On Tue, April 21, 2015 2:13 pm, Hugh E Cruickshank wrote: > From: Gordon Messmer Sent: April 21, 2015 10:30 >> >> On 04/21/2015 09:40 AM, Hugh E Cruickshank wrote: >> > I accept that fscks are required on a periodic basis and I >> am willing >> > to reboot more often to achieve these but I would like to minimize >> > downtime (during the reboot) where possible. >> >> Why do you accept that? > > Every article I have read on the subject has recommended this a good > practice. > >> The default behavior for filesystems set up by Red Hat tools >> (anaconda) is not to fsck. Not by mount count, nor by >> time. The default behavior for e2fsprogs was changed to disable >> periodic fsck in Feb 2011. CentOS 6 includes a version of e2fsprogs >> from before that change, but the filesystem is considered >> very stable, >> and the periodic fsck is not generally considered necessary. > > I have confirmed that filesystems setup by anaconda on both CentOS 6 > and RHEL 6 have both boot count and interval disabled however they > are not disabled for any manually created filesystems (they are set > to 24 and 6 months, respectively). > > I find it interesting that as late as 2014 Red Hat is recommending: > > . If automatic filesystem checks are inconvenient, then it is > recommended to disable the automated filesystem check as discussed > in the following article: > > How to turn off forced/automatic fsck in Red Hat Enterprise Linux? > > . Once disabled, it is recommended to schedule regular "human > controlled/monitored" filsystem checks, when it is convenient to > do so. These checks should not be ignored, or scheduled too far > apart. Thus converting "Enterprise" into more or less home user system - for user with plenty of time to spare for manual system maintenance... ;-( Valeri > > This is from https://access.redhat.com/solutions/70531 > > Regards, Hugh > > -- > Hugh E Cruickshank, Forward Software, www.forward-software.com > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos > ++++++++++++++++++++++++++++++++++++++++ Valeri Galtsev Sr System Administrator Department of Astronomy and Astrophysics Kavli Institute for Cosmological Physics University of Chicago Phone: 773-702-4247 ++++++++++++++++++++++++++++++++++++++++