Date: Sat, 23 Jun 2012 22:54:51 -0400 From: Jason Hellenthal <jhellenthal@dataix.net> To: Greg Byshenk <freebsd@byshenk.net> Cc: "Leonardo M. Ram?" <martinrame@yahoo.com>, "freebsd-stable@freebsd.org" <freebsd-stable@freebsd.org> Subject: Re: fsck_ufs running too often Message-ID: <20120624025451.GA17721@DataIX.net> In-Reply-To: <20120624013624.GG24842@portland1.byshenk.net> References: <1340401637.32116.YahooMailNeo@web113519.mail.gq1.yahoo.com> <3729A720-2C8F-4C84-B05A-201394C40D63@gothic.net.au> <20120624013624.GG24842@portland1.byshenk.net>
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--EVF5PPMfhYS0aIcm Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Jun 23, 2012 at 06:36:24PM -0700, Greg Byshenk wrote: > On Sat, Jun 23, 2012 at 06:23:58PM +1000, Sean wrote: > > On 23/06/2012, at 7:47 AM, Leonardo M. Ram? wrote: > =20 > > > Hi, since a few of days ago, I noticed my home server turns very > > > slow more than once a day, so every time I run "top" to see what's > > > processes are running, I can see fsck_ufs at the very top, and the > > > hard drive working like mad. > > >=20 > > > I've checked my crontab and there's nothing related to fsck_ufs, > > > where can I start searching for the cause of the problem?, I > > > thought this process should run only at boot or shutdown, but this > > > time it is running -apparently- without a cause. > =20 > > Background fsck. Your server crashed, rebooted, started up and fsck > > is running in the background while everything else continues. > >=20 > > [...] > >=20 > > The more important thing is to find out why it crashed - if there > > was a power outage, hardware or software issue. >=20 > Another thing to do is look in the logs to see if background fsck > is failing for some reason. I've seen it happen in some cases that > background fsck fails and asks for a manual run, in which case the > filesystem remains dirty, and further reboots will continue to fail > until a manual fsck is run. >=20 At one point it was proven that background fsck was not benefitial. I am not sure what ever came out of that but it was advised to turn it off. I usually go with these to aid in something useful for things I do not really care about. You might consider to/not use fsck_y_enable but they help. fsck_y_enable=3D"YES" background_fsck=3D"NO" --=20 - (2^(N-1)) --EVF5PPMfhYS0aIcm Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- iQEcBAEBAgAGBQJP5oF5AAoJEBSh2Dr1DU7WU58H/Aq8DEfJ45W+GOCZeJFO7RKb BMv1z5Rv8Vk0PmwMuqmiJkXmxdlWL7Loe9g1ZJiykdY7mRmkEgq1U6bYyFo4NXus 2S5cX3YDpJhRdOwjECeG1H5bLwcg7cI9RwmhwUSgbyGK21XYcE2Ff/lhA7obf8An Q5BbydFbNvbnQADZklxluhcvuHoT9VUFmChmQipfqjT89sEVWBF0uzTJI/MDoxQF Ch3946d8hfxR4JF6X1GtqW5gbTGiElX/DJHk+igjZxZPbZO3hADPzOOfKiQkS7oT BRSdOHsAoybmgXO7EC+xvZdN0pZ+HB1RYHTV0Xga1bCdHY0RJzdW5NNHnv+w/4Y= =TEX3 -----END PGP SIGNATURE----- --EVF5PPMfhYS0aIcm--
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