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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: iSCSI: Parameter negotiation QBecause the initiator may not want to send that much/little. Julo
11.14 FirstBurstLength Use: LO Senders: Initiator and Target Scope: SW Irrelevant when: SessionType=Discovery Irrelevant when: ( InitialR2T=Yes and ImmediateData=No ) FirstBurstLength=<numerical-value-512-to-(2**24-1)> Default is 65536 (64 Kbytes). Result function is Minimum. The initiator and target negotiate the maximum amount in bytes of unsolicited data an iSCSI initiator may send to the target during the execution of a single SCSI command. This covers the immediate data (if any) and the sequence of unsolicited Data-Out PDUs (if any) that follow the command. FirstBurstLength MUST NOT exceed MaxBurstLength. I understand we're past the revision stage on iSCSI, but I'm confused by some of the negotiation logic. If FirstBurstLength only relates to the number of bytes Initiator->Target, why would there be a need to negotiate the value versus just having the target declare a maximum (if not equal to the default)? Thanks.
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