[linux-lvm] Performance problem.
mpaesold at gmx.at
Mon Nov 17 11:40:02 UTC 2003
TCQ = tagged command queuing - for ide?
However, please report about success.
Also there is this tool called elvtune. It allowes you to "tune the I/O
elevator per blockdevice queue basis". See the man pages.
You could try to lower the read latency for the affected devices (/dev/hda,
> 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
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