Re: [f2fs-dev] [PATCH 1/2] f2fs: detect host-managed SMR by feature flag

2016-08-24 Thread Marc Lehmann
On Wed, Aug 24, 2016 at 03:31:39PM -0500, Shaun Tancheff <shaun.tanch...@seagate.com> wrote: > > IIRC, we discussed about HASMR with Marc Lehmann last year, and he gave the > > below link which sums up. > > > > https://urldefens

Re: [f2fs-dev] [PATCH] f2fs: give RO message when recovering superblock

2016-03-23 Thread Marc Lehmann
ode+content MORPG -==- _GNU_ http://www.deliantra.net ==-- _ generation ---==---(_)__ __ __ Marc Lehmann --==---/ / _ \/ // /\ \/ / schm...@schmorp.de -=/_/_//_/\_,_/ /_/\_\ ---

Re: [f2fs-dev] f2fs bug: Unable to mount big volumes in kernel 4.5

2016-03-23 Thread Marc Lehmann
n given, could try to mount even if the superblock has (some amount of) bad data. -- The choice of a Deliantra, the free code+content MORPG -==- _GNU_ http://www.deliantra.net ----==-- _ generation ---==---(_)__ __ __

Re: [f2fs-dev] [PATCH 3/5] f2fs: report readonly status in ->fsync

2015-12-25 Thread Marc Lehmann
_ http://www.deliantra.net ==-- _ generation ---==---(_)__ __ __ Marc Lehmann --==---/ / _ \/ // /\ \/ /

Re: [f2fs-dev] f2fs stability problems keep me from testing

2015-11-19 Thread Marc Lehmann
I can, I will - I didn't attempt to stress the filesystem since then, but will presdumably start doing tests next week again. -- The choice of a Deliantra, the free code+content MORPG -==- _GNU_ http://www.deliantra.net ==-- _ g

Re: [f2fs-dev] f2fs stability problems keep me from testing

2015-11-18 Thread Marc Lehmann
-==- _GNU_ http://www.deliantra.net ==-- _ generation ---==---(_)__ __ __ Marc Lehma

Re: [f2fs-dev] f2fs stability problems keep me from testing

2015-11-18 Thread Marc Lehmann
/www.deliantra.net ==-- _ generation ---==---(_)__ __ ____ __ Marc Lehmann --==---/ / _ \/ // /\ \/ / schm...@schmorp.de -=/_/_//_/\_,_/ /_/\_\ --

Re: [f2fs-dev] f2fs stability problems keep me from testing

2015-11-18 Thread Marc Lehmann
/cold1/var: total 8 drwx--x--x 3 root root 4096 Nov 14 20:33 lib -- The choice of a Deliantra, the free code+content MORPG -==- _GNU_ http://www.deliantra.net ==-- _ generation ---==---(_)__ __

Re: [f2fs-dev] blog article about f2fs on smr drives

2015-11-16 Thread Marc Lehmann
ts, I will try to do smaller tests and see if I can make more of them and see a difference. Thanks again! -- The choice of a Deliantra, the free code+content MORPG -==- _GNU_ http://www.deliantra.net ==-- _ generation

[f2fs-dev] have ioctls changed?

2015-11-16 Thread Marc Lehmann
generation ---==---(_)__ __ __ Marc Lehmann --==---/ / _ \/ // /\ \/ / schm...@schmorp.de -=/_/_//_/\_,_/ /_/\_\ -- ___ Linux-f2fs-devel mailing list

Re: [f2fs-dev] blog article about f2fs on smr drives

2015-11-14 Thread Marc Lehmann
oice of a Deliantra, the free code+content MORPG -==- _GNU_ http://www.deliantra.net ==-- _ generation ---==---(_)__ __ __ Marc Lehmann --

[f2fs-dev] blog article about f2fs on smr drives

2015-10-08 Thread Marc Lehmann
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Re: [f2fs-dev] near disk full performance (full 8TB)

2015-10-04 Thread Marc Lehmann
RPG -==- _GNU_ http://www.deliantra.net ==-- _ generation ---==---(_)__ __ __ Marc Lehmann --==

[f2fs-dev] more gc experiences

2015-10-04 Thread Marc Lehmann
//www.deliantra.net ==-- _ generation ---==---(_)__ __ __ Marc Lehmann --==---/ / _ \/ // /\ \/ / schm...@schmorp.de -=/_/_//_/\_,_/ /_/\_\ -- _

[f2fs-dev] assumptions and misconceptions about f2fs behaviour, please correct

2015-10-04 Thread Marc Lehmann
http://www.deliantra.net ==-- _ generation ---==---(_)__ __ __ Marc Lehmann --==---/ / _ \/ // /\ \/ / schm...@

[f2fs-dev] dir_level explained?

