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#1 2005-11-02 20:19:18

Gullible Jones
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Registered: 2004-12-29
Posts: 4,863

ZFS for Linux

Now that ZFS has been released, will the Linux kernel devs attempt to add support for it? It looks like one heck of a filesystem.

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#2 2005-11-02 22:24:44

Cam
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From: Brisbane, Aus
Registered: 2004-12-21
Posts: 658
Website

Re: ZFS for Linux

Link?

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#3 2005-11-02 22:31:37

Gullible Jones
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Registered: 2004-12-29
Posts: 4,863

Re: ZFS for Linux

Hmm... I may have gotten this wrong. Is ZFS going to be open, or not?

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#4 2005-11-03 03:24:28

rizzix
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Registered: 2005-10-22
Posts: 55

Re: ZFS for Linux

can't we just have hfsplus support by default... that would be good enough..

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#5 2005-11-03 11:38:34

Gullible Jones
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Registered: 2004-12-29
Posts: 4,863

Re: ZFS for Linux

Does HFS+ support zettabyte-scale filesystems? Me thinks not.

(Really, what does HFS+ have that XFS, ReiserFS, or JFS doesn't?)

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#6 2005-11-03 11:55:41

jftaylor21
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From: Arch Linux Forums
Registered: 2004-02-21
Posts: 237

Re: ZFS for Linux

according to sun's website, "Porting to Linux is currently being investigated."
http://www.sun.com/emrkt/campaign_docs/ … en.html#10

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#7 2005-11-03 20:48:13

Gullible Jones
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Registered: 2004-12-29
Posts: 4,863

Re: ZFS for Linux

Woo hoo!

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#8 2005-11-03 22:22:31

rizzix
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Registered: 2005-10-22
Posts: 55

Re: ZFS for Linux

Gullible Jones wrote:

(Really, what does HFS+ have that XFS, ReiserFS, or JFS doesn't?)

the capability to use your old macs and iPods as external harddisks..

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#9 2005-11-03 23:19:51

Gullible Jones
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Registered: 2004-12-29
Posts: 4,863

Re: ZFS for Linux

Uhh... Can't you just reformat it, if you want to use it as an extra HDD?

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#10 2005-11-05 20:30:23

rizzix
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Registered: 2005-10-22
Posts: 55

Re: ZFS for Linux

no can't do that with the ipod... (won't read on the mac)

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#11 2005-11-05 21:20:35

Gullible Jones
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Registered: 2004-12-29
Posts: 4,863

Re: ZFS for Linux

Then put Yellow Dog Linux on the Mac, or something.

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#12 2005-11-22 02:40:03

sesser
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From: NorCal
Registered: 2005-11-02
Posts: 20
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Re: ZFS for Linux

Gullible Jones wrote:

Then put Yellow Dog Linux on the Mac, or something.

Seems like a whole lot of trouble to be able to read/write to an Mac formatted iPod or HD. My TiBook's logic board is cooked and I need a way to get the data off the hard drive... having HFS+ would be handy.

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#13 2005-11-22 10:30:33

tomk
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From: Ireland
Registered: 2004-07-21
Posts: 9,839

Re: ZFS for Linux

sesser, rizzix - are you aware that HFS+ support is provided by the kernel? To quote:

<src>/fs/Kconfig wrote:

config HFSPLUS_FS
        tristate "Apple Extended HFS file system support"
        select NLS
        select NLS_UTF8
        help
          If you say Y here, you will be able to mount extended format
          Macintosh-formatted hard drive partitions with full read-write access.
       
          This file system is often called HFS+ and was introduced with
          MacOS 8. It includes all Mac specific filesystem data such as
          data forks and creator codes, but it also has several UNIX
          style features such as file ownership and permissions.

It's not in the Arch kernels, so you'd have to recompile - you'll find it in File systems -> Miscellaneous filesystems -> Apple Extended HFS file system support.

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#14 2005-11-22 13:05:01

nightfrost
Member
From: Sweden
Registered: 2005-04-16
Posts: 647

Re: ZFS for Linux

why not file a request to add that module? I can't imagine it would to much of a hassle...

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#15 2005-11-23 07:47:59

sesser
Member
From: NorCal
Registered: 2005-11-02
Posts: 20
Website

Re: ZFS for Linux

Indeed. Shortly after I got home yesterday, I compiled the module into ARCHCK and all is good. I was just making a point to make it part of the default...since about a billion other modules are included with the arch[ck] kernels already.

tomk wrote:

sesser, rizzix - are you aware that HFS+ support is provided by the kernel? To quote:

<src>/fs/Kconfig wrote:

config HFSPLUS_FS
        tristate "Apple Extended HFS file system support"
        select NLS
        select NLS_UTF8
        help
          If you say Y here, you will be able to mount extended format
          Macintosh-formatted hard drive partitions with full read-write access.
       
          This file system is often called HFS+ and was introduced with
          MacOS 8. It includes all Mac specific filesystem data such as
          data forks and creator codes, but it also has several UNIX
          style features such as file ownership and permissions.

