From mboxrd@z Thu Jan 1 00:00:00 1970 From: Reinoud Zandijk Subject: Re: Broken nilfs2 filesystem Date: Thu, 6 Jun 2013 11:20:54 +0200 Message-ID: <20130606092054.GA201@diablo.13thmonkey.org> References: <1369809573.2253.31.camel@slavad-ubuntu> <20130529.233757.27789741.konishi.ryusuke@lab.ntt.co.jp> <1369894385.2255.8.camel@slavad-ubuntu> <20130530.155543.480320022.konishi.ryusuke@lab.ntt.co.jp> <1370501769.2202.36.camel@slavad-ubuntu> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="VS++wcV0S1rZb1Fb" Return-path: Content-Disposition: inline In-Reply-To: <1370501769.2202.36.camel@slavad-ubuntu> Sender: linux-nilfs-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: To: Vyacheslav Dubeyko Cc: linux-nilfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org --VS++wcV0S1rZb1Fb Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hi, just my $0.02 so to say: On Thu, Jun 06, 2013 at 10:56:09AM +0400, Vyacheslav Dubeyko wrote: > First of all, unfortunately, I can't reproduce the issue yet, currently. > I suspect that in this issue the aging state of volume, peculiarity of > workload and environment play very important role. As I remember, all > reporters of likewise symptoms (broken bnode error messages) talked > about several months of successful working of NILFS2 file system. sounds to me as if a b-tree is in a perculiar state and that updating the btree results in this corruption. Have you tried to mount one of the checkpoints/snapshots earlier as RO and see if those are correct? If so, dumping both DATs and both btrees might give a clue as to what went wrong. If only it gives a clue as to how complicated the btree is before the updating and what actions are taken on it. With regards, Reinoud --VS++wcV0S1rZb1Fb Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.13 (NetBSD) iQEcBAEBAgAGBQJRsFR2AAoJEIKcNwBDyKpodxwH/03ar3SNTtAgZT+mOSrYSIxY IRbDNHCIGdyY5uq8ZQTc1pdpSjzJUkzXQb0/sqkOyQ6MXNHvXlyjDsarj0DpwcDq HiRnUx3t7tKqrA5Pb0SpP6L+GuNKisgg/8zzazoFz0DyxHASYT+MF89jW8uWUdNL qw7iKbl95q7+b8/SxdoR9CgY6jB6d5+OailVO9SGPCe16/PY8iC1jUrHfRl/Nuix jlgMbNXHr4Z9AJflOjlZZ9XgIITShOHUUFq35SoTBFuwhHu6/iYjA/u+LwbGIl9T VroGMzf8n79FbYhrDBzgPHRi0y041d6sNywaQ0f2LvIJS75JFp9uYL6+vnGSa7E= =3d9q -----END PGP SIGNATURE----- --VS++wcV0S1rZb1Fb-- -- To unsubscribe from this list: send the line "unsubscribe linux-nilfs" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html