filesystem/block-level deduplication (was Re: zfs-fuse or zfsonlinux)

2012-05-12 Thread Jon Dowland
On Thu, May 10, 2012 at 07:14:36AM -0600, Aaron Toponce wrote: > A word of caution: as tempting as deduplication might be, avoid it. Unless > you have significant RAM, and a fast RAID-0 SSD ZIL, I would advise against > it. It causes massive performance problems, and the benefit isn't worth the > c

Re: ..neat wee litigation trap, was: zfs-fuse or zfsonlinux

2012-05-12 Thread Jon Dowland
On Sat, May 12, 2012 at 05:52:49PM +0200, Arnt Karlsen wrote: > ..another question is, what kinda performance enhanchement can > zfs-fuse or zfsonlinux deliver, 5%, 50% or even 500%, compared > to the best GPL file systems? And, no risk of vendor lock-in? Performance is a multi-face

Re: ..neat wee litigation trap, was: zfs-fuse or zfsonlinux

2012-05-12 Thread Jon Dowland
On Sat, May 12, 2012 at 08:25:04AM -0600, Aaron Toponce wrote: > If it's a problem with the module, contact the module maintainers. If it's a > problem with the kernel, unload the module, and contact the kernel > maintainers. I don't see the problem. Please read up on tainted mode. You can't just

Re: ..neat wee litigation trap, was: zfs-fuse or zfsonlinux

2012-05-12 Thread Arnt Karlsen
load it. For that, the license > > could be proprietarded. > > It's a problem if you ever want help if/when there's a bug or problem > with the module, since the kernel will be marked 'tainted'. ..another question is, what kinda performance enhanchement can zfs-

Re: ..neat wee litigation trap, was: zfs-fuse or zfsonlinux

2012-05-12 Thread Aaron Toponce
On Sat, May 12, 2012 at 09:09:14AM +0100, Jon Dowland wrote: > It's a problem if you ever want help if/when there's a bug or problem with the > module, since the kernel will be marked 'tainted'. If it's a problem with the module, contact the module maintainers. If it's a problem with the kernel, u

Re: ..neat wee litigation trap, was: zfs-fuse or zfsonlinux

2012-05-12 Thread Jon Dowland
On Fri, May 11, 2012 at 09:27:36AM -0600, Aaron Toponce wrote: > And it's not a problem as a kernel module either, seeing as though it's the > user who has to manually load it. For that, the license could be > proprietarded. It's a problem if you ever want help if/when there's a bug or problem wit

Re: ..neat wee litigation trap, was: zfs-fuse or zfsonlinux

2012-05-11 Thread Arnt Karlsen
On Fri, 11 May 2012 09:27:36 -0600, Aaron wrote in message <20120511152735.gn21...@eightyeight.xmission.com>: > On Fri, May 11, 2012 at 02:32:54PM +0100, Jon Dowland wrote: > > Yes that's what I was referring to. The CDDL is incompatible with > > the GPL, but it is fine with the BSD license, so D

Re: ..neat wee litigation trap, was: zfs-fuse or zfsonlinux

2012-05-11 Thread Arnt Karlsen
On Fri, 11 May 2012 14:32:54 +0100, Jon wrote in message <20120511133254.GD1319@debian>: > On Thu, May 10, 2012 at 06:40:53PM +0200, Arnt Karlsen wrote: > > ..it is (at least in theory) possible to crack both GNU/Linux and > > */kfreeBSD at the same time, and it is also possible to attack > > GN

Re: ..neat wee litigation trap, was: zfs-fuse or zfsonlinux

2012-05-11 Thread Aaron Toponce
On Fri, May 11, 2012 at 02:32:54PM +0100, Jon Dowland wrote: > Yes that's what I was referring to. The CDDL is incompatible with the GPL, but > it is fine with the BSD license, so Debian GNU/KFreeBSD doesn't have those > problems. And it's not a problem as a kernel module either, seeing as though

Re: ..neat wee litigation trap, was: zfs-fuse or zfsonlinux

2012-05-11 Thread Jon Dowland
On Thu, May 10, 2012 at 06:40:53PM +0200, Arnt Karlsen wrote: > ..it is (at least in theory) possible to crack both GNU/Linux and > */kfreeBSD at the same time, and it is also possible to attack > GNU Hurd at the same time as the former 2, even if I agree with > Microsoft FUD that by extension hol

