On Mon, 7 Apr 2008, Ross wrote:

> However that doesn't necessarily mean it's ready for production use. 
> ZFS will hang for 3 mins (180 seconds) waiting for the iSCSI client 
> to timeout.  Now I don't know about you, but HA to me doesn't mean 
> "Highly Available, but with occasional 3 minute breaks".  Most of 
> the client applications we would want to run on ZFS would be broken 
> with a 3 minute delay returning data, and this was enough for us to 
> give up on ZFS over iSCSI for now.

It seems to me that this is a problem with the iSCSI client timeout 
parameters rather than ZFS itself.  Three minutes is sufficient for 
use over the "internet" but seems excessive on a LAN.  Have you 
investigated to see if the iSCSI client timeout parameters can be 
adjusted?

Bob
======================================
Bob Friesenhahn
[EMAIL PROTECTED], http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/

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