Gentoo Archives: gentoo-user

From: Marius Vaitiekunas <mariusvaitiekunas@×××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] migrating disks (from mounts to disklabels
Date: Fri, 19 Nov 2010 10:50:21
Message-Id: AANLkTik_WGs7Y+HzW7C_UxRmSaJUhec4zTPEcCT_75M4@mail.gmail.com
In Reply to: Re: [gentoo-user] migrating disks (from mounts to disklabels by Alan McKinnon
1 Hi,
2 One question about ext4. Is it possible to resize partition without
3 unmounting it like on reiserfs filesystem?
4
5 On Fri, Nov 19, 2010 at 11:04 AM, Alan McKinnon <alan.mckinnon@×××××.com>wrote:
6
7 > Apparently, though unproven, at 03:44 on Friday 19 November 2010, Walter
8 > Dnes
9 > did opine thusly:
10 >
11 > > On Wed, Nov 17, 2010 at 10:20:52PM -0600, Dale wrote
12 > >
13 > > > This is mine and it worked when I rebooted a bit ago.
14 > > >
15 > > > LABEL=boot /boot ext2 noatime 1 2
16 > > > LABEL=root / reiserfs defaults 0 1
17 > > > LABEL=swap none swap sw 0 0
18 > > > LABEL=portage /usr/portage ext3 defaults 0 1
19 > > > LABEL=home /home reiserfs defaults 1 1
20 > > > LABEL=data /data reiserfs defaults 0 1
21 > > >
22 > > > I use a variety of file systems don't I? lol I hope that helps.
23 > >
24 > > I have my own weird setup that optimizes disk usage, without LVM. It
25 > > consists of a 256 *MEGA*byte / partition (ext2fs), some swap, and the
26 > > rest of the drive is one big reiserfs3 partition mounted as /home.
27 > > /opt, /var, /usr/, and /tmp physically reside on the big /home
28 > > partition, but are bindmounted into the / partition.
29 > >
30 > > Device Boot Start End Blocks Id System
31 > > /dev/sda1 1 121601 976760001 5 Extended
32 > > /dev/sda5 1 33 265009+ 83 Linux
33 > > /dev/sda6 34 1209 9446188+ 82 Linux swap /
34 > > Solaris /dev/sda7 1210 121601 967048708+ 83 Linux
35 > >
36 > > /dev/sda5 / ext2 noatime,nodiratime,async
37 > > 0 1 /dev/sda7 /home reiserfs
38 > > noatime,nodiratime,async,notail 0 1 /home/bindmounts/opt /opt
39 > auto
40 > > bind 0 0 /home/bindmounts/var /var
41 > > auto bind 0 0 /home/bindmounts/usr /usr
42 > > auto bind 0 0 /home/bindmounts/tmp
43 > > /tmp auto bind 0 0 /dev/sda6
44 > > none swap sw 0 0
45 >
46 >
47 > Let me optimize that for you a little bit more:
48 >
49 > A single 1T reiser3 partition mounted at /
50 >
51 > This will optimize away the small performance loss introduced by that
52 > (empty)
53 > / on ext2
54 >
55 > Seriously dude, this looks like a dumb scheme that gives you warm and
56 > fuzzies
57 > but doesn't actually accomplish anything except increased complexity.
58 >
59 > Feel free to publish verifiable metrics to back up your case.
60 >
61 >
62 > --
63 > alan dot mckinnon at gmail dot com
64 >
65 >
66
67
68 --
69 mv

Replies

Subject Author
Re: [gentoo-user] migrating disks (from mounts to disklabels Alan McKinnon <alan.mckinnon@×××××.com>