【摘 要】
：
The ideal storage virtualization system is compatible with all operating systems in storage area networks (SANs). However, current storage systems on clustered
【机 构】
：
Department of Computer Science and Technology
【基金项目】
：
国家高技术研究发展计划(863计划)
论文部分内容阅读
The ideal storage virtualization system is compatible with all operating systems in storage area networks (SANs). However, current storage systems on clustered hosts and multiple operating systems are not practical. This paper presents a storage virtualization system based on a SCSI target simulator in a SAN to solve these problems. This storage virtualization system runs in the target hosts of the SAN, dynamically stores the physical information, and uses the mapping table method to modify the SCSI command addresses. The system uses the bitmap technique to manage the free space. The storage virtualization system provides various functions, such as logical volume resizing, data mirroring, and snapshots, and is compatible with clustered hosts and multiple operating systems, such as Windows NT and RedHat.
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