Date: Mon, 11 Aug 2014 18:55:13 +0200 From: Polytropon <freebsd@edvax.de> To: RW <rwmaillists@googlemail.com> Cc: freebsd-questions@freebsd.org Subject: Re: operation not permitted on entropy file Message-ID: <20140811185513.8977b5a9.freebsd@edvax.de> In-Reply-To: <20140811175019.7109d5d2@gumby.homeunix.com> References: <20140810070239.GA80734@home.parts-unknown.org> <20140810103119.GA26958@slackbox.erewhon.home> <20140810124433.da498898.freebsd@edvax.de> <20140810224038.GD24036@home.parts-unknown.org> <20140811101822.41851cc7.freebsd@edvax.de> <20140811142707.GA10186@home.parts-unknown.org> <CA%2BtpaK2RC0w7Y4etxs%2Byx59_gAURNEtB38h=sV8pEFkBRWVFWQ@mail.gmail.com> <20140811171653.b7c60e58.freebsd@edvax.de> <20140811175019.7109d5d2@gumby.homeunix.com>
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On Mon, 11 Aug 2014 17:50:19 +0100, RW wrote: > On Mon, 11 Aug 2014 17:16:53 +0200 > Polytropon wrote: > > > On Mon, 11 Aug 2014 09:52:00 -0500, Adam Vande More wrote: > > > Try fsck'ing a nearly full TB FS on a production box that has had a > > > dirty unmount and you will begin to appreciate the adventure a bit > > > more. > > > > I prefer appreciating my precious data. :-) > > > > No, honestly: On production systems, this might be an issue > > (which should be resolved by appropriate countermeasures, as > > we're probably talking about mission-critical systems), but > > for home systems, it surely isn't that bad. I'm saying this > > from my very individual experience of having fsck work on > > a nearly full 1 TB disk several times a week, in worst cases, > > few times a day. And I don't even care that it takes more > > than 10 minutes, as it makes sure my data is safe. > > It depends on your hardware, it used to take several hours on my last > PC. Admittedly it was testing sequentially with a full fsck (run from a > script that mounts my geli partitions) and it was cpu limited in > geli. With parallel processing enabled in the CPU (multicore and HT), things can go faster. Having SATA also helps. :-) -- Polytropon Magdeburg, Germany Happy FreeBSD user since 4.0 Andra moi ennepe, Mousa, ...
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