Terrible hme throughput
jahnke at sonatabio.com
Wed Sep 27 13:45:04 PDT 2006
I forgot to cc: the list, so here it is.
On Wed, 2006-09-27 at 16:01 -0400, Lucas Holt wrote:
> A few suggestions come to mind. Try another protocol and see what
> type of transfer speeds you get.
It there one you might suggest?
> Test the performance of your hard
> drive reads/writes. Its possible the drive controller is not using
> udma for example. Some of the sun machines only support wdma which
> limits transfers to 16MB/s if it happens to use IDE. Granted, this
> doesn't explain the performance entirely but if there are a lot of
> interrupts for disk IO, it may slow down your network performance.
It is a SCSI drive using 20MB/s transfers at the controller. It has
been tested and it works properly (about 15MB/s speeds). Though not
fast, that should be plenty for a 100Mb/s network (typo in original
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