Date: Sun, 11 Dec 2011 08:09:55 +1000 From: Da Rock <freebsd-questions@herveybayaustralia.com.au> To: freebsd-questions@freebsd.org Subject: Re: 9.0 install and journaling Message-ID: <4EE3D8B3.30308@herveybayaustralia.com.au> In-Reply-To: <4EE3D6DC.8000201@otenet.gr> References: <4EE32BB6.3020105@herveybayaustralia.com.au> <alpine.BSF.2.00.1112100755520.11994@wonkity.com> <4EE38454.3020307@otenet.gr> <4EE3D1F0.60500@herveybayaustralia.com.au> <4EE3D6DC.8000201@otenet.gr>
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On 12/11/11 08:02, Manolis Kiagias wrote: > On 10/12/2011 11:41 μμ, Da Rock wrote: >> On 12/11/11 02:09, Manolis Kiagias wrote: >>> On 10/12/2011 5:19 μμ, Warren Block wrote: >>>> On Sat, 10 Dec 2011, R Skinner wrote: >>>> >>>>> So I went to the handbook. I'm still a little confused though: can >>>>> one still setup the usr and var (and so forth)? It said you >>>>> possibly could, but it escaped me as to how. >>>> >>>> Use the bsdinstall partition editor to manually create the >>>> partitions. I documented how to create an old-fashioned MBR layout >>>> with bsdinstall on the forums a while back: >>>> http://forums.freebsd.org/showpost.php?p=149210&postcount=13 >>>> >>>> The process would be similar for GPT, which is really the way to go >>>> now. >>>> >>> >>> As Warren says, you can still create /usr and /var and all the other >>> "legacy" partitions if you so wish - and you may even use the full >>> journaling (gjournal) on them. >>> But the default for bsdinstall is to use gpart, install everything >>> on a big / and create UFS2 partitions with the new soft-updates >>> journaling system (on by default). Compared to gjournal, >>> soft-updates journaling only journals metadata and not everything >>> like gjournal does. This will definitely make it faster although >>> probably less "safe" than gjournal. It should be good for most >>> purposes though and needs no additional steps after install (unlike >>> gjournal). Since it's the default, the decision to go for one big / >>> seems ok after all. I believe this is more or less what Linux is >>> doing with Ext3/Ext4 filesystems (metadata journaling). >> GPT is cool - no problems there. The main thing I want to know is if >> I need to run fsck every time the system dies unexpectedly (which is >> a higher occurrence on a laptop)? GJournal helps in that it takes >> care of that. The growing size of drives is another concern given the >> time it takes to check a 500G disk (my smallest atm), although this >> is way down on the list for the moment. > > It does the fsck automatically and it seems to be fast. As with other > metadata journaled filesystems you will probably have to do a full > check occasionally. Can't you give you any times atm, I need to dump > /repartition/restore some of my systems to use su+j. Only tested on > virtual machines. I'll have to try it out then; give it a chance. > >> >> As for one big / partition- linux may be using it: and its their >> biggest failing! I've had a system lockup due to lack of space. Never >> a problem with bsd as logs will only fill up var, a user won't break >> it with filling up usr, etc. And root always stays protected! Its >> saved my life a number of times... I can quickly fill TB's of data in >> no time, and if something goes bang the logs can be a silent killer >> too. My 2c's anyway... >> > > I am used to the separate partitions too, although I realize a single > big / would be suitable for more than a few systems. It's nice we have > a choice here. True. But as a new user it was the separate partitions that attracted me, having been burned with linux's megaroot. And a new user would have trouble setting up the partitions. Not to mention the break with tradition (what is happening to this world)! :)
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