System and method for supporting file and block access to storage object on a storage appliance
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United States of America Patent
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Apr 19, 2011
Grant Date -
Dec 13, 2007
app pub date -
Jun 28, 2007
filing date -
Apr 11, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A technique enables application data stored on storage devices of a storage system to be accessible by a client as either a file or logical unit number (lun). The storage system is illustratively embodied as a multi-protocol storage appliance having a storage operating system that implements a file system. The file system logically organizes the application data as a virtual disk (vdisk) comprising a plurality of inodes including a prefix stream inode, a lun inode (storing the application data) and a suffix stream inode. The prefix and suffix stream inodes allow the vdisk to be shared over a block-based protocol or a file-based protocol by enabling apportionment of client operating system dependent storage device contents from application data contents of the vdisk.
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