7FyjpurOugrt9N22s+B8Y7HltCiQExYV/EoLTzmlsa3H24XbF SXceT9Nx/tPG1UqyQnLGVVoTF0MvhLpuSrTuZbzNmfZLv6hoYaBegTEl3Wuhr8aXZzm3 GlZWqv/chnii5U8OcdZRKgxj2i8XnMwRw9SVs= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=ZF5XWRzlwEpnxQMgr4rUsrIO2OcmcqEh/xLc7wgSJ1EDU0jT2o5bWT1HWDuIfBsQYP 59sDqhZFdAfq1Aq+6Lpjr1EJBiWLlVOV9GLDNpWH97hYOJ5u0alKAYn0lMWviJs+3luf 4aC6LX8+euWo/SpjYbWt7SmqHQlG94/Fq7Rqg= MIME-Version: 1.0 Received: by 10.229.87.142 with HTTP; Tue, 20 Apr 2010 19:20:46 -0700 (PDT) In-Reply-To: <20100421011834.GA24928@duncan.reilly.home> References: <20100418235428.GC4620@duncan.reilly.home> <20100420234447.GB1737@garage.freebsd.pl> <20100421011834.GA24928@duncan.reilly.home> Date: Wed, 21 Apr 2010 12:20:46 +1000 Received: by 10.229.250.211 with SMTP id mp19mr3018959qcb.42.1271816446496; Tue, 20 Apr 2010 19:20:46 -0700 (PDT) Message-ID: From: David N To: Andrew Reilly Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: freebsd-fs@freebsd.org Subject: Re: gjournal: what is it good for? X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 21 Apr 2010 02:20:47 -0000 On 21 April 2010 11:18, Andrew Reilly wrote: > Hi Pawel, > > Thanks for pointing this out! > > On 21/04/2010, at 09:44, Pawel Jakub Dawidek wrote: >> You can still run full fsck on >> gjournaled file system, of course, but in regular use, 'fsck_ffs -p' >> should perform fast fsck. > > I think that's the problem: I had assumed that the journal > replay obviated the need for fsck at all, so when mounting was > refused I went straight to "fsck -y", which does a full-scan and > takes just as long as it used to. =A0Since sending that message > I've been prompted to check the source and now know (!) that I > still need to =A0run fsck -p. =A0I just haven't had any crashes in > the mean-time, to give me an opportunity to try that out. > > If you have any clues about the journal full with dump -L issue, > that'd be greatly appreciated. =A0I'm fairly sure I could generate > a crash if I put the "L" back into my backup scripts... > > Cheers, > > Andrew > _______________________________________________ > freebsd-fs@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-fs > To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org" > Gjournal on my systems are pretty quick on startup after a power outtage. What kind of disks are you using? Or what hardware are you using? Might be the disks are ignoring the BIO_FLUSH. Regards David N