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aridhol
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PostPosted: Tue Aug 24, 2004 5:58 pm    Post subject: Reply with quote

seringen wrote:
rush_ad wrote:
is there any way to make reiser 3.6 to reiser 4? all my data is on 3.6 which i dont want to loose.


no, you'll have to reformat. luckily i just ran out of room and want to change my partitions anyway! hopefully this will be merged soon into gentoo-dev-sources


Not exacly a Filesystems kind of guy, but isn't this something relevant?
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OmniVector
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PostPosted: Tue Aug 24, 2004 6:23 pm    Post subject: Reply with quote

i was taking a look at the mm4 sources, but all i see in the kernel menu is ReiserFS. i thought it would say something different for reiser3/reiser4. is this in fact reiser4? because i see a reiserfs and reiser4 directory in the kernel's fs/ dir, leading me to believe this is just v3.
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will_in_wi
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PostPosted: Tue Aug 24, 2004 6:47 pm    Post subject: Reply with quote

The last time I converted to a new filesystem, I booted off of the livecd, created a partition the size of the old partition, copied the data from the old partition to the new partition, reformated the old partition, and copied the data back. I know that the last 2 steps are probably unneeded, but anyway . :-) What I want to know is where can I get a livecd that supports the reiser4 filesystem?

[EDIT]: Yay, tux's little helper. 8)
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slano
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PostPosted: Tue Aug 24, 2004 6:57 pm    Post subject: Reply with quote

sure, there's great Reiser4 enabled live cd by Redeeman.
https://forums.gentoo.org/viewtopic.php?t=190442&highlight=reiser4+live+cd
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brettlpb
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PostPosted: Tue Aug 24, 2004 7:45 pm    Post subject: Reply with quote

slano wrote:
sure, there's great Reiser4 enabled live cd by Redeeman.
https://forums.gentoo.org/viewtopic.php?t=190442&highlight=reiser4+live+cd


Wouldn't it be an older version? I mean, it wasn't released (and therefore I assuming, completed) until just recently. I wouldn't want to be using an old Beta version with old bugs in it. I'd want to create and use the partition with the newest patch.
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crash test monkey
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PostPosted: Tue Aug 24, 2004 8:01 pm    Post subject: Reply with quote

https://forums.gentoo.org/viewtopic.php?t=213805&highlight=

redeeman has started making a new one today.
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ed0n
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PostPosted: Tue Aug 24, 2004 8:09 pm    Post subject: Reply with quote

I've been using reiser4 for all of my partitions (exept /boot) since redeemans first r4 livecd. Most of the time it _was_ stable for me, and of course fast.
But there was a time when noone used to patch it for their kernels, and I tried patching myself, had some crushes and stuff like that. I tought getting back to reiser3 but now I am glad I didn't the move.
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OmniVector
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PostPosted: Tue Aug 24, 2004 8:13 pm    Post subject: Reply with quote

can anyone answer my mm-sources/reiser4 question? :(
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OmniVector
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PostPosted: Tue Aug 24, 2004 8:53 pm    Post subject: Reply with quote

gah. well i looked everywhere for the 4k stacks option, and found it nowhere. i finally just thought to grep STACK .config, and commented out the CONFIG_4KSTACKS=y option. *shrug* works great now.
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brettlpb
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PostPosted: Tue Aug 24, 2004 9:09 pm    Post subject: Reply with quote

But if I want to do a new gentoo install, with my first partitons as Reiser4, I need to wait for a 2.6.8.1-mm2(+or higher) LiveCD right?
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pkdawson
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PostPosted: Tue Aug 24, 2004 10:29 pm    Post subject: Reply with quote

OmniVector wrote:
gah. well i looked everywhere for the 4k stacks option, and found it nowhere. i finally just thought to grep STACK .config, and commented out the CONFIG_4KSTACKS=y option. *shrug* works great now.


It's under Kernel Hacking.
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syadnom
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PostPosted: Wed Aug 25, 2004 6:17 am    Post subject: compatible Reply with quote

reiser4 is complatible with all of your software(except fs specific stuff like fsck.ext2 of course)

apache runs great on reiser4, especially when serving up a lot of very small files or using dynamic content and having frequent disk writes of small amounts of data.

