RE: iSCSI: Need to Kill Session from Surviving Node

[Douglas Otis <dotis@sanlight.net>]

David,

That would seem to make the problem worse.  Due to a single digest error,
you dump the entire lot connected to an IP?

Doug

> > What I was trying to get at is ---  trying to enable the
> > Surviving Node (which has no TCP/IP state from the Failing
> > node) to get the Initiator, which had a previous Session with
> > the Failing Node to take actions right away, and not wait
> > for its TCP/IP connections with the Failed Node to Time Out.
> > (This requires some sort of a message from the Surviving
> > node back to an Initiator.) This is not quite what we have
> > defined into iSCSI.
>
> Since this is a TCP problem (get the connection to close),
> iSCSI may not need to do anything ... what about failing over
> the IP address and responding with ICMP Destination Unreachable
> to anything that arrives on that failed-over IP address?
> Implementations of this probably need to support multiple
> IP addresses on a single network interface, which is not a
> big deal.
>
> --David
> ---------------------------------------------------
> David L. Black, Senior Technologist
> EMC Corporation, 42 South St., Hopkinton, MA  01748
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>