not recommended anymore you should run SU+J if your version supports it
On 17 July 2013 00:08, Nikos Vassiliadis <nv...@gmx.com> wrote: > On 07/16/13 21:27, Johan Hendriks wrote: > >> Op dinsdag 16 juli 2013 schreef Charles Swiger (cswi...@mac.com) het >> volgende: >> >> Hi-- >>> >>> On Jul 16, 2013, at 10:33 AM, Johan Hendriks <joh.hendr...@gmail.com<** >>> javascript:;>> >>> wrote: >>> [ ... ] >>> >>>> I would us a zfs for the os. >>>> I have a couple of servers that did not survive a power failure with >>>> gmirror. >>>> The problems i had was when the power failed one disk was in a >>>> rebuilding >>>> state and then when the background fsck started or was busy for some >>>> time >>>> it would crash the whole server. >>>> >>> >>> Well, "don't do that". :-) >>> >> >> >> When the server reboots because of a powerfailure at night, then it boots. >> Then it starts to rebuild the mirror on its own, and later the fsck kicks >> in. >> >> Not much i can do about it. >> > > You could add geom_journal which will minimize the time of fsck to a > second or something like that. Then you don't have to use background fsck > anymore. > > Actually geom_journal's manual page mentions an interesting > side-effect of geom_journal over a geom_mirror: > > you can turn off component synchronization. > > Geom_journal will re-play last writes so whatever was > changed just before the crash will be re-written to both disks. > I haven't used this but it makes sense in theory. > > > Maybe i should have done it without the automatic attachment for a new >> device. >> > > I always turn off automatic synchronization or stale components > as well. > > It seems to me that people don't really use geom_journal > or maybe they just don't talk about it like it's some > sort of secret:) > > just my two cents, > > Nikos > > > ______________________________**_________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/**mailman/listinfo/freebsd-**questions<http://lists.freebsd.org/mailman/listinfo/freebsd-questions> > To unsubscribe, send any mail to "freebsd-questions-** > unsubscr...@freebsd.org <freebsd-questions-unsubscr...@freebsd.org>" > _______________________________________________ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "freebsd-questions-unsubscr...@freebsd.org"
