From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from frost.carfax.org.uk ([85.119.82.111]:44358 "EHLO frost.carfax.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753655AbbIVPNb (ORCPT ); Tue, 22 Sep 2015 11:13:31 -0400 Date: Tue, 22 Sep 2015 15:13:30 +0000 From: Hugo Mills To: Holger =?iso-8859-1?Q?Hoffst=E4tte?= Cc: Linux Btrfs Subject: Re: problem with long running btrfs mount operation Message-ID: <20150922151330.GJ5918@carfax.org.uk> References: <20150922133813.GA14395@sfserver> <56015D3F.8020406@googlemail.com> <20150922144312.GB14395@sfserver> <56016C5F.6010406@googlemail.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="6J7GEvtanOfV9oXA" In-Reply-To: <56016C5F.6010406@googlemail.com> Sender: linux-btrfs-owner@vger.kernel.org List-ID: --6J7GEvtanOfV9oXA Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Sep 22, 2015 at 04:57:35PM +0200, Holger Hoffst=E4tte wrote: > On 09/22/15 16:43, S. Fricke wrote: > >> On Tue, Sep 22, 2015 at 9:53 AM, Holger Hoffst=E4tte > >> wrote: > >>> On 09/22/15 15:38, S. Fricke wrote: > >>>> I have a problem with one of my btrfs hdds. If I mount it, it needs = more than > >>>> 135 minutes for this operation. After the mounting it works normaly.= This is > >>>> reproducible only with this hdd. > >>>> > >>>> Maybe someone has a clue what is going wrong here. > >>> > >>> On remount it tries to continue a previously started balance, which f= ails with > >>> an error (as can be seen at the end of your log). You should: > >>> > >>> a) immediately stop what you're doing on that fs and unmount it > >>> b) get btrfs-progs-4.2.1 (not 4.2) and see what it says > >=20 > > What should it say to me? I have to send a command? Should I try to mou= nt the > > device after I have unmount it? BTW: Is btrfs-progs needed for mounting? >=20 > I should have been more clear and say "run btrfs check", which I original= ly > intended to write but then somehow didn't. Sorry. :-) >=20 > btrfs-progs is not needed for mounting, only for administrative commands. Well, technically, it's useful (but not absolutely essential) to have btrfs dev scan for setting up multi-device filesystems before mount. Hugo. --=20 Hugo Mills | What's a Nazg=FBl like you doing in a place like t= his? hugo@... carfax.org.uk | http://carfax.org.uk/ | PGP: E2AB1DE4 | Ill= iad --6J7GEvtanOfV9oXA Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIcBAEBAgAGBQJWAXAZAAoJEFheFHXiqx3kQS8P/jf3e8lhj6OLQ9xSgme3uYr0 WrckOGSJbM/U9deHNd8DNdjbTrGKQP4UORZi/oPa8MNnnOrF+Ig4ZTKjutzgzDNC XW5I6uUmwvmauW7mLnpi8Rht0zU8dZADenkdKxKLlzpIVyeaLDMzrXFCnXZvAdkP xWZr15Woq3XTRpvMbxfQpzPRrJKDOhGVb9HX0u3BXCI1qfwOOjtQZ9ABb7V3iCCr zcof8kHdef4FMdz7JNKv6eSR2G36ZgfGFE4cIwBCrpoDvOqLXXrhSfYbd+B8IXOU DVDSL4HUTbgSu21OObUSjRZe7Q/T6SidceXS7QiAOby794Eb7PatWeRaN329UYFQ 4fdeQ7iPiUTULKmP1nti5pkhnuCks7ukE+cAMURVXeUm5j9fmb7QY4I9r7s5Lkj/ nS/gkQzdbTTV+NlCVPn69mFsG2ImF1L+X/o1bBhuoy1PBqK/sCtxYkqzQgz4ep1W Ke27wtyG3T0Tw9L8Xn/lEsIaM2PVh6DrYYZUgkMHKfcbJ9WWm98RVC3MCDzel0c/ EfOQI0TOmWehkudQs3HT2JDqJAPu4fCtNayqOYUpW/ME1s/nPV3UNSE+ph1lhbAQ ZureeGDGC6ocePB876uf2jsVdnQYRJ5kKeuznNJKpASl8Q8h8u/2H5jvPvRm3gfi SZnm9VafGWBynmaqa7Bw =NiNN -----END PGP SIGNATURE----- --6J7GEvtanOfV9oXA--