> > (single threaded) RAID1 performance in 2.4 is limited to the speed of the
> > fastest disk[1]. Can you hdparm -t both your disks seperatly and post the
> > numbers here ?
> 
> I was under the impression that some form of the RAID 1 read balancing
> patch (for the 2.2.x kernels) had been incorporated into 2.4.x.  Is this
> incorrect?

My individual drives clock in at:
hda: 20-22MB/sec
hde: 24-27MB/sec

It certainly seems that there is no read balancing happening; does it make
sense for no read balancing to translate to degraded read performance
with respect to individual drives in the array?

Ross Vandegrift
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