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| ch10_handbook:data_retrieval [2014/04/11 14:39] – created bob | ch10_handbook:data_retrieval [2014/04/11 21:46] – bob |
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| mechanisms: | mechanisms: |
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| * Static Configuration: This mechanism assumes that the IP address, TCP port, and the iSCSI target name information are already available to the initiator. The initiators need to perform no discovery in this approach. The initiator uses the IP address and the TCP port information to establish a TCP connection; it also uses the iSCSI target name information to establish an iSCSI session. This discovery option is convenient | * Static Configuration: This mechanism assumes that the IP address, TCP port, and the iSCSI target name information are already available to the initiator. The initiators need to perform no discovery in this approach. The initiator uses the IP address and the TCP port information to establish a TCP connection; it also uses the iSCSI target name information to establish an iSCSI session. This discovery option is convenient for small iSCSI setups. |
| for small iSCSI setups. | |
| * SendTargets: This mechanism assumes that the target's IP address and TCP port information are already available to the initiator. The initiator then uses this information to establish a discovery session to the Network Entity. The initiator then subsequently issues the SendTargets text command to query information about the iSCSI targets available at the particular Network Entity (IP address). | * SendTargets: This mechanism assumes that the target's IP address and TCP port information are already available to the initiator. The initiator then uses this information to establish a discovery session to the Network Entity. The initiator then subsequently issues the SendTargets text command to query information about the iSCSI targets available at the particular Network Entity (IP address). |
| * Zero-Configuration: This mechanism assumes that the initiator does not have any information about the target. In this option, the initiator can either multicast discovery messages directly to the targets or it can send discovery messages to storage name servers. Currently, there are many general purpose discovery | * Zero-Configuration: This mechanism assumes that the initiator does not have any information about the target. In this option, the initiator can either multicast discovery messages directly to the targets or it can send discovery messages to storage name servers. Currently, there are many general purpose discovery frameworks available. Service Location Protocol (SLP [RFC2608] and Internet Storage Name Service (iSNS [iSNS]) are two popular discovery protocols. |
| frameworks available. Service Location Protocol (SLP [RFC2608] and Internet Storage Name Service (iSNS [iSNS]) are two popular discovery protocols. | |
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| Target discovery is not specified in Chapter 10. | Target discovery is not specified in Chapter 10. |
