Re: [Lxc-users] nilfs

2012-03-02 Thread Daniel Baumann
On 03/02/2012 08:45 AM, Ulli Horlacher wrote:
 I have tested btrfs on a standard Ubuntu 10.04.3 and one with kernel
 2.6.38-13-server (backport).

i'm not claiming btrfs is there yet, however, if you're using btrfs, you
should at least make sure to use something remotely up2date, say 3.2.x.
no surprise that btrfs in a one year old kernel is crap.

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Re: [Lxc-users] nilfs

2012-03-02 Thread Ulli Horlacher
On Fri 2012-03-02 (09:02), Daniel Baumann wrote:

 i'm not claiming btrfs is there yet, however, if you're using btrfs, you
 should at least make sure to use something remotely up2date, say 3.2.x.

SLES11 SP2 was released this week with a 3.0 kernel and comes with btrfs.
Same b(*CENSORED*)t as always from SuSE. What they label as Enterprise
is Testing on Debian.



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Ullrich Horlacher  Server- und Arbeitsplatzsysteme
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Allmandring 30 Fax:++49-711-682357
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REF: 4f507e79.1030...@progress-technologies.net

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Re: [Lxc-users] nilfs

2012-03-02 Thread Serge Hallyn
Quoting Ulli Horlacher (frams...@rus.uni-stuttgart.de):
 On Fri 2012-03-02 (09:02), Daniel Baumann wrote:
 
  i'm not claiming btrfs is there yet, however, if you're using btrfs, you
  should at least make sure to use something remotely up2date, say 3.2.x.
 
 SLES11 SP2 was released this week with a 3.0 kernel and comes with btrfs.
 Same b(*CENSORED*)t as always from SuSE. What they label as Enterprise
 is Testing on Debian.

Some people have been testing btrfs on 3.1/3.2 kernels (in ubuntu
precise) with good results.

-serge

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Re: [Lxc-users] nilfs

2012-03-02 Thread John Drescher
 Some people have been testing btrfs on 3.1/3.2 kernels (in ubuntu
 precise) with good results.


I am using 3.1 / 3.2 kernels on 64 bit gentoo with btrfs at work on 2
production severs since ~ November of last year. One holds my lxc
containers for a samba bdc while the other container is a secondary
dns server.

John

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Re: [Lxc-users] nilfs

2012-03-01 Thread Iliyan Stoyanov
Hi,

I'm currently using btrfs raid 1 for a production server with 4 LXC
containers (SL6.x) on it (old single core opteron w/ 4GB ECC RAM). The
host is Fedora 16. So far I'm really happy with it. I do create
snapshots of mercurial repos frequently with no problems at all. As to
nilfs, my understanding of the Log based FSs points to them being really
useful for something like a high load mail server. I do have this idea
of testing nilfs for a postfix server, albeit NetBSD one. Could you
share some of your observations of the nilfs and why do you think it
could be beneficial for LXC, besides snapshots, as those can be done
with both LVM and btrfs at this point.

--ilf

On Thu, 2012-03-01 at 18:20 +0100, Ulli Horlacher wrote:

 Has anyone real experience with NILFS (http://www.nilfs.org/)?
 
 A small test of mine with LXC 0.7.5 on Ubuntu 10.04 with NILS was
 sucessfull and I really like to have snapshots, but I have reservations to
 migrate my LXC production environment from ext4 to NILFS. Changing the
 file system is one thing one REALLY have to think of carefully.
 
 
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