Announcing OpenSolaris Project COMSTAR: Common Multiprotocol SCSI Target

COMSTAR is the software framework to use a Solaris host as a SCSI Target platform. COMSTAR uses a modular approach to break the huge task of handling all the different pieces in a SCSI target subsystem into independent functional modules, which are glued together by the SCSI Target Mode Framework (STMF). The modules implementing functionality at SCSI level (disk, tape, medium changer etc.) are not required to know about the underlying transport. And the modules implementing the transport protocol (Fibre Channel, iSCSI etc.) are not aware of the SCSI-level functionality of the packets they are transporting. The framework hides the details of allocation, providing execution context and cleanup of SCSI commands and associated resources, and simplifies the task of writing the SCSI or transport modules.

visit OpenSolaris.org for more information on COMSTAR

Comments:

And so what happens to the existing Target implementation? Does this mean all existing shops deploying with the iSCSI Target should get ready to dump it and switch to comstar eventually?

Posted by benr on August 17, 2007 at 03:29 AM PDT #

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