公开(公告)号：DE69841034D1

公开(公告)日：2009-09-17

申请号：DE69841034

申请日：1998-06-16

Applicant: IBM

Inventor： SCHMUCK FRANK B ,  SCHMUELI BOAZ ,  ZLOTEK ANTHONY J

IPC: G06F17/30

Abstract: A computer system having a shared disk file system running on multiple computers each having their own instance of an operating system and being coupled for parallel data sharing access to files residing on network attached shared disks. Methods are provided for use as a parallel file system in a shared disk environment by use of a scalable directory service for the system with a stable cursor, a segmented allocation map. Dynamic prefetch and cached balance pools for multiple accesses improve the system. Extended file attributes are used for implementation of Access Control Lists in a parallel file system.

公开(公告)号：DE69840905D1

公开(公告)日：2009-07-30

申请号：DE69840905

申请日：1998-06-17

Applicant: IBM

Inventor： SCHMUCK FRANK B ,  MCNABB DANIEL LLOYD ,  WYLLIE JAMES C ,  SCHMUELI BOAZ

IPC: G06F17/30

Abstract: A computer system having a shared disk file system running on multiple computers each having their own instance of an operating system and being coupled for parallel data sharing access to files residing on network attached shared disks. Methods are provided for use as a parallel file system in a shared disk environment by use of a scalable directory service for the system with a stable cursor, a segmented allocation map. Dynamic prefetch and cached balance pools for multiple accesses improve the system. Extended file attributes are used for implementation of Access Control Lists in a parallel file system.