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Gentree
Watchman
Joined: 01 Jul 2003
Posts: 5350
Location: France, Old Europe
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 Posted: Sun May 20, 2007 8:47 pm Post subject: |
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hi, this has been tempting me for a while. What are you calling "old" cpu here. I have Barton core XP clocking at 2.4GHz , is that likely to be upto the job?
@vipers , I've been using 2.6.20-nicus1 for a while which has been very reliable. Many thx. Which of your offerings would you recommend to test compression?
TIA. 
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Linux, because I'd rather own a free OS than steal one that's not worth paying for.
Gentoo because I'm a masochist
AthlonXP-M on A7N8X. Portage ~x86 |
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devsk
Advocate
Joined: 24 Oct 2003
Posts: 3003
Location: Bay Area, CA
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| Posted: Mon May 21, 2007 6:07 pm Post subject: |
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| Gentree wrote: | hi, this has been tempting me for a while. What are you calling "old" cpu here. I have Barton core XP clocking at 2.4GHz , is that likely to be upto the job?
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that's old... well, not really. I think you should be fine. Don't use compression plugin with vmware. I found too many problems with the compression plugin, with processes going into 'D' state and system requiring reboot. |
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enderandrew
l33t
Joined: 25 Oct 2005
Posts: 731
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| Posted: Mon Sep 17, 2007 8:14 pm Post subject: |
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I'm swearing off ext4 and I've been considering giving JFS a try, or going back to Reiser4.
http://linuxhelp.150m.com/resources/fs-benchmarks.htm
I know for a while the Reiser4 crowd has been saying, just wait until we get the compression code in.
The above site has REALLY impressive numbers (if you can trust them). The site also throws in a political jab about Hans that I'm ignoring, but if I could have a reasonably fast FS that did transparent compression, that would be amazing. My main concern is that it will be very CPU intensive.
My next concern is if I wipe my root system (already corrupted by ext4 anyway) and do a fresh new install, then I need a 64-bit live CD/DVD with a recent enough kernel to create Reiser4 with compression.
Anyone know of one, or a quick/easy way to make a live CD myself?
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kernelOfTruth
Watchman
Joined: 20 Dec 2005
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Location: Vienna, Austria; Germany; hello world :)
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Mantaar
Apprentice
Joined: 17 May 2007
Posts: 219
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| Posted: Tue Sep 18, 2007 1:43 am Post subject: |
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The one time I had reiser4 on my system I went through a complicated bootstrapping procedure that involved installing a base system on one partition that was to become swap and then compiling a patched kernel from there.
Not that complicated actually, if you know what you're doing. Just one more reboot. Wasn't really that hard and rolling your own liveCD surely is likely to cause more blood sweat and tears...
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enderandrew
l33t
Joined: 25 Oct 2005
Posts: 731
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| Posted: Tue Sep 18, 2007 2:52 am Post subject: |
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You're a good man, Charlie Brown.
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tokugawa
n00b
Joined: 11 Oct 2002
Posts: 40
Location: Olesnica, Poland
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| Posted: Fri Dec 28, 2007 1:29 am Post subject: No! just No |
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Hi,
I'll vote No for Reiser4. Maybe on non changing kernel works ok (not my case - I like to upgrade kernel). Maybe for 99.99% of time it works.
I have used it for very long time (years) and it worked... I was amazed by it's speed (emerge works great on top of it).
...but yesterday I saw 'reiser4 panic' on my fresh kernel - it happens randomly on half-year or so.
Yes, i know that my system is .. well.. experimental but I have switched to ext3 on / and problems went off (I remind once more - reiser4 failed on me only a few times during that years). Now I'm switching to ext3 on /home. And please remember "switched" means that I worked on ext3 for one year on one partition.
In my opinion ? Reiser4 is STILL experimental. |
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Shaman
Apprentice
Joined: 12 Sep 2002
Posts: 167
Location: Kingston, ON
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| Posted: Wed Jan 02, 2008 6:58 pm Post subject: |
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Hate to bring this thread back, but as of today namesys.com no longer resolves for me.
