[linux-lvm] Performance problem.

neuron neuron at hollowtube.mine.nu
Mon Nov 17 11:00:01 UTC 2003


That's actually a very good idea, /me 's gonna test that before 2.6.

> Thought about trying TCQ for the IDE disks?
> 
> On Mon, 2003-11-17 at 10:34, Jean-louis MATTON wrote:
> > what is your hardware config, mainly for disks ?
> > in the if I use LVM on top of ide disks some big file transfert, like 
> > ftp tar ..., the system hang  during the file manipulation.
> > when moving the same config on SCSI disk I never see this situation.
> > 
> > My config is soft raid1 + lvm + ext3 fs
> > 
> > JL
> > 
> > neuron wrote:
> > 
> > >I've had lvm running on my server for quite a while now, not sure if
> > this problem has always been there, or if it just occured.
> > 
> > >
> > >If I through smb listen to music, and then on the server rm a file
> > about 500mb in size, the music will stop.  Now this is just an
> > example, it's like the entire filesystem stops while removing the
> > file.  Running reiserfs ontop of lvm.  Also, when copying through
> > ftp/smb from the server, I max on about 6mb/sec, which is far from the
> > 12.1mb/sec avrange I've gotten out of that network card before (on a
> > slower computer).
> > 
> > >
> > >Any suggestions on how to improve performance?
> > >
> > >(I realize more information is probably preferable, so just tell me
> > what info you would need, as I'm not really skilled with lvm (= I also
> > don't have anything fancy like a fake raid running)).
> > 
> > >
> > >neuron
> > >
> > >_______________________________________________
> > >linux-lvm mailing list
> > >linux-lvm at sistina.com
> > >http://lists.sistina.com/mailman/listinfo/linux-lvm
> > >read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
> > >  
> > >
> > 
> > -- 
> > Enthusiasm continues to make the difference !
> > 
> > *********************************************************************
> > Jean-Louis Matton                     Cliniques universitaires St LUC
> > tel        +32.2.764.37.13                     av. Hippocrate 10/ SIH
> > fax        +32.2.764.89.22                     B-1200 Bruxelles
> > Jean-Louis.Matton at clin.ucl.ac.be               BELGIUM
> > www.saintluc.be
> > *********************************************************************
> >                                           
> > 
> > 
> > 
> > _______________________________________________
> > linux-lvm mailing list
> > linux-lvm at sistina.com
> > http://lists.sistina.com/mailman/listinfo/linux-lvm
> > read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
> -- 
> Austin Gonyou <austin at coremetrics.com>
> Coremetrics, Inc.
> 
> _______________________________________________
> linux-lvm mailing list
> linux-lvm at sistina.com
> http://lists.sistina.com/mailman/listinfo/linux-lvm
> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
> 




More information about the linux-lvm mailing list