公开(公告)号：WO2014159383A3

公开(公告)日：2014-10-02

申请号：PCT/US2014/023315

申请日：2014-03-11

Applicant: MICROSOFT CORPORATION

Inventor： CHRISTIANSEN, Neal Robert ,  CHAN, Daniel ,  DAS, Rajsekhar ,  PANG, Juan-Lee ,  SMITH, Malcolm James ,  HERRON, Andrew

IPC: G06F3/06 ,  G06F17/30

Abstract: A file system that operates on an underlying volume that has multiple tiers, each tier including a particular trait set. Upon creating or otherwise identifying a file system namespace (such as a directory or file) that is in a volume or that is to be included within the volume, a storage trait set to be applied corresponding to the file system namespace is identified. Then, the storage trait set is compared against the trait sets for the multiple tiers to identify a tier into which to store the file system namespace. The file system namespace is then caused to be stored within the identified tier. Thus, the file system is provided with a volume that has multiple tiers (each having different trait sets) to choose from in storing files.

公开(公告)号：WO2014158213A1

公开(公告)日：2014-10-02

申请号：PCT/US2013/058834

申请日：2013-09-09

Applicant: MICROSOFT CORPORATION

Inventor： GARSON, Matt ,  CHRISTIANSEN, Neal ,  HAVEWALA, Sarosh ,  RAJPAL, Shiv ,  MEHRA, Karan ,  VERMA, Surendra ,  CHAN, Daniel

IPC: G06F3/06

CPC classification number: G06F3/0619 ,  G06F3/0608 ,  G06F3/0631 ,  G06F3/0643 ,  G06F3/0665 ,  G06F3/067 ,  G06F3/0683 ,  G06F12/02 ,  G06F12/023 ,  G06F12/08 ,  G06F17/30138

Abstract: A thinly provisioned storage system detects whether physical storage capacity is available when there is a request to allocate storage capacity, prior to data being written to the storage system. In particular, at the time when the file system allocates storage, such as when creating a file or performing an extending write (append) operation, allocating storage to an unallocated region of a sparse file, defragmenting a file, and the like, a storage system can verify that actual physical storage capacity is available. Thus, if there is insufficient actual physical capacity at the time when a storage allocation is attempted, then an error message can be sent and remedial action can be taken.

Abstract translation: 在数据被写入存储系统之前，当存在分配存储容量的请求时，精简配置的存储系统检测物理存储容量是否可用。 特别地，在文件系统分配存储时，例如在创建文件或执行扩展写（附加）操作时，将分配存储到稀疏文件的未分配区域，对文件进行碎片整理等等，存储器 系统可以验证实际物理存储容量是否可用。 因此，如果在尝试存储分配时实际物理容量不足，则可以发送错误消息并且可以采取补救措施。