Surely reiser4 isn't going to simply disappear? 
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cocoliso
n00b
Joined: 07 Mar 2004
Posts: 68
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| Posted: Wed Jan 02, 2008 7:57 pm Post subject: |
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| Shaman wrote: | Hate to bring this thread back, but as of today namesys.com no longer resolves for me.
Surely reiser4 isn't going to simply disappear? |
is anyone still developing reiser4 i haven't heard any news about it in a long time...imho right now the project is dead
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kernelOfTruth
Watchman
Joined: 20 Dec 2005
Posts: 6111
Location: Vienna, Austria; Germany; hello world :)
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dusanc
Apprentice
Joined: 19 Sep 2005
Posts: 248
Location: Serbia
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| Posted: Thu Jan 03, 2008 10:39 am Post subject: |
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| Shaman wrote: | Hate to bring this thread back, but as of today namesys.com no longer resolves for me.
Surely reiser4 isn't going to simply disappear? |
Servers are down from time to time. 
PS. And I would recomend reiser4+lzo1 cryptocompress atleast on portage tree (or some other easy rebuildable small file directory). It's noticable faster. |
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cocoliso
n00b
Joined: 07 Mar 2004
Posts: 68
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| Posted: Thu Jan 03, 2008 5:19 pm Post subject: |
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well that good news
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batistuta
Veteran
Joined: 29 Jul 2005
Posts: 1384
Location: Aachen
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| Posted: Sat Jan 05, 2008 3:10 pm Post subject: |
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| server still down. This is not normal in my opinion... |
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MostAwesomeDude
Guru
Joined: 12 Aug 2007
Posts: 373
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| Posted: Sat Jan 05, 2008 7:51 pm Post subject: |
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| Conan wrote: | /dev/sda7 on /usr/portage type reiserfs (rw,noatime,notail)
203M /usr/portage/
nuff said |
| Code: | # mount | grep portage
/var/portage/portage-current.sqfs on /usr/portage type squashfs (ro,noexec,nodev,loop=/dev/loop0)
unionfs on /usr/portage type unionfs (rw,noexec,nodev,dirs=/dev/shm/.portage-rw=rw:/usr/portage=ro)
# du -h /var/portage/portage-current.sqfs
48M /var/portage/portage-current.sqfs |
Enough said, lawl. |
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kernelOfTruth
Watchman
Joined: 20 Dec 2005
Posts: 6111
Location: Vienna, Austria; Germany; hello world :)
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MostAwesomeDude
Guru
Joined: 12 Aug 2007
Posts: 373
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| Posted: Sat Jan 05, 2008 11:57 pm Post subject: |
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| kernelOfTruth wrote: | oh nice - how lame 
you compare apples with oranges
you ever tried reiser4 with cryptcompress and gzip1 or lzo1 compression ? 
how fast is it btw ? faster than reiser4 or jfs ? |
I just wanted to remind that there's more than one way to improve performance.
I've tried on three different occasions to get Reiser4 to work. Three different times, it has failed me. Perhaps I'll try again in another year.
As for speed, emerge --sync is a tiny bit slower to rsync, but a lot faster at regenerating the cache. update-eix takes seconds, where it used to take minutes. Mostly, the speed gains are in having enough RAM to cache the entire tree in memory. |
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tranquilcool
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Joined: 25 Mar 2005
Posts: 1246
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| Posted: Wed Jan 09, 2008 10:12 am Post subject: |
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played with reiser4 for sometime and i cried
several times. it's just a matter of which patch. while
the fs might be the fastest, the patches migth not be so stable.
goodbye reiser4.
gave ext4 a go for a while. no problems but no tools. in case
of trouble i feel i'd be weeping blood. so bye bye ext4.
am into jfs now. fast and so far reliable. i think i'll stick to it for good.
do not say i told you.
