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asturm
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PostPosted: Mon May 18, 2009 2:48 pm    Post subject: <linux-2.6.30_rc6-r5 & reiserfs: don't do it - 2.6.33 Reply with quote

As I understood it, reiserfs is atm undergoing a lot of changes due to the effort of killing the Big Kernel Lock. That will make it a tad faster but more importantly, still maintainable in the future.

Now, despite a flow of dmesg warnings (and 'mini panics' of the kernel starting with rc3) I was still able to boot (though not using) 2.6.30 kernels on reiserfs until about 2.6.30-rc5, where reiserfs partitions aren't mountable anymore.

Right now reiserfs users can only stay away from 2.6.30, and considering the huge changes being applied to the FS code, paranoid ones should probably wait a few kernel revisions more before thinking of an upgrade. :(
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Sadako
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PostPosted: Mon May 18, 2009 3:53 pm    Post subject: Reply with quote

That's me screwed...
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PostPosted: Mon May 18, 2009 3:57 pm    Post subject: Reply with quote

for me these problems with reiserfs were fixed in rc6, although my / isn't reiserfs, just /usr/portage
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PostPosted: Mon May 18, 2009 4:27 pm    Post subject: Reply with quote

there are still some errors on rc6 !

man - reiserfs WAS the most stable and secure filesystem on linux previously (for me) and now they're screwing everything up only for 4-10% more speed and removing the BKL ?

great - that way I could also migrate to XFS :roll:

and Reiser4 is still NOT in the kernel :evil:
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PostPosted: Mon May 18, 2009 7:08 pm    Post subject: Reply with quote

kernelOfTruth wrote:
there are still some errors on rc6 !

man - reiserfs WAS the most stable and secure filesystem on linux previously (for me) and now they're screwing everything up only for 4-10% more speed and removing the BKL ?

great - that way I could also migrate to XFS :roll:

and Reiser4 is still NOT in the kernel :evil:

8O
That's no good for me :(
Those were my filesystems of choice for a very long time...
I almost forgot about ext & co stuff... and now they want to kill reiserfs not mentionig reiser4...
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asturm
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PostPosted: Tue May 19, 2009 12:24 am    Post subject: Reply with quote

I'm already thinking of moving over to another fs, as KMS and DRM improvements are quite important to me and my i915 chip...
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tranquilcool
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PostPosted: Tue May 19, 2009 1:14 am    Post subject: Reply with quote

reiserfs has gone to pieces for now.
too good cause am moving my system to reiser4(great filesystem)
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SlashBeast
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PostPosted: Tue May 19, 2009 7:25 am    Post subject: Reply with quote

reiserfs work for me on rc3, rc4 and rc6 (rc5 not tested). Without any problems.
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PostPosted: Tue May 19, 2009 8:29 am    Post subject: Reply with quote

wfm on rc5 but its zen
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asturm
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PostPosted: Tue May 19, 2009 8:39 am    Post subject: Reply with quote

SlashBeast wrote:
reiserfs work for me on rc3, rc4 and rc6 (rc5 not tested). Without any problems.

Have you looked into dmesg / do you watch kernel messages during startup?

Also, what would be a good replacement for reiserfs (at least on /)?
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tranquilcool
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PostPosted: Tue May 19, 2009 10:28 am    Post subject: Reply with quote

genstorm wrote:
SlashBeast wrote:
reiserfs work for me on rc3, rc4 and rc6 (rc5 not tested). Without any problems.

Have you looked into dmesg / do you watch kernel messages during startup?

Also, what would be a good replacement for reiserfs (at least on /)?


good replacement should be ext4 though i love reiser4. but then reiser4 isn't
in kernel so it depends on patches. zen-sources(great set) has in kernel reiser4
but again you'll have to depend on zen-sources.
at present i'd go with ext4.
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PostPosted: Tue May 19, 2009 10:42 am    Post subject: Reply with quote

tranquilcool wrote:
genstorm wrote:
SlashBeast wrote:
reiserfs work for me on rc3, rc4 and rc6 (rc5 not tested). Without any problems.

...Also, what would be a good replacement for reiserfs (at least on /)?

good replacement should be ext4 though i love reiser4...

I think a good replacement will be btrfs. But not now.
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asturm
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PostPosted: Tue May 19, 2009 10:48 am    Post subject: Reply with quote

I would have gone the ext4 route already hadn't there been the data loss afair several weeks ago. What's the current state there?

Maybe it's time for some fs tinkering again... thinking of giving btrfs a chance on /usr/portage

reiser4 not in mainline kernel is also holding me off right now. What's the current state of it? Are there well-tested official upstream patches that will definitely work with 2.6.30* and reiser4progs, that I could include into my own kernel patchset? Last time I checked, which was several months ago, reiser4 seemed to be in a rather sorry state with different patches floating around working only with specific versions of reiser4progs etc...
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PostPosted: Tue May 19, 2009 1:54 pm    Post subject: Reply with quote

genstorm wrote:
I would have gone the ext4 route already hadn't there been the data loss afair several weeks ago. What's the current state there?