Re: zfs-fuse or zfsonlinux

2012-05-10 Thread Arnt Karlsen
On Thu, 10 May 2012 14:18:37 +0100, Lists wrote in message <4fabc02d.8080...@coffeehabit.net>: > On 09/05/2012 23:22, Arnt Karlsen wrote: > > > > ..exactly _what_ should it do for you? > > > > > > ..after that, you'll be ready for the _how_. > > I know the what and why of what I'm doing. Why d

..neat wee litigation trap, was: zfs-fuse or zfsonlinux

2012-05-10 Thread Arnt Karlsen
On Thu, 10 May 2012 11:42:36 +0100, Jon wrote in message <20120510104236.GL8272@debian>: > On Thu, May 10, 2012 at 12:22:35AM +0200, Arnt Karlsen wrote: > > On Wed, 9 May 2012 19:18:28 +0100, Jon wrote in message > > <20120509181828.GG8272@debian>: > > > > > On Wed, May 09, 2012 at 07:07:51PM +

Re: zfs-fuse or zfsonlinux

2012-05-10 Thread Aaron Toponce
On Thu, May 10, 2012 at 02:43:37PM +0100, Lists wrote: > Is Time Slider a feature for ZFS or (Open)Solaris? It seems to be > the latter. It is a feature of ZFS native. It's available in the http://zfsonlinux.org project. -- . o . o . o . . o o . . . o . . . o . o o o . o . o o .

Re: zfs-fuse or zfsonlinux

2012-05-10 Thread Lists
Hi Aaron, Thanks for your thorough response. On 10/05/2012 14:14, Aaron Toponce wrote: a year or so, also with zero issues. In fact, if you use Time Slider with frequent snapshots, it becomes trivial to restore data should corruption occur. Is Time Slider a feature for ZFS or (Open)Solaris? It

Re: zfs-fuse or zfsonlinux

2012-05-10 Thread Lists
On 09/05/2012 19:18, Jon Dowland wrote: On Wed, May 09, 2012 at 07:07:51PM +0100, Lists wrote: I'm looking at using ZFS for a box that will serve as a storage/backup box. I'm aware of Debian/kFreeBSD, which seems to be the best solution if I want to use Debian, but it does introduce some limita

Re: zfs-fuse or zfsonlinux

2012-05-10 Thread Aaron Toponce
On Wed, May 09, 2012 at 07:07:51PM +0100, Lists wrote: > I'm looking at using ZFS for a box that will serve as a > storage/backup box. I'm aware of Debian/kFreeBSD, which seems to be > the best solution if I want to use Debian, but it does introduce > some limitations, so I haven't decided on it (

Re: zfs-fuse or zfsonlinux

2012-05-10 Thread Jon Dowland
On Thu, May 10, 2012 at 12:22:35AM +0200, Arnt Karlsen wrote: > On Wed, 9 May 2012 19:18:28 +0100, Jon wrote in message > <20120509181828.GG8272@debian>: > > > On Wed, May 09, 2012 at 07:07:51PM +0100, Lists wrote: > > > I'm looking at using ZFS for a box that will serve as a > > > storage/backup

Re: zfs-fuse or zfsonlinux

2012-05-09 Thread Arnt Karlsen
On Wed, 9 May 2012 19:18:28 +0100, Jon wrote in message <20120509181828.GG8272@debian>: > On Wed, May 09, 2012 at 07:07:51PM +0100, Lists wrote: > > I'm looking at using ZFS for a box that will serve as a > > storage/backup box. I'm aware of Debian/kFreeBSD, which seems to be ..if you're parano

Re: zfs-fuse or zfsonlinux

2012-05-09 Thread Jon Dowland
On Wed, May 09, 2012 at 07:07:51PM +0100, Lists wrote: > I'm looking at using ZFS for a box that will serve as a > storage/backup box. I'm aware of Debian/kFreeBSD, which seems to be > the best solution if I want to use Debian, but it does introduce > some limitations, so I haven't decided on it (

zfs-fuse or zfsonlinux

2012-05-09 Thread Lists
Hi guys, I'm looking at using ZFS for a box that will serve as a storage/backup box. I'm aware of Debian/kFreeBSD, which seems to be the best solution if I want to use Debian, but it does introduce some limitations, so I haven't decided on it (yet). There are two solutions for linux: [1] z