It's not in the Arch kernels, so you'd have to recompile - you'll find it in File systems -> Miscellaneous filesystems -> Apple Extended HFS file system support.

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#16 2005-11-23 08:32:09

codemac
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From: Cliche Tech Place
Registered: 2005-05-13
Posts: 794
Website

Re: ZFS for Linux

rizzix wrote:

no can't do that with the ipod... (won't read on the mac)

If you know you have all your music somewhere other than your iPod, you can go to a friend's windows machine, and format the iPod with FAT32 using Apple's iPod formatter thingy.  Then it will also be readable on your Mac, linux machine, and Windows machine, all while working with itunes.  Happy podding.

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#17 2005-12-05 11:57:07

Gullible Jones
Member
Registered: 2004-12-29
Posts: 4,863

Re: ZFS for Linux

http://en.wikipedia.org/wiki/ZFS

http://www.opensolaris.org/os/community/zfs/whatis/

Jeebus. The sooner this FS gets ported to Linux, the better. :shock:

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#18 2005-12-05 14:39:09

nightfrost
Member
From: Sweden
Registered: 2005-04-16
Posts: 647

Re: ZFS for Linux

I wonder what the kernel devs think about it, considering the whole clash with Hans Reiser and his team. I'm sure if this filesystem would be included before reiser4, it would break Hans's heart in pieces.

Also, i wonder how reiser4 and zfs would compare, i.e. reiser4 + the new plugins added in 4.1...

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#19 2005-12-05 20:32:23

Gullible Jones
Member
Registered: 2004-12-29
Posts: 4,863

Re: ZFS for Linux

Reiser4, for all the performance, is just another FS, and judging from what I've seen not that huge a performance over ReiserFS 3.6. ZFS, on the other hand, looks like it could be absolutely revolutionary. Looking at all the features, I don't think it will matter to anyone if it performs half as well as Reiser4.

As for Reiser's flaming, I could care less. He's the one with the not-quite-complete FS, so he can shut up until his code is ready.

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#20 2005-12-05 20:47:47

nightfrost
Member
From: Sweden
Registered: 2005-04-16
Posts: 647

Re: ZFS for Linux

Gullible Jones wrote:

Reiser4, for all the performance, is just another FS, and judging from what I've seen not that huge a performance over ReiserFS 3.6. ZFS, on the other hand, looks like it could be absolutely revolutionary. Looking at all the features, I don't think it will matter to anyone if it performs half as well as Reiser4.

As for Reiser's flaming, I could care less. He's the one with the not-quite-complete FS, so he can shut up until his code is ready.

Reiser4 is yet another FS? I thought the big fuss amongst the kernel-devs was precisely because reiser4 wasn't yet another fs, but something more/different. But, yeah, you're probably right...

However, I must say I sort of like Reiser's respectless overly paranoid pshychotic defense of his gem. It speaks to my quasi-postmodern fully-detached-from-hyperreality sense of humour... roll

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#21 2005-12-05 20:58:30

Gullible Jones
Member
Registered: 2004-12-29
Posts: 4,863

Re: ZFS for Linux

Okay, it's not just another FS. It performs a bit better than ReiserFS 3.6 and its mount times are more than twice as long. Oh, and it has a plugin system that the kernel devs hate.

I'll pass, I think.

(Oh, and regarding small file performance: try making your ext3 FS with '-O dir_index -T news'. Voila, pacman is as fast as on ReiserFS.)

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#22 2005-12-05 21:10:45

iBertus
Member
From: Greenville, NC
Registered: 2004-11-04
Posts: 2,228

Re: ZFS for Linux

Gullible Jones wrote:

Okay, it's not just another FS. It performs a bit better than ReiserFS 3.6 and its mount times are more than twice as long. Oh, and it has a plugin system that the kernel devs hate.

I'll pass, I think.

(Oh, and regarding small file performance: try making your ext3 FS with '-O dir_index -T news'. Voila, pacman is as fast as on ReiserFS.)

I just use JFS. It seems to work just as well for most stuff and it's never failed me. Can't say that about ext3.

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#23 2006-05-03 14:40:16

Moo-Crumpus
Member
From: Hessen / Germany
Registered: 2003-12-01
Posts: 1,487

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#24 2006-05-03 15:56:25

Neuro
Member
From: Poland
Registered: 2005-10-12
Posts: 352

Re: ZFS for Linux

OMG. My jaw hit the floor. This is way different from how disk space was handled before.

Too bad Linux won't have ZFS in. I do hope however, that BSD will:
http://leaf.dragonflybsd.org/mailarchiv … 00040.html
http://www.netbsd.org/contrib/projects.html#zfs

Heck, this made be think about trying out OpenSolaris this summer (if I'll have time).

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#25 2006-05-03 17:09:01

shadowhand
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From: MN, USA
Registered: 2004-02-19
Posts: 1,142
Website

Re: ZFS for Linux

Wow. Simply.... amazing. It's like LVM, but not.  :twisted:


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