Re: severe hardlink bug

2012-08-08 Thread Chris Samuel
On 08/08/2012 04:37 PM, Konstantin Dmitriev wrote: Unfortunately I cannot afford to have unstable patched kernel on the production server. I'd suggest that using btrfs for production servers is probably a bit brave (no matter what Oracle say), and what you've found illustrates the point rath

Re: severe hardlink bug

2012-08-07 Thread Konstantin Dmitriev
Jan Schmidt jan-o-sch.net> writes: > Please give the patch set "btrfs: extended inode refs" by Mark Fasheh a try > (http://lwn.net/Articles/498226/). It eliminates the hard links per directory > limit (introducing a rather random, artificial limit of 64k instead). Hi, Jan! I'm happy to see that t

Re: severe hardlink bug

2012-07-30 Thread Martin Steigerwald
Am Sonntag, 24. Januar 2010 schrieb Michael Niederle: > I'm using btrfs with a kernel 2.6.32.2 (builtin) as the root file > system of a Gentoo Linux installation. Upgrade your kernel! This kernel is wy to old for any production use of BTRFS. Heck, upstream still did not m

Re: severe hardlink bug

2012-07-30 Thread Helmut Hullen
Hallo, Arnd, Du meintest am 30.07.12: >> btrfs only fails when you have hundreds of hardlinks to the same >> file in the *same* directory ... certainly not a standard use case. > Actually, "hundreds of hardlinks" is certainly over optimistic. > In my testing 15 links in the same directory were e

Re: severe hardlink bug

2012-07-30 Thread C Anthony Risinger
On Mon, Jul 30, 2012 at 4:36 AM, Arnd Hannemann wrote: > Am 29.07.2012 21:13, schrieb C Anthony Risinger: >> On Sun, Jul 29, 2012 at 2:02 PM, Konstantin Dmitriev >> wrote: >>> Dipl.-Ing. Michael Niederle gmx.at> writes: >>> I reinstalled over 700 packages - plt-scheme beeing the only one fa

Re: severe hardlink bug

2012-07-30 Thread Arnd Hannemann
Am 29.07.2012 21:13, schrieb C Anthony Risinger: > On Sun, Jul 29, 2012 at 2:02 PM, Konstantin Dmitriev > wrote: >> Dipl.-Ing. Michael Niederle gmx.at> writes: >> >>> I reinstalled over 700 packages - plt-scheme beeing the only one failing >>> due to >>> the btrfs link restriction. >>> >> >> I h

Re: severe hardlink bug

2012-07-30 Thread Jan Schmidt
Hi Konstantin, On Sun, July 29, 2012 at 21:02 (+0200), Konstantin Dmitriev wrote: > Dipl.-Ing. Michael Niederle gmx.at> writes: > >> I reinstalled over 700 packages - plt-scheme beeing the only one failing due >> to >> the btrfs link restriction. >> > > I have hit the same issue - tried to run

Re: severe hardlink bug

2012-07-29 Thread Konstantin Dmitriev
C Anthony Risinger xtfx.me> writes: > btrfs only fails when you have hundreds of hardlinks to the same file > in the *same* directory ... certainly not a standard use case. > > use snapshots to your advantage: > - snap source > - rsync --inplace source to target (with some other opts that have

Re: severe hardlink bug

2012-07-29 Thread C Anthony Risinger
On Sun, Jul 29, 2012 at 2:02 PM, Konstantin Dmitriev wrote: > Dipl.-Ing. Michael Niederle gmx.at> writes: > >> I reinstalled over 700 packages - plt-scheme beeing the only one failing due >> to >> the btrfs link restriction. >> > > I have hit the same issue - tried to run BackupPC with a pool on

Re: severe hardlink bug

2012-07-29 Thread Konstantin Dmitriev
Dipl.-Ing. Michael Niederle gmx.at> writes: > I reinstalled over 700 packages - plt-scheme beeing the only one failing due > to > the btrfs link restriction. > I have hit the same issue - tried to run BackupPC with a pool on btrfs filesystem. After some time the error of "too many links (31)"

Re: severe hardlink bug

2010-01-25 Thread Chris Mason
On Sun, Jan 24, 2010 at 12:04:32PM +0100, Stephan von Krawczynski wrote: > On Sun, 24 Jan 2010 09:09:44 +0100 > Goffredo Baroncelli wrote: > > > On Sunday 24 January 2010, Michael Niederle wrote: > > > I'm using btrfs with a kernel 2.6.32.2 (builtin) as the root file system > > > of > > a > > >

Re: severe hardlink bug

2010-01-24 Thread Dipl.-Ing. Michael Niederle
Hi, Goffredo! I understood that a disk layout change will be necessary to accomodate for a bigger total filename-space per file. So it is best done at once when more issues arise that will need layout changes. To recreate the error situation you need a Gentoo Linux with a btrfs root file system a

Re: severe hardlink bug

2010-01-24 Thread Goffredo Baroncelli
On Sunday 24 January 2010, you (Dipl.-Ing. Michael Niederle) wrote: > Hi, Goffredo! > > > See this thread: > > > Mass-Hardlinking Oops - May be that the link was broken in two line in the previous mail. I copied again the ling. please give a try to see the thread. http://thread.gmane.org/gmane

Re: severe hardlink bug

2010-01-24 Thread Dipl.-Ing. Michael Niederle
Hi, Goffredo! > See this thread: > Mass-Hardlinking Oops - http://thread.gmane.org/gmane.comp.file- > systems.btrfs/3427 Sorry, I didn't find the thread myself - despite of massive googeling. :-( The gentoo scenario however is a real world application - no artificial situation, so it would be r

Re: severe hardlink bug

2010-01-24 Thread Stephan von Krawczynski
On Sun, 24 Jan 2010 09:09:44 +0100 Goffredo Baroncelli wrote: > On Sunday 24 January 2010, Michael Niederle wrote: > > I'm using btrfs with a kernel 2.6.32.2 (builtin) as the root file system of > a > > Gentoo Linux installation. > > > > While attempting to install the plt-scheme package a stra

Re: severe hardlink bug

2010-01-24 Thread Goffredo Baroncelli
On Sunday 24 January 2010, Michael Niederle wrote: > I'm using btrfs with a kernel 2.6.32.2 (builtin) as the root file system of a > Gentoo Linux installation. > > While attempting to install the plt-scheme package a strange error about link > counts occurred ([Error 31] Too many Links). See th

severe hardlink bug

2010-01-23 Thread Michael Niederle
I'm using btrfs with a kernel 2.6.32.2 (builtin) as the root file system of a Gentoo Linux installation. While attempting to install the plt-scheme package a strange error about link counts occurred ([Error 31] Too many Links). I was able to create a simple scenario to reproduce the error: Creat