2015-10-04 Thread Marc Lehmann
? -- The choice of a Deliantra, the free code+content MORPG -==- _GNU_ http://www.deliantra.net ==-- _ generation ---==---(_)__ __ __ Marc Lehmann --==---/ / _ \/ // /\ \/ / schm...@schmorp.de

Re: [f2fs-dev] 100% system time hang with git f2fs

2015-10-03 Thread Marc Lehmann
ode+content MORPG -==- _GNU_ http://www.deliantra.net ==-- _ generation ---==---(_)__ __ __ Marc Lehmann --==---/

Re: [f2fs-dev] 100% system time hang with git f2fs

2015-10-02 Thread Marc Lehmann
On Thu, Oct 01, 2015 at 08:51:24PM +0200, Marc Lehmann <schm...@schmorp.de> wrote: > Ok, for completeness, here is the full log and a description of what was > going on. Ok, so I did a fsck, which took one hour, which is not very good, but I don't use fsck very often. It didn't find

Re: [f2fs-dev] write performance difference 3.18.21/git f2fs

2015-10-01 Thread Marc Lehmann
On Thu, Oct 01, 2015 at 02:11:20PM +0200, Marc Lehmann <schm...@schmorp.de> wrote: > WOW, THAT HELPED A LOT. While the peak throughput seems quite a bit lower Ok, for completeness, here is the full log and a description of what was going on. http://data.plan9.de/f2fs.s64.noinline.full

Re: [f2fs-dev] SMR drive test 2; 128GB partition; no obvious corruption, much more sane behaviour, weird overprovisioning

2015-09-29 Thread Marc Lehmann
-s1 for fun? Will also try and see how it performs with the first hundred GB or so. Then I will get the traces. -- The choice of a Deliantra, the free code+content MORPG -==- _GNU_ http://www.deliantra.net ==-- _

Re: [f2fs-dev] write performance difference 3.18.21/git f2fs

2015-09-29 Thread Marc Lehmann
==-- _ generation ---==---(_)__ __ __ Marc Lehmann --==---/ / _ \/ // /\ \/ / schm...@schmorp.de -=/_/_//_/\_,_/ /_/\_\ -- ___ Linux-f2fs-devel mailing list Linux-f2

Re: [f2fs-dev] SMR drive test 2; 128GB partition; no obvious corruption, much more sane behaviour, weird overprovisioning

2015-09-26 Thread Marc Lehmann
The choice of a Deliantra, the free code+content MORPG -==- _GNU_ http://www.deliantra.net ----==-- _ generation ---==---(_)__ __ __ Marc

Re: [f2fs-dev] write performance difference 3.18.21/git f2fs

2015-09-26 Thread Marc Lehmann
--==-- _ generation ---==---(_)__ __ ____ __ Marc Lehmann --==---/ / _ \/ // /\ \/ / schm...@schmorp.de -=/_/_//_/\_,_/ /_/\_\ -- ___ Linux-f2fs-devel mail

[f2fs-dev] write performance difference 3.18.21/git f2fs

2015-09-25 Thread Marc Lehmann
-==- _GNU_ http://www.deliantra.net ==-- _ generation ---==---(_)__ __ __ Marc Lehmann --==---/ / _ \/ // /\ \/ / schm...@schmorp.de

Re: [f2fs-dev] write performance difference 3.18.21/4.2.1

2015-09-25 Thread Marc Lehmann
content MORPG -==- _GNU_ http://www.deliantra.net ----==-- _ generation ---==---(_)__ __ __ Marc Lehmann --==---/ / _ \/ // /\ \/ / schm...@schmorp.de -=/_/_//_/\_,_/ /_/\_\ -

Re: [f2fs-dev] SMR drive test 2; 128GB partition; no obvious corruption, much more sane behaviour, weird overprovisioning

2015-09-25 Thread Marc Lehmann
www.deliantra.net ==-- _ generation ---==---(_)__ __ __ Marc Lehmann --==---/ / _ \/ // /\ \/ / schm...@schmorp.de -=/_/_//_/\_,_/ /_/\_\ -- ___

Re: [f2fs-dev] SMR drive test 2; 128GB partition; no obvious corruption, much more sane behaviour, weird overprovisioning

