November 2001
Intermediate to advanced
320 pages
7h 58m
English
Content preview from IP SANs: A Guide to iSCSI, iFCP, and FCIP Protocols for Storage Area NetworksBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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4.3. Chapter Summary
Operating Systems and SCSI I/O
Applications view storage resources as abstract representations of the underlying physical devices.
I/O requests are generated by applications, files systems, and operating systems.
Logical storage identifiers (for example, the F: drive) are mapped to the SCSI addressing scheme of bus/target/LUN.
The mapping function is provided by device drivers that support SCSI ports or adapters.
The supporting SCSI infrastructure may also provide additional mapping between the conventional bus/target/LUN addressing and the address scheme required for that topology.
SCSI Architectural Model
SAM-2 separates SCSI commands from SCSI delivery protocols and underlying interconnects.
SAM-2 defines SCSI relationships ...
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