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Gentree
Watchman
Joined: 01 Jul 2003
Posts: 5350
Location: France, Old Europe
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| Posted: Wed Jan 09, 2008 12:44 pm Post subject: |
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| MostAwesomeDude wrote: | | Conan wrote: | /dev/sda7 on /usr/portage type reiserfs (rw,noatime,notail)
203M /usr/portage/
nuff said |
| Code: | # mount | grep portage
/var/portage/portage-current.sqfs on /usr/portage type squashfs (ro,noexec,nodev,loop=/dev/loop0)
unionfs on /usr/portage type unionfs (rw,noexec,nodev,dirs=/dev/shm/.portage-rw=rw:/usr/portage=ro)
# du -h /var/portage/portage-current.sqfs
48M /var/portage/portage-current.sqfs |
Enough said, lawl. |
maybe those who don't know the difference between reierfs and reiser4 should stop posting comparisons.
nuff sed?
_________________
Linux, because I'd rather own a free OS than steal one that's not worth paying for.
Gentoo because I'm a masochist
AthlonXP-M on A7N8X. Portage ~x86 |
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Gentree
Watchman
Joined: 01 Jul 2003
Posts: 5350
Location: France, Old Europe
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| Posted: Wed Jan 09, 2008 12:50 pm Post subject: |
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I'm still running 2.6.20-nicus1 using R4.
I've been reluctant to update the kernel since this release because the R4 side of things looked somewhat in flux.
anyone recommend a more recent kernel with R4 crypto plugin that has proved to be stable?
TIA
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Linux, because I'd rather own a free OS than steal one that's not worth paying for.
Gentoo because I'm a masochist
AthlonXP-M on A7N8X. Portage ~x86 |
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dusanc
Apprentice
Joined: 19 Sep 2005
Posts: 248
Location: Serbia
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| Posted: Wed Jan 09, 2008 2:47 pm Post subject: |
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| Gentree wrote: | I'm still running 2.6.20-nicus1 using R4.
I've been reluctant to update the kernel since this release because the R4 side of things looked somewhat in flux.
anyone recommend a more recent kernel with R4 crypto plugin that has proved to be stable?
TIA |
I'm running reiser4-for-2.6.23-2.patch + a fixup with gentoo-sources-2.6.23-r3 for couple weeks now 24/7. I had ~8 power failures/cold reboots and data is ok (ET keeps freezing X for me and nothing but cold restart solves it). But there exists reiser4-for-2.6.23-3.patch now (it's with a Python bug fixup), and devs recomend that to be used. I haven't tested it yet. No time
http://marc.info/?l=reiserfs-devel&m=119965031212207&w=2
Hope I helped
Bye
Dushan |
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batistuta
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Joined: 29 Jul 2005
Posts: 1384
Location: Aachen
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| Posted: Wed Jan 09, 2008 3:16 pm Post subject: |
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| namesys has been down since several days already. Does this mean anything? |
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dusanc
Apprentice
Joined: 19 Sep 2005
Posts: 248
Location: Serbia
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| Posted: Wed Jan 09, 2008 4:32 pm Post subject: |
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| batistuta wrote: | | namesys has been down since several days already. Does this mean anything? |
Yes. It means that namesys.com continues it's last years habit of sometimes being down (or up. Depends on POV). |
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Gentree
Watchman
Joined: 01 Jul 2003
Posts: 5350
Location: France, Old Europe
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| Posted: Wed Jan 09, 2008 9:11 pm Post subject: |
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a quick whois indicates it's now hosted in Russia. Maybe on a less well connected backwater.
Since de facto main dev seems to be Ed Shishkin at this time it looks like some of Hans' erstwhile colleges in .ru land have picked up the hosting as well.
| Code: | Referral URL: http://www.register.com
Name Server: DNS1.COMSTAR.RU
Name Server: T-RAENON.NMD.MSU.RU |
Many thanks to them for thier continued commitment to the project. Maybe someone should offer to buy them some more reliable hosting...
