On Fri, 13 Nov 2009, inouk wrote:

Sounds like a bus bottleneck, as if two HD's can't use the same bus for data transfert. I don't know the hardware specifications of Netra X1, though

Maybe it uses Ultra-160 SCSI like my Sun Blade 2500? This does constrain performance, but due to simultaneous writes (to each side if the mirror) rather than reads.

If it is using parallel SCSI, perhaps there is a problem with the SCSI bus termination or a bad cable?

Bob
--
Bob Friesenhahn
bfrie...@simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/
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