Re: iSCSI ERT: data SACK/replay buffer/"semi-transport"

[Santosh Rao <santoshr@cup.hp.com>]

julian_satran@il.ibm.com wrote:
> 
> Jon,
> 
> Inexpensive implementation are always free to do away with recovery. That
> si true for targets too.

That's not the interpretation one gets from reading the spec and prior
discussions on this list. Per the spec, support for Status SACK is
mandatory while support for data SACK is optional. 

IOW, targets MUST retains state information to satisfy a potential
status SACK request.

- Santosh


> But not specifying the mechanism for the more expensive one we make them
> non-interoperable.
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