Date: Fri, 25 Mar 2011 16:35:21 +0100 From: Pietro Cerutti <gahr@freebsd.org> To: Julien Laffaye <jlaffaye@freebsd.org> Cc: ports@freebsd.org, Alexander Leidinger <Alexander@leidinger.net>, Baptiste Daroussin <bapt@freebsd.org>, hackers@freebsd.org, current@freebsd.org Subject: Re: [ECFT] pkgng 0.1-alpha1: a replacement for pkg_install Message-ID: <20110325153520.GB23861@gahrfit.gahr.ch> In-Reply-To: <AANLkTimZ5B4bYp1_wNLHbB_jSwcnzKvf7dpO35W1k1%2B2@mail.gmail.com> References: <20110325101111.GA36840@azathoth.lan> <20110325150653.21132ej6abxmjpgk@webmail.leidinger.net> <AANLkTikxi%2BjgnLrFg57o1N-Qzip9juaqXGzK2eYLkpFr@mail.gmail.com> <20110325153814.20287h1594npcu80@webmail.leidinger.net> <AANLkTimZ5B4bYp1_wNLHbB_jSwcnzKvf7dpO35W1k1%2B2@mail.gmail.com>
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--6TrnltStXW4iwmi0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On 2011-Mar-25, 15:03, Julien Laffaye wrote: > >>> What about DB corruption/loss? Do you keep the /var/db/pkg/<package>/= xxx > >>> files even with pkgng and only use the DB as a way to speed up some w= ork > >>> (so > >>> the DB corruption just requires to run pkg2ng), or are you lost of th= e DB > >>> is > >>> lost? > >>> > >> > >> Nothing is done about DB corruption/loss, I am not sure we need to do > >> something. > >> Maybe. > > > > I would say "for sure". Info: In Solaris 10 sqlite is used for the serv= ice > > managenemt framework (SMF). It is possible that the DB is corrupt in so= me > > bad situations. In this case you have to rebuild the DB (script provide= d, > > been there, had to use it). >=20 > If sqlite is properly used with transactions, it is very hard to > corrupt the database. But if hardware lies to us and say that the data > is on disk whereas it isnt... what can we do? > Another potential problem is fsync(), but if it is broken on FreeBSD > we want to fix it! >=20 > BTW, the goal is to only have the database and not the flat files. > If you are paranoid about power outage, use something like zfs snapshots.= =2E. No need to look for strange scenarios, I'm surely going to sudo rm -f the f= ile more sooner than later, so... maybe just save a copy? --=20 Pietro Cerutti The FreeBSD Project gahr@FreeBSD.org PGP Public Key: http://gahr.ch/pgp --6TrnltStXW4iwmi0 Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (FreeBSD) iEYEARECAAYFAk2MtjgACgkQwMJqmJVx945uOwCg3+l6a53XfIhLsR8ylmV5es+N +d0An1d8oFP80eUC0Q4Wz3tUpk4hEOnB =W0Yb -----END PGP SIGNATURE----- --6TrnltStXW4iwmi0--
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