Date: Sat, 10 Dec 2011 23:44:48 +1000 From: Da Rock <freebsd-questions@herveybayaustralia.com.au> To: freebsd-questions@freebsd.org Subject: Re: 9.0 install and journaling Message-ID: <4EE36250.6090503@herveybayaustralia.com.au> In-Reply-To: <20111210122042.2b355bc6@gumby.homeunix.com> References: <4EE32BB6.3020105@herveybayaustralia.com.au> <20111210114053.GA69009@orange.esperance-linux.co.uk> <20111210122042.2b355bc6@gumby.homeunix.com>
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On 12/10/11 22:20, RW wrote: > On Sat, 10 Dec 2011 11:40:53 +0000 > Frank Shute wrote: > >> On Sat, Dec 10, 2011 at 07:51:50PM +1000, R Skinner wrote: >>> possibly could, but it escaped me as to how. And before I do- I >>> looked up journaling on 9. I couldn't quite get to the bottom of >>> whether it is or isn't available/standard, or how to determine its >>> happening. I'm only interested because of unexpected >>> shutdowns/battery dead on the laptop- I also have 500G which is a >>> while to wait for fsck. Speed I'd like, but I have to consider >>> system integrity first. >> I'm unfamiliar with the new bsdinstaller but AFAIK it sets up a UFS2 >> filesystem for you. >> >> This comes with background fsck and softupdates which achieve the >> objective of not having to wait for a lengthy foreground fsck if you >> don't shutdown your laptop cleanly. >> >> >> but to be honest, I wouldn't bother in your position: it's just more >> stuff to go wrong for no appreciable gain to you. > 9.0 also supports soft-update journalling which eliminates the > background fsck. > > If you don't know whether it's on or not you can run > > tunefs -p / > > > If it's not on then tunefs can turn it on, but you will presumably need > to reboot into single user mode. > So how does soft-update journaling compare to gjournal? I'm using gjournal now and it runs a bit of a dog, but it is reliable (until another ufs filesystem turns up at boot) and necessary in my environment. Can I dump it for this new one? Its used on a laptop with heavy load on the disk, the power on the battery can run out too quick for batterymon to shut it down- plus kids that play silly monkeys with daddy's laptop... :)
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