2015-09-25 Thread Marc Lehmann
==-- _ generation ---==---(_)__ __ __ Marc Lehmann --==---/ / _ \/ // /\ \/ / schm...@schmorp.de -=/_/_//_/\_,_/ /_/\_\ -- ___ Linux-f2fs-devel ma

Re: [f2fs-dev] sync/umount hang on 3.18.21, 1.4TB gone after crash

2015-09-25 Thread Marc Lehmann
s I use, btrfs, xfs, ext* and zfs) seem to have their own regular commit interval, or otherwise commit frequently if it is cheap enough. -- The choice of a Deliantra, the free code+content MORPG -==- _GNU_ http://www.deliantra.net ----==-- _

Re: [f2fs-dev] sync/umount hang on 3.18.21, 1.4TB gone after crash

2015-09-25 Thread Marc Lehmann
On Fri, Sep 25, 2015 at 08:00:19AM +0200, Marc Lehmann <schm...@schmorp.de> wrote: > On Thu, Sep 24, 2015 at 11:50:23AM -0700, Jaegeuk Kim <jaeg...@kernel.org> > wrote: > > > When I came back after ~10 hours, I found a number of hung task messages > > > in s

Re: [f2fs-dev] write performance difference 3.18.21/4.2.1

2015-09-25 Thread Marc Lehmann
ite ends of the log or so). -- The choice of a Deliantra, the free code+content MORPG -==- _GNU_ http://www.deliantra.net ==-- _ generation ---==---(_)__ __ ____ __ Marc Lehmann --==---/ / _ \/ // /\ \/

Re: [f2fs-dev] write performance difference 3.18.21/4.2.1

2015-09-24 Thread Marc Lehmann
1ff7.txt -- The choice of a Deliantra, the free code+content MORPG -==- _GNU_ http://www.deliantra.net ==-- _ generation ---==---(_)__ __

Re: [f2fs-dev] write performance difference 3.18.21/4.2.1

2015-09-24 Thread Marc Lehmann
On Fri, Sep 25, 2015 at 01:20:25AM +0200, Marc Lehmann <schm...@schmorp.de> wrote: > On Thu, Sep 24, 2015 at 11:28:36AM -0700, Jaegeuk Kim <jaeg...@kernel.org> > wrote: > > > The log starts after only 20GB had been written. Here is the status output > > > at

Re: [f2fs-dev] SMR drive test 2; 128GB partition; no obvious corruption, much more sane behaviour, weird overprovisioning

2015-09-24 Thread Marc Lehmann
the question is, can I simulate near-full behaviour with smaller partitions. -- The choice of a Deliantra, the free code+content MORPG -==- _GNU_ http://www.deliantra.net ==-- _ generation ---==---(_)__ __ __ Mar

Re: [f2fs-dev] SMR drive test 2; 128GB partition; no obvious corruption, much more sane behaviour, weird overprovisioning

2015-09-23 Thread Marc Lehmann
On Wed, Sep 23, 2015 at 06:15:24AM +0200, Marc Lehmann <schm...@schmorp.de> wrote: > > However, when I tried to do mkfs.f2fs with the same options, I got about > > 18GB. > > Could you share the mkfs.f2fs messages and fsck.f2fs -d3 as well? > > When I re-ra

Re: [f2fs-dev] SMR drive test 2; 128GB partition; no obvious corruption, much more sane behaviour, weird overprovisioning

2015-09-23 Thread Marc Lehmann
en if you decide against it :). Greetings, -- The choice of a Deliantra, the free code+content MORPG -==- _GNU_ http://www.deliantra.net ==-- _ generation ---==---(_)__ __ __ Mar

Re: [f2fs-dev] write performance difference 3.18.21/4.2.1

2015-09-23 Thread Marc Lehmann
en that might be it - still, that would mean f2fs performs worse than traditional filesystems on these disks). -- The choice of a Deliantra, the free code+content MORPG -==- _GNU_ http://www.deliantra.net ==-- _ generation ---==

Re: [f2fs-dev] SMR drive test 2; 128GB partition; no obvious corruption, much more sane behaviour, weird overprovisioning

2015-09-23 Thread Marc Lehmann
Deliantra, the free code+content MORPG -==- _GNU_ http://www.deliantra.net ----==-- _ generation ---==---(_)__ __ __ Marc Lehmann --==---/ / _ \/ // /\ \/ / schm...@schmorp.de -=/_/_//_/\_,_/ /_/\_\ --

Re: [f2fs-dev] SMR drive test 2; 128GB partition; no obvious corruption, much more sane behaviour, weird overprovisioning

