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#1 2016-04-11 14:11:12

twoion
ほやほや
Registered: 2015-08-10
Posts: 3,245

As expected, ext4 and XFS are the most reliable native file systems

A bunch of nerds from Oracle did some state-of-the-art file system fuzzing on Linux 4.3 - here's the PDF with the results and an introduction.

Let me just post the table here, for my own delectation:

# Time to first bug

Filesystem   Time    Type
----------   ----    ----
Btrfs        5s      BUG()
Ext4         2h      BUG()
F2fs         10s     BUG()
Gfs2         8m      Double free
Hfs          30s     Page Fault
Hfsplus      25s     Page Fault
Nilfs2       1m      Page Fault
Ntfs         4m      Soft lockup
Ocfs2        15s     BUG()
Reiserfs     25s     BUG()
Xfs          1h45m   Soft lockup

Again: "as expected", btrfs is shit because it's totally untested and immature. I mean, it's an achievement to kill (itself) faster than the notorious reiserfs (which has been unmaintained for who-knows-how-long) devil


Nassdachs

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#2 2016-04-11 15:41:34

brontosaurusrex
Middle Office
Registered: 2015-09-29
Posts: 2,352
Website

Re: As expected, ext4 and XFS are the most reliable native file systems

Interesting, thanks for sharing.

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#3 2016-04-11 18:07:56

el_koraco
Member
Registered: 2016-02-08
Posts: 125

Re: As expected, ext4 and XFS are the most reliable native file systems

but btrfs is more fun!

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#4 2016-04-11 18:10:58

Head_on_a_Stick
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From: London
Registered: 2015-09-29
Posts: 8,759
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Re: As expected, ext4 and XFS are the most reliable native file systems

^ +1

Snapshots FTW!
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#5 2016-04-12 00:20:45

Irulan
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Re: As expected, ext4 and XFS are the most reliable native file systems

Where is jfs?
-H

#6 2016-04-12 00:22:28

Eraph
Member
From: /au/qld/bne
Registered: 2016-02-29
Posts: 282
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Re: As expected, ext4 and XFS are the most reliable native file systems

Where is fat32? tongue


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#7 2016-04-12 00:23:43

C#Coder4ever
BL Keyboard Troll
From: /dev/zero
Registered: 2015-09-29
Posts: 276

Re: As expected, ext4 and XFS are the most reliable native file systems

how about zfs?


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#8 2016-04-12 06:19:04

earlybird
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Registered: 2015-12-16
Posts: 738
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Re: As expected, ext4 and XFS are the most reliable native file systems

C#Coder4ever wrote:

how about zfs?

It's not in the list. Maybe because it"s not in-tree? The ntfs driver listed here is also not ntfs-3g which offers r/w support and is commonly used but the in-tree ntfs driver which only provides ro access to ntfs drives.

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#9 2016-04-12 06:58:21

dot|not
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From: /dev/urandom
Registered: 2016-02-04
Posts: 93
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Re: As expected, ext4 and XFS are the most reliable native file systems

I like how the oh so awesome btrfs failed after five seconds. big_smile

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#10 2016-04-12 08:56:28

earlybird
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Registered: 2015-12-16
Posts: 738
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Re: As expected, ext4 and XFS are the most reliable native file systems

dot|not wrote:

I like how the oh so awesome btrfs failed after five seconds. big_smile

Well, it's still outrunning the competition...

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#11 2016-04-12 09:27:29

pvsage
Internal Affairs
Registered: 2015-09-29
Posts: 1,433

Re: As expected, ext4 and XFS are the most reliable native file systems

twoion wrote:

the notorious reiserfs (which has been unmaintained for who-knows-how-long) devil

Sidebar:  I've often wondered if it was maintained at all after its notorious developer was incarcerated.  Never bothered finding out, because I've always thought reiserfs was irrelevant for any modern computing environment, especially considering the reason for its developer's notoriety.  Then I started wondering why I'm not so willing to disregard Debian considering the circumstances of its founder's death.  Now my head hurts.


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#12 2016-04-12 12:52:17

dot|not
Member
From: /dev/urandom
Registered: 2016-02-04
Posts: 93
Website

Re: As expected, ext4 and XFS are the most reliable native file systems

Well, it's still outrunning the competition...

In a lab environment and under certain conditions. Also: Speed's not everything.

Sidebar:  I've often wondered if it was maintained at all after its notorious developer was incarcerated.  Never bothered finding out, because I've always thought reiserfs was irrelevant for any modern computing environment, especially considering the reason for its developer's notoriety.  Then I started wondering why I'm not so willing to disregard Debian considering the circumstances of its founder's death.  Now my head hurts.

I'm still convinced the murder of his wife isn't actually the reason why he's serving a life sentence, but rather the beast that is a filesystem that he created.

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#13 2016-04-12 12:59:01

twoion
ほやほや
Registered: 2015-08-10
Posts: 3,245

Re: As expected, ext4 and XFS are the most reliable native file systems

dot|not wrote:

Well, it's still outrunning the competition...

In a lab environment and under certain conditions. Also: Speed's not everything.

I feel compelled to ask: Did you not notice the subversive irony in my statement? big_smile It outruns the competition…at failing.


Nassdachs

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#14 2016-04-12 13:10:34

Irulan
Guest

Re: As expected, ext4 and XFS are the most reliable native file systems

pvsage wrote:
twoion wrote:

the notorious reiserfs (which has been unmaintained for who-knows-how-long) devil

Sidebar:  I've often wondered if it was maintained at all after its notorious developer was incarcerated.  Never bothered finding out, because I've always thought reiserfs was irrelevant for any modern computing environment, especially considering the reason for its developer's notoriety.  Then I started wondering why I'm not so willing to disregard Debian considering the circumstances of its founder's death.  Now my head hurts.

Given what turns out with Chucky (and the squeals) I've been afraid to try reiserfs wink
-H

#15 2016-04-12 13:20:59

xaos52
The Good Doctor
From: Planet of the @pes
Registered: 2015-09-30
Posts: 695

Re: As expected, ext4 and XFS are the most reliable native file systems

OTOH I have been using btrfs on my portable PC for over a year now and have not once experienced serious problems with it.

btrfs can perform notoriously bad on big database files, caused by the copy-on-write implementation.

btrfs is bad -> btrfs is bad for some application mixes

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#16 2016-04-12 14:18:55

pingu
Member
Registered: 2015-09-29
Posts: 128

Re: As expected, ext4 and XFS are the most reliable native file systems

xaos52 wrote:

btrfs can perform notoriously bad on big database files, caused by the copy-on-write implementation.

btrfs is bad -> btrfs is bad for some application mixes

That's why I have a couple of directories with nocow dsabled (`chattr +C ` ). I did that  with all dbs  and for my vms.

I've also not had any problems with it. But I probably put less load on my btrfs partitions than they did.

Last edited by pingu (2016-04-12 14:20:12)


"Chuck Norris can compile syntax errors."

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#17 2016-04-15 07:11:53

dot|not
Member
From: /dev/urandom
Registered: 2016-02-04
Posts: 93
Website

Re: As expected, ext4 and XFS are the most reliable native file systems

twoion wrote:

I feel compelled to ask: Did you not notice the subversive irony in my statement? big_smile It outruns the competition…at failing.

I did not. Because I was so confused by you having two accounts. big_smile

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