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Re: iSCSI: One Node or Two?
David- The "or" is meant to be a non-exclusive or. An iSCSI Node can be both an initiator and a target, and have the same iSCSI name for both. See draft-ietf-ips-iscsi-name-disc-04: > 2. iSCSI Names > > The main addressable, discoverable entity in iSCSI is an iSCSI > Node. An iSCSI node can be either an initiator, a target, or > both. I agree that we should fix up the wording in the iSCSI draft to clarify this. How about changing: Section 1. Definitions: > - iSCSI Name: The name of an iSCSI initiator or iSCSI target. To: - iSCSI Name: The name of an iSCSI node, which can be an iSCSI initiator, target, or both. 2.5.1 iSCSI Architecture Model > b) iSCSI Node - The iSCSI Node represents a single iSCSI > initiator or iSCSI target. There are one or more iSCSI > Nodes within a Network Entity. To: b) iSCSI Node - The iSCSI Node represents a single iSCSI initiator and/or iSCSI target. An iSCSI Node can be both and initiator and a target. There are one or more iSCSI Nodes within a Network Entity. I think that these two changes should clear this up. -- Mark David Dillard wrote: > > As defined in the latest draft an iSCSI Node "... represents a single iSCSI > initiator or iSCSI target." > > By this definition an LU that acts as both an initiator and a target, such > as a data mover for extended copy, is two iSCSI nodes. This LU will have > two iSCSI names, one for the initiator side of the LU and one for the > target. Therefore, there will be two iSNS "entries" for this LU. > > My question is: Is this intended? > > Regards, > > David -- Mark A. Bakke Cisco Systems firstname.lastname@example.org 763.398.1054
Last updated: Mon Jan 28 13:17:57 2002
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