2015-09-23 Thread Marc Lehmann
e. What is "one batch" in terms of gc, one section? -- The choice of a Deliantra, the free code+content MORPG -==- _GNU_ http://www.deliantra.net ==-- _ generation ---==---(_)__ __ __ Marc Leh

Re: [f2fs-dev] SMR drive test 2; 128GB partition; no obvious corruption, much more sane behaviour, weird overprovisioning

2015-09-23 Thread Marc Lehmann
On Thu, Sep 24, 2015 at 01:30:22AM +0200, Marc Lehmann <schm...@schmorp.de> wrote: > > One thing I note is that gc_min_sleep_time is not be set in your script, > > so in some condition gc may still do the sleep with gc_min_sleep_time (30 > > seconds by default) instead of

Re: [f2fs-dev] SMR drive test 2; 128GB partition; no obvious corruption, much more sane behaviour, weird overprovisioning

2015-09-23 Thread Marc Lehmann
MORPG -==- _GNU_ http://www.deliantra.net ==-- _ generation ---==---(_)__ __ __ Marc Lehmann --==---/ / _ \/ // /\ \/ / schm...@schmorp.de -=/_/_//_/\_,_/ /_/\_\ --

[f2fs-dev] SMR drive test 3: full 8TB partition, mount problems, fsck error after delete

2015-09-22 Thread Marc Lehmann
problems. -- The choice of a Deliantra, the free code+content MORPG -==- _GNU_ http://www.deliantra.net ==-- _ generation ---==---(_)__ __ __ Marc Lehmann --==---/ / _ \/ // /\ \/ / schm...@s

Re: [f2fs-dev] SMR drive test 2; 128GB partition; no obvious corruption, much more sane behaviour, weird overprovisioning

2015-09-22 Thread Marc Lehmann
ocumentation. I didn't get very far, and couldn't correlate the behaviour I saw with the settings I made). -- The choice of a Deliantra, the free code+content MORPG -==- _GNU_ http://www.deliantra.net ==-- _ generation ---==---(_)__ __

Re: [f2fs-dev] SMR drive test 3: full 8TB partition, mount problems, fsck error after delete

2015-09-22 Thread Marc Lehmann
ange, if the kernel fails, I would expect some dmesg output, but the fs was mountable before and after. Unfortunately, I already went onwards with the next test. -- The choice of a Deliantra, the free code+content MORPG -==-

Re: [f2fs-dev] SMR drive test 1; 512GB partition; very slow + unfixable corruption

2015-09-21 Thread Marc Lehmann
On Mon, Sep 21, 2015 at 10:17:48AM +0200, Marc Lehmann <schm...@schmorp.de> wrote: > (-onoatime,inline_xattr,inline_data,flush_merge,extent_cache, note: no Correction, I copied the wrong line from my log, the mount options were: mount -o inline_data,inline_dentry,flush_merge,ext

[f2fs-dev] SMR drive test 2; 128GB partition; no obvious corruption, much more sane behaviour, weird overprovisioning

2015-09-21 Thread Marc Lehmann
filesystem, why does it not do background garbage collect at maximum I/O speed, so the filesystem is ready when the next writes come? Greetings, and good night :) -- The choice of a Deliantra, the free code+content MORPG -==- _GNU_ http://www.deliant

Re: [f2fs-dev] finally testing with SMR drives

2015-09-20 Thread Marc Lehmann
=- _GNU_ http://www.deliantra.net ==-- _ generation ---==---(_)__ __ __ Marc Lehmann --==---/ / _ \/ // /\ \/ / schm...@schmorp.de -=/_/_//_/\_,_/ /_/\_\ -- __

Re: [f2fs-dev] general stability of f2fs?

2015-08-12 Thread Marc Lehmann
. -- The choice of a Deliantra, the free code+content MORPG -==- _GNU_ http://www.deliantra.net ==-- _ generation ---==---(_)__ __ __ Marc Lehmann --==---/ / _ \/ // /\ \/ / schm...@schmorp.de

Re: [f2fs-dev] f2fs for SMR drives

2015-08-10 Thread Marc Lehmann
://www.deliantra.net ==-- _ generation ---==---(_)__ __ __ Marc Lehmann --==---/ / _ \/ // /\ \/ / schm...@schmorp.de

[f2fs-dev] f2fs for SMR drives

2015-08-08 Thread Marc Lehmann
---==---(_)__ __ __ Marc Lehmann --==---/ / _ \/ // /\ \/ / schm...@schmorp.de -=/_/_//_/\_,_/ /_/\_\ -- ___ Linux-f2fs-devel mailing list