--

also, reiser4 is perfect for removable disks because of the atomic writes, so if your external drive loses power in the middle of a copy, no problem, no lost file and no lost data whatsoever(unless the disk actually fails)

--

reiser4 is GOOD

--

for those who are weary of trying reiser4, just make an empty disk image using loopback and format it reiser4, and then mount it and copy your system over if you have the spare space. then add a root=/dev/hdx/pathtoimage/reiser4image.disk to your kernel boot params in grub/lilo, then you can check it out without risking your current system.
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xming
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PostPosted: Wed Aug 25, 2004 11:48 am    Post subject: Reply with quote

I have just convert everyting to reiser4 except /boot (ext2) running with 2.6.8.1-mm4, you will have to disable 4k to see the reiser4 optoin

xming
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syadnom
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PostPosted: Wed Aug 25, 2004 7:01 pm    Post subject: r4 Reply with quote

i'm using reiser4 for / /home /lib /var /tmp /etc /usr, but not /boot

i have noticed a good speed increase in rsyncs, seems a lot of the bottleneck makeing rsyncs slow is not my net connection(3Mbit cable) but I/O speed on my disks. noticed a %25 improvement in time vs reiserfsv3 in rsync as measured buy a wall clock. i haven't just 'time 'd it so i don't have real numbers but the FEEL is better and ultimately that's whats important

also, shaved off about 4 seconds on boot, no a lot but every little bit counts
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spb
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PostPosted: Wed Aug 25, 2004 8:29 pm    Post subject: Re: compatible Reply with quote

syadnom wrote:
reiser4 is complatible with all of your software(except fs specific stuff like fsck.ext2 of course)
Not necessarily. At one point, glibc wouldn't build on a reiser4 partition (gcc bug), and for a long time gstreamer wouldn't work on reiser4. The difference is that you can open *any* file on a reiser4 fs as a directory, and that caused some programs to fail.
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Acoc
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PostPosted: Wed Aug 25, 2004 11:45 pm    Post subject: Reply with quote

thebell wrote:
The difference is that you can open *any* file on a reiser4 fs as a directory


Could you please explain how this works?

John
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syadnom
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PostPosted: Thu Aug 26, 2004 8:16 am    Post subject: here Reply with quote

so you have a text file.

file.txt

well, you do this

cd file.txt/
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Jefklak
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PostPosted: Thu Aug 26, 2004 8:56 am    Post subject: Re: here Reply with quote

syadnom wrote:
so you have a text file.
file.txt
well, you do this
cd file.txt/


WTF?
And then? Can you put a file in that "directory"?
I don't get it :?
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Ari Rahikkala
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PostPosted: Thu Aug 26, 2004 9:03 am    Post subject: Reply with quote

Code:
creideiki lfs # mkdir foo
creideiki lfs # cd foo
creideiki foo # touch bar
creideiki foo # cd bar
-bash: cd: bar: Permission denied
creideiki foo # ls bar/*
ls: bar/*: Permission denied
creideiki foo # chmod +x bar
creideiki foo # ls bar/*
ls: bar/*: No such file or directory
creideiki foo # cd bar
creideiki bar # ls
ls: reading directory .: Not a directory
creideiki bar # touch qux
touch: cannot touch `qux': Not a directory


That's the way it works right now, on my system. Plugins might add a lot of excitement to that, though.
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Jefklak
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PostPosted: Thu Aug 26, 2004 9:07 am    Post subject: Reply with quote

Nice, but what the heck is the point in cding a file if you can't do anything with it?
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spb
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PostPosted: Thu Aug 26, 2004 10:00 am    Post subject: Reply with quote

Code:
cd /bin/ls/metas
ls
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oberyno
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PostPosted: Thu Aug 26, 2004 10:00 am    Post subject: Reply with quote

Afaik, files as directories does nothing at the moment, but in the future it will store metadata(ownership...) for files.

http://www.namesys.com/v4/v4.html#files_dirs
http://www.namesys.com/v4/v4.html#compose_streams

Edit: Thanks thebell.
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tapted
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PostPosted: Thu Aug 26, 2004 1:18 pm    Post subject: gentoo-dev-sources-reiser4 Reply with quote

oh. the thread I just posted in got moved (https://forums.gentoo.org/viewtopic.php?t=214624)

I guess a cut+paste is easiest..

I patched gentoo-dev-sources (2.6.8-r1) and fixed the rejects myself (four of them).... it *appears* to be stable, but I'm only putting /usr/portage /usr/share/docs and /usr/src/linux on there for now (i.e. things that are easily replaced). It's an external USB2.0 drive coz my laptop HD ran out of space.

Looks like I'll be doing it again for -r3 (some fairly major fixes there..)


I might as well say that I'm running with bluez (bluetooth) patches now (although most of the bluez functionality is in vanilla now).

So my kernel is currently a

linux-2.6.8-gentoo-r1-mh1-reiser4

patched up the wazzu.

Had to resolve the reiser4 patch rejects myself though...
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zigmund555
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PostPosted: Thu Aug 26, 2004 3:03 pm    Post subject: Reply with quote

Anyone tried Resier4 on an AMD64?
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nsahoo
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PostPosted: Thu Aug 26, 2004 3:50 pm    Post subject: Reply with quote

you mean I can cd (change directory) in to a file ? 8O :o i don't get it man .. i don't get it ..

i am a little petrified at all this .. !@#$

i won't be more surprised if an elephant emerges right now from the back of my monitor
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