Dushan,
thanks for the info. Seems like custom kernel hacking is a dying trade. Looks like I'll finally have to get in and patch my own gentoo-sources or ck.
Partly laziness but I always liked to have a least a couple of dozen ppl using a hacked kernel before I committed to using it. Security in numbers.
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Linux, because I'd rather own a free OS than steal one that's not worth paying for.
Gentoo because I'm a masochist
AthlonXP-M on A7N8X. Portage ~x86 |
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dusanc
Apprentice
Joined: 19 Sep 2005
Posts: 248
Location: Serbia
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| Posted: Thu Jan 10, 2008 1:10 pm Post subject: Reiser4 current info |
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Here is some information from my correspondence that would be interesting to you all:
| Quote: |
Yep.
Ed, I am sorry that it takes that long, but I have family issues that need to be attended and right now quite a few hundred miles away from MSU where the box is located.
- Hide quoted text -
On Jan 10, 2008 5:11 AM, Edward Shishkin <edward.shishkin@gmail.com> wrote:
Stephen Shankland wrote:
>Good day.
>
Hi Stephen.
> I'm the open-source software reporter for CNET News.com, and I
>noticed today that the Namesys.com Web site has gone offline. Obviously
>the Hans Reiser situation could be involved. I wondered if you guys had
>any updates on the status of Namesys and of the Reiser4 file system
>project. It appears that development is continuing, but I wondered if
>you had any comment on Namesys' status as a company,
>
Commercial activity of Namesys has stopped, as Hans is
a single manager. So no much comments on this..
> if employees are
>being paid,
>
Reiser4-related activity is not paid.
> how active Reiser4 is as a project,
>
It is pretty active: many people are interested in this project.
Moreover, they help a lot. So all problems issued by changes
in VFS and block layer get successfully fixed. Plus the file
system became more stable.
> and what the future
>holds for the file system.
>
>
I hope that eventually it will get merged to the main tree:
experience shows it is quite maintainable project. However,
preparing for merge was not a highest priority in the last year:
Hans asked me to stabilize compression, so it has been announced
in March for testing: http://lkml.org/lkml/2007/3/14/446
and now it seems to be ready for product using.
> http://marc.info/?l=reiserfs-devel&m=119408910132456&w=2
>
>I'm not sure if you can elaborate on the "technical reasons" for the Web
>site going down, but after two months gone, I'd say it doesn't look
>terribly likely it'll come back soon.
>
>
Actually the host box came back after that crash, but not long ago
our dns-box got crashed. Flex promised to repair it in 10 days.
For now the latest setups for download can be found here:
http://chichkin_i.zelnet.ru/namesys/index.html
Some other stuff (whitepapers, etc) can be found at Google
caches.
Thanks,
Edward.
>sts
>
>Stephen Shankland
>reporter, CNET News.com
>blog: http://www.news.com/underexposed
>415-344-2406
>YM/AIM stshank
>235 Second St., San Francisco CA 94105
>
>
>
--
connecting the dots |
Hope this clears some FUD
Bye
Dushan |
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batistuta
Veteran
Joined: 29 Jul 2005
Posts: 1384
Location: Aachen
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| Posted: Fri Jan 11, 2008 10:28 am Post subject: |
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well, yeah... it kind of does...
So Reiser4 has no more financial support. Its manager is pretty much gone. The company behind is for sale. The development does go forward, somehow, by some independent team of volunteers unrelated to the kernel. I do have a big respect for the team and wish it all the best. But I just want to warn people that we are talking about a filesystem here, not an openGL desktop. This is something that must be robust to the ground or bad things can happen.
the way I look at it, if you put a production system on reiser4 you have big guts. And honestly... do you see THAT much difference in performance? Is it worth giving up other things like acls, resizing, and the peace of mind of having a kernel-supported filesystem?
I have used reiser4 for some time without any problems. But at the same time, no big advantages. So I've removed it before the problems would show up. |
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