Re: alternative file systems

2014-10-25 Thread lee
Reco recovery...@gmail.com writes: One of the disadvantages with mdadm is that it can severely impact performance. Agreed. Still, I view RAID as a disaster prevention tool first, and any performance increases come only second if they do at all. Yes --- disk failures are so frequent that

Re: alternative file systems

2014-10-18 Thread Reco
Hi. On Fri, 17 Oct 2014 03:00:26 +0200 lee l...@yagibdah.de wrote: Reco recovery...@gmail.com writes: On Sun, Oct 12, 2014 at 03:33:15AM +0200, lee wrote: A correct guess. A recommended minimum is kernel 3.14 - [2]. So this is a rather new feature. How reliable and how well does

Re: alternative file systems

2014-10-18 Thread Reco
Hi. On Fri, 17 Oct 2014 18:24:16 -0400 Steve Litt sl...@troubleshooters.com wrote: On Fri, 17 Oct 2014 03:00:26 +0200 lee l...@yagibdah.de wrote: But when it eats files and is 10 years behind, why are people buying it? So how can we safely store large amounts of data? I

Re: alternative file systems

2014-10-18 Thread Steve Litt
On Sat, 18 Oct 2014 12:06:17 +0400 Reco recovery...@gmail.com wrote: Hi. On Fri, 17 Oct 2014 18:24:16 -0400 Steve Litt sl...@troubleshooters.com wrote: On Fri, 17 Oct 2014 03:00:26 +0200 lee l...@yagibdah.de wrote: But when it eats files and is 10 years behind, why are people

Re: alternative file systems

2014-10-18 Thread Scott Ferguson
On 19/10/14 00:14, Steve Litt wrote: On Sat, 18 Oct 2014 12:06:17 +0400 Reco recovery...@gmail.com wrote: Hi. On Fri, 17 Oct 2014 18:24:16 -0400 Steve Litt sl...@troubleshooters.com wrote: On Fri, 17 Oct 2014 03:00:26 +0200 lee l...@yagibdah.de wrote: But when it eats files and is

Re: alternative file systems

2014-10-17 Thread lee
John Holland jholl...@vin-dit.org writes: http://zfsonlinux.org/faq.html#WhatKernelVersionsAreSupported Debian 7.0 (Wheezy) - x86_64 Unfortunately, that isn't sufficiently recent. -- Again we must be afraid of speaking of daemons for fear that daemons might swallow us. Finally, this fear

Re: alternative file systems

2014-10-17 Thread lee
Reco recovery...@gmail.com writes: On Sun, Oct 12, 2014 at 03:33:15AM +0200, lee wrote: A correct guess. A recommended minimum is kernel 3.14 - [2]. So this is a rather new feature. How reliable and how well does it work? I wouldn't trust my data to that feature :) It has 'experimental'

Re: alternative file systems

2014-10-17 Thread lee
John Holland jholl...@vin-dit.org writes: I don't see zfs as super fast, lvm based raid would be faster. But the snapshots and other features are awesome. I love cloning a vm instantly. And not to forget the checksumming :) The checksumming is the nicer the more data you store. But

Re: alternative file systems

2014-10-17 Thread Steve Litt
On Fri, 17 Oct 2014 03:00:26 +0200 lee l...@yagibdah.de wrote: But when it eats files and is 10 years behind, why are people buying it? So how can we safely store large amounts of data? I thought Postgres was supposed to be powerful, stable, reliable, and great for lots of data. SteveT

Re: alternative file systems

2014-10-17 Thread lee
Steve Litt sl...@troubleshooters.com writes: On Fri, 17 Oct 2014 03:00:26 +0200 lee l...@yagibdah.de wrote: But when it eats files and is 10 years behind, why are people buying it? So how can we safely store large amounts of data? I thought Postgres was supposed to be powerful, stable,

Re: alternative file systems

2014-10-13 Thread Reco
On Sun, Oct 12, 2014 at 03:33:15AM +0200, lee wrote: A correct guess. A recommended minimum is kernel 3.14 - [2]. So this is a rather new feature. How reliable and how well does it work? I wouldn't trust my data to that feature :) It has 'experimental' and 'biohazard' labels strapped

Re: alternative file systems

2014-10-12 Thread lee
Eduardo M KALINOWSKI edua...@kalinowski.com.br writes: On 10/10/2014 10:20 PM, lee wrote: The license of ZFS makes it impossible to be part of the kernel per se. The DKMS system is well known for supporting kernel modules for video and wireless hardware among others. So there isn't really

Re: alternative file systems

2014-10-12 Thread lee
Reco recovery...@gmail.com writes: Hi. On Sat, 11 Oct 2014 03:20:50 +0200 lee l...@yagibdah.de wrote: The license of ZFS makes it impossible to be part of the kernel per se. The DKMS system is well known for supporting kernel modules for video and wireless hardware among others. So

Re: alternative file systems

2014-10-12 Thread John Holland
I've been running Zfsonlinux.org zfs on debian for maybe two years. I don't have root fs on zfs. I keep a working copy of the system dirs I have mounted on zfs on ext3. (Var and usr). ONE time, the dkms had problems and I was glad I had those extra copies (rsync from the zfs ones in a cron job)

Re: alternative file systems (was: Re: lvm: creating a snapshot)

2014-10-12 Thread John Holland
http://zfsonlinux.org/faq.html#WhatKernelVersionsAreSupported On October 10, 2014 9:20:50 PM EDT, lee l...@yagibdah.de wrote: John Holland jholl...@vin-dit.org writes: I'm having very good results using their repo and DKMS system to build support into kernel modules. It's very easy to set up.

Re: alternative file systems

2014-10-11 Thread Eduardo M KALINOWSKI
On 10/10/2014 10:20 PM, lee wrote: The license of ZFS makes it impossible to be part of the kernel per se. The DKMS system is well known for supporting kernel modules for video and wireless hardware among others. So there isn't really any way to tell whether it works or not? Which kernel

Re: alternative file systems (was: Re: lvm: creating a snapshot)

2014-10-11 Thread Reco
Hi. On Sat, 11 Oct 2014 03:20:50 +0200 lee l...@yagibdah.de wrote: The license of ZFS makes it impossible to be part of the kernel per se. The DKMS system is well known for supporting kernel modules for video and wireless hardware among others. So there isn't really any way to tell

alternative file systems (was: Re: lvm: creating a snapshot)

2014-10-10 Thread lee
John Holland jholl...@vin-dit.org writes: I'm having very good results using their repo and DKMS system to build support into kernel modules. It's very easy to set up. I'm using it with Linux 3.2.0. Does it work with Debians 3.16 kernels? The license of ZFS makes it impossible to be part of