Gentoo Archives: gentoo-desktop

From: Mikko Husari <husku@×××××.net>
To: gentoo-desktop@l.g.o
Subject: Re: [gentoo-desktop] disk partitioning
Date: Tue, 06 Feb 2007 18:02:10
Message-Id: 45C8C1DE.80001@husku.net
In Reply to: Re: [gentoo-desktop] disk partitioning by Daniel Gryniewicz
Daniel Gryniewicz wrote:
> On Tue, 2007-02-06 at 09:26 +0200, Mikko Husari wrote: > >> hi! >> >> i was wonderin (also tried my luck on perfomance-gentoo, >> but no one home), what kind of partition + fs table would >> be optimal on server and/or desktop. afaik, /usr/portage >> would be on its own partition, and perhaps reiserfs and raid0. >> distfiles should be on a different partition, so it would >> not be in the way of portage itself... but, what about other >> parts of gentoo/linux. and is journaling filesystem over >> striping raid just asking for trouble? >> >> > > In general, reiserfs is considered dead by the linux kernel guys, and by > it's last remaining maintainer in particular (see > http://linux.wordpress.com/2006/09/27/suse-102-ditching-reiserfs-as-it-default-fs/ for his email...) So, you probably want ext3 at this point. There will be an upgrade path from ext3 to ext4, when ext4 is stable. > > Running a journaled filesystem is completely orthogonal to the > underlying storage. You always want a journal on large filesystems, > because otherwise you will have huge (linear with the size of the > filesystem) fsck times. In addition, a journaled FS is safer than a > non-journaled one, w.r.t. data loss. > > Putting /usr/portage on it's own filesystem shouldn't make a huge > difference in performance, especially if it's on the same spindles as > other filesystems. /usr/portage is a high access file tree, with the > sole exception of syncing. Other than that, it's relatively low access. > Things like "emerge -auvDN world" hit the metadata cache fairly hard, > but that cache is designed to be fairly quick. So, putting /usr/portage > on it's own filesystem will generally only make your system less > flexible (even if you use LVM2, which you *definitely* should do). > > Personally, I run RAID5 on my system, rather than striping. It's almost > as fast as striping on all modern systems, and has the huge advantage of > being able to recover from disk failure (of which I've had 2 on that > system over time). With striping, if a disk goes, you lose everything. > > Personally, my partition table looks like this: > > /boot - 100M (or 100M + 2 * memory, if I use a swapfile) > swap - 2 * memory (if I don't use a swapfile) > / - 10G > /home - The rest > > Except my file server, which has > /home - 10G > /storage - the rest > > I do put PORTAGE_TMPDIR in /home/portage, tho, because that can take > large amounts of disk over time. > > Daniel > >
hmm, im really new to all that lvm stuff but i think i have a general idea about it, does it reduce performance at all? -- gentoo-desktop@g.o mailing list

Replies

Subject Author
Re: [gentoo-desktop] disk partitioning "Boyd Stephen Smith Jr." <bss03@××××××××××.net>