CoryXie

一垄青竹映陋室，半枝桃花衬碧窗。
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随笔分类 -  File Systems & Storage

Low-overhead enhancement of reliability of journaled file system using solid state storage and de-duplication
摘要：A mechanism is provided in a data processing system for reliable asynchronous solid-state device based de-duplication. Responsive to receiving a write request to write data to the file system, the mec... 阅读全文
posted @ 2014-11-05 17:18 CoryXie

Low overhead memory space management
摘要：Methods, apparatus, and systems, including computer programs encoded on a computer storage medium, manage an address space. In some implementations, a method includes managing an allocation data struc... 阅读全文
posted @ 2014-10-20 22:06 CoryXie

Linux I/O scheduler for solid-state drives
摘要：An I/O scheduler and a method for scheduling I/O requests to a solid-state drive (SSD) is disclosed. The I/O scheduler in accordance with the present disclosure bundles the write requests in such a fo... 阅读全文
posted @ 2014-09-20 23:00 CoryXie

Global UNIX file system cylinder group cache
摘要：A globalcylindergroup(CG) cache is stored in file server memory and shared by a plurality of file systems supported by the file server. The global CG cache comprises a number CG entries which are p... 阅读全文
posted @ 2014-09-17 00:32 CoryXie

File System Design Case Studies
摘要：SRC=http://www.cs.rutgers.edu/~pxk/416/notes/13-fs-studies.html Paul Krzyzanowski April 24, 2014 Introduction We've studied various approaches to file system design. Now we'll look at some real file... 阅读全文
posted @ 2014-09-17 00:25 CoryXie

Real-time storage area network
摘要：A cluster of computing systems is provided with guaranteed real-time access to data storage in a storage area network. Processes issue request for bandwidth reservation which are initially handled by ... 阅读全文
posted @ 2014-08-07 10:30 CoryXie

Clustered filesystem with membership version support
摘要：A computer system with read/write access to storage devices creates a snapshot of a data volume at a point in time while continuing to accept access requests to the mirrored data volume by copying bef... 阅读全文
posted @ 2014-08-07 09:54 CoryXie

Method and Apparatus for Providing Highly-Scalable Network Storage for Well-Gridded Objects
摘要：An apparatus comprising a plurality of storage nodes comprising a plurality of corresponding storage disks and configured to store data in a distributed manner between the storage disks that achieves ... 阅读全文
posted @ 2014-08-07 00:07 CoryXie

Disk array controller and information processing apparatus
摘要：A disk array controller has a function of relocating a plurality of data blocks stored in a disk array. The controller includes a read unit which reads data blocks to be relocated from the disk array,... 阅读全文
posted @ 2014-08-06 23:53 CoryXie

Extension of write anywhere file system layout
摘要：A file system layout apportions an underlying physical volume into one or more virtual volumes (vvols) of a storage system. The underlying physical volume is an aggregate comprising one or more groups... 阅读全文
posted @ 2014-08-06 17:53 CoryXie

Extensible File System
摘要：An extensible file system format for portable storage media is provided. The extensible file system format includes the specification of primary and secondary directory entry types that may be custom ... 阅读全文
posted @ 2014-08-06 16:41 CoryXie

一种软件定义的固态盘融合存储方法
摘要：本发明公开了一种软件定义的固态盘融合存储方法，在主机端增加主机端融合存储层HFSL（HostFusionStorageLayer），直接获取固态盘的物理块特性以及使用过程中的统计信息，结合上层数据访问特点进行固态盘的复杂IO调度及管理，以及分配粒度可变的地址映射方法实现固态盘持久化的高性能。本发明在主机端实现对NANDFLASH的性能优化以及PCM与NANDFLASH融合的存储管理，利用... 阅读全文
posted @ 2014-08-06 16:07 CoryXie

Parallel file system processing
摘要：A treewalk for splitting a file directory is disclosed for parallel execution of work items over a filesystem. The given work item is assigned to a worker. Thereafter, a request is sent to split the f... 阅读全文
posted @ 2014-08-05 00:33 CoryXie

Valid page threshold based garbage collection for solid state drive
摘要：A method for garbage collection in a solid state drive (SSD) includes determining whether the SSD is idle by a garbage collection module of the SSD; based on determining that the SSD is idle, determin... 阅读全文
posted @ 2014-08-04 23:49 CoryXie

Variability aware wear leveling
摘要：Techniques are presented that include determining, for data to be written to a nonvolatile memory, a location in the nonvolatile memory to which the data should be written based at least on one or mor... 阅读全文
posted @ 2014-08-04 23:15 CoryXie

Virtualization of iSCSI storage
摘要：This invention describes methods, apparatus and systems for virtualization of iSCSI storage. Virtual storage isolates the clients from the management of physical storage resources. In this invention, ... 阅读全文
posted @ 2014-08-03 23:44 CoryXie

Method of offloading iSCSI TCP/IP processing from a host processing unit, and related iSCSI TCP/IP offload engine
摘要：A method of offloading, from a host data processing unit (205), iSCSI TCP/IP processing of data streams coming through at least one TCP/IP connection (3071,3072,3073), and a related iSCSI TCP/IP O... 阅读全文
posted @ 2014-08-03 22:59 CoryXie

Extensible Access Control List Framework
摘要：Methods, systems, and products for governing access to objects on a filesystem. In one general embodiment, the method includes providing a framework in an operating system environment for support of a... 阅读全文
posted @ 2014-08-03 18:04 CoryXie