公开(公告)号：US20170123926A1

公开(公告)日：2017-05-04

申请号：US14927977

申请日：2015-10-30

申请人： Pure Storage, Inc.

发明人： ANDREW BERNAT ,  TIMOTHY BRENNAN ,  JIMMY CHI-WAI CHUI ,  ALAN DRISCOLL ,  GRIGORI INOZEMTSEV ,  BENJAMIN SCHOLBROCK ,  NEIL VACHHARAJANI

IPC分类号： G06F11/14

CPC分类号： G06F11/1415 ,  G06F3/0614 ,  G06F3/0629 ,  G06F3/065 ,  G06F3/0689 ,  G06F11/1076

摘要： Ensuring crash-safe forward progress of a system configuration update in a storage system that includes a storage array controller and a plurality of storage devices, including: determining a number of storage devices in the storage system; determining a number of unavailable storage devices in the storage system; and determining, for the one or more system configurations, whether the system configuration can be reconstructed in dependence upon the number of storage devices in the storage system and the number of unavailable storage devices in the storage system.