Gentoo Archives: gentoo-user

From: Michael Crute <mcrute@×××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Which filesystem for a notebook?
Date: Tue, 09 Aug 2005 05:39:29
Message-Id: 558b73fb050808223266fe1120@mail.gmail.com
In Reply to: Re: [gentoo-user] Which filesystem for a notebook? by Richard Fish
1 Personally I would use ext3 and then hdparm to adjust the drive settings so
2 that it spins down faster when there is no activity. That should give you
3 the best of power saving and data reliability.
4
5 -Mike
6
7 On 8/8/05, Richard Fish <bigfish@××××××××××.org> wrote:
8 >
9 > Volker Armin Hemmann wrote:
10 >
11 > >Hi,
12 > >On Monday 08 August 2005 23:40, Alexander Skwar wrote:
13 > >
14 > >
15 > >>Hello!
16 > >>
17 > >>What filesystem(s) do you recommend for use on a notebook?
18 > >>I'm looking for a FS that's fairly stable even if all of a
19 > >>sudden the power goes away (battery empty) and one, that
20 > >>also doesn't (overly) unneccesarily spin up the hard drive.
21 > >>
22 > >>I don't think that I'll use Reiser4, as it's lacking an
23 > >>online fs resizer. At least making the fs bigger should be
24 > >>doable while the FS is mounted.
25 > >>
26 > >>
27 > >
28 > >
29 > >I do not have any direct experience, but from all that I read over the
30 > years I
31 > >came to this:
32 > >
33 > >XFS is very fragile, when the power is failing.
34 > >XFS will replace damaged files with zeros
35 > >
36 > >this is both not acceptable.
37 > >
38 > >Reiser4 is alpha code in motion.
39 > >I would not touch it with a 10 feet pole at the moment.
40 > >
41 > >Well 4 filesystems left ;)
42 > >
43 > >
44 >
45 > In the last year, I have run XFS, reiserfs v3, and ext3 on my laptop. I
46 > mostly agree with you, although XFS doesn't really replace entire files
47 > with zeros, just blocks that have been allocated but not written with
48 > actual data...so /var/log/messages is likely to get some zeros in the
49 > event of a bad crash. Files that were not being written at the time of
50 > the crash are not affected.
51 >
52 > Having run them all, my recommendation (and what I run currently) is
53 > ext3. My soundbite summaries of each are:
54 >
55 > XFS: aggressively caches, so might give you some power
56 > savings...although real-world savings are likely to be slight to none.
57 > Nice features (the only one that offers a free defragmentation utility,
58 > even if it is brain-damaged). Cannot be shrunk, only grown.
59 >
60 > Reiserfs V3: Excellent performance for _some_operations, slower
61 > performance for others. Also can only be grown.
62 >
63 > Ext3: Best journalling options available, including full-data
64 > journalling if you want it and do not mind the slowness. Otherwise good
65 > performance for the opposite operations as reiserfs. Can be grown or
66 > shrunk.
67 >
68 > I do not know of any Linux filesystem that can be resized while still
69 > mounted.
70 >
71 > -Richard
72 >
73 > --
74 > gentoo-user@g.o mailing list
75 >
76 >
77
78
79 --
80 ________________________________
81 Michael E. Crute
82 Software Developer
83 SoftGroup Development Corporation
84
85 "In a world without walls and fences, who needs windows and gates?"