Maybe it's time for some fs tinkering again... thinking of giving btrfs a chance on /usr/portage

reiser4 not in mainline kernel is also holding me off right now. What's the current state of it? Are there well-tested official upstream patches that will definitely work with 2.6.30* and reiser4progs, that I could include into my own kernel patchset? Last time I checked, which was several months ago, reiser4 seemed to be in a rather sorry state with different patches floating around working only with specific versions of reiser4progs etc...


tested btrfs with portage but after a while went back to reiser4. percieved performance after some was an issue to me.
ext4 data loss has been fixed and according to phoronix benchmarks beats most fs in most cases.
well reiser4 patches are at 2.6.29 unless you ask the zen-sources guys for broken out patches for their most recent zen-sources.
personally am thinking of going ext4 for / and keeping reiser4 for portage.
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PostPosted: Tue May 19, 2009 2:06 pm    Post subject: Reply with quote

genstorm wrote:

reiser4 not in mainline kernel is also holding me off right now. What's the current state of it? Are there well-tested official upstream patches that will definitely work with 2.6.30* and reiser4progs, that I could include into my own kernel patchset? Last time I checked, which was several months ago, reiser4 seemed to be in a rather sorry state with different patches floating around working only with specific versions of reiser4progs etc...


You can find the latest stable patches here: http://www.kernel.org/pub/linux/kernel/people/edward/reiser4/reiser4-for-2.6/
I've been using reiser4 on / for the past few years and have found it to be very stable and fast. I ran into a small problem with reiser4progs in the beginning, but all that has been fixed. I just use zen-sources because they always have the latest reiser4 patches and a few others like Linux-PHC that I use.
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PostPosted: Tue May 19, 2009 3:03 pm    Post subject: Reply with quote

wait, is that reiserfs or reiserfs4?
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PostPosted: Tue May 19, 2009 3:08 pm    Post subject: Reply with quote

Hey !

great news !

Edward posted the following:

Quote:
Jorge Bastos wrote:
> Hi people,
>

Hello.

> A simple question, does anyone can tell me information about reiserfs4,

Use the latest -mm kernel, or patch against vanilla kernel:
http://www.kernel.org/pub/linux/kernel/people/edward/reiser4/reiser4-for-2.6/
Report, if any problems.

> if
> is it going to be included in the main kernel, and if yes, which version?
>

There are some technical/organization issues
to be resolved
before inclusion. Not now.
May be in Aug/Sept.

Thanks,
Edward.

> I ask this 'cause, thinking on what happened to the reiser creator, I'm
> thinking if my next servers will have reiserfs 3x or ext4.
>
> Thanks,
> Jorge,
>
> --
> To unsubscribe from this list: send the line "unsubscribe reiserfs-devel" in
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PostPosted: Tue May 19, 2009 4:15 pm    Post subject: Reply with quote

genstorm wrote:
SlashBeast wrote:
reiserfs work for me on rc3, rc4 and rc6 (rc5 not tested). Without any problems.

Have you looked into dmesg / do you watch kernel messages during startup?

Also, what would be a good replacement for reiserfs (at least on /)?


Yes, all work ok, but when I booted first time rc6 I saw kernel oops, lot of spam on screen and info about problem with remunt rootfs as rw, after disabling kms (i915.modeset=0) work ok.
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PostPosted: Wed May 20, 2009 7:30 am    Post subject: Reply with quote

I'm running rc6 even as I type this message. If there is a reiserfs issue, I don't see it here.

Blessed be!
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asturm
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PostPosted: Wed May 20, 2009 9:58 am    Post subject: Reply with quote

I have installed rc6-r5 now and it finally works again. It seems the latest reiserfs fixes from 2 days ago did it. No dmesg overflow with xattr messages (I have xattr disabled, my issues might have arisen of that), no panic at startup. ;)

Maaybe I'll do some backupping now nonetheless. :D

@SlashBeast: Setting i915.modeset=0 doesn't really seem to be a viable reiserfs fixup. ;) You must have changed something in addition to get it working.

EDIT: Just to make the changes being made to reiserfs visible: http://git.kernel.org/?p=linux%2Fkernel%2Fgit%2Ftorvalds%2Flinux-2.6.git&a=search&h=279e677faa775ad16e75c32e1bf4a37f8158bc61&st=commit&s=reiserfs

Also: The really big changes concerning the removal of BKL will only arrive after 2.6.30 which just got updated to the recent state of reiserfs in OpenSuse, patches from Jeff Mahoney. So, once the big BKL fun begins, we may have already reiserfs4 in-kernel working on our patitions. :D
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PostPosted: Wed May 20, 2009 5:59 pm    Post subject: Reply with quote

Amazingly enough, I found a way to make the problem happen. It seems that if you just enable reiserfs with no added goodies, it will fail. If someone would like to verify, perhaps it's time to write a bug report.

Blessed be!
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asturm
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PostPosted: Wed May 20, 2009 8:49 pm    Post subject: Reply with quote

That has also been the case on my system - i have enabled reiserfs without extras ever since, and those problems were -xattrs related. But they have gone at least since git-sources-2.6.30_rc6-r5. :)
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PostPosted: Thu May 21, 2009 8:28 am    Post subject: Reply with quote

reiser4 in kernel?

am going all reiser4 right now. great!
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PostPosted: Wed May 27, 2009 9:04 am    Post subject: Reply with quote

Reiser4 in mainline kernel! w00t :!: :!: :!:

Sweeeeeeet. I hope we can get large file performance fixed. Well not really that, but deletion performance. I cannot delete anythign faster than reading my disks at 10MiB/sec
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PostPosted: Sun May 31, 2009 9:11 am    Post subject: Reply with quote

now my data is on ext4 and i feel they're very safe.
tried reiser4 on root but couldn't get it to boot. googled hard but all the
proposed options didn't work; 'fsck -A -a' and 'fsck -a' etc'

now i feel new.
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