公开(公告)号：US20070185928A1

公开(公告)日：2007-08-09

申请号：US11342187

申请日：2006-01-27

Applicant: Yufen Davis ,  Lisa Gundy ,  Gail Spear ,  John Thompson

Inventor： Yufen Davis ,  Lisa Gundy ,  Gail Spear ,  John Thompson

IPC: G06F12/00 ,  G06F17/30

CPC classification number: G06F11/1466 ,  G06F3/0619 ,  G06F3/065 ,  G06F3/0689 ,  Y10S707/99933

Abstract: A data storage system which copies data from source data storage volumes to target data storage volumes restricts a write operation to at least one source data storage volume (FREEZE), to prevent the updating of a source while the data of a consistency group of interdependent data is being copied. Program logic selects a source data storage volume to which the restriction applies as a verification volume; and the program logic responds to a verification request to first employ the verification volume to verify that the restriction remains in place with respect to the verification volume, and to allow a reset of the restriction (THAW).

Abstract translation: 将数据从源数据存储卷复制到目标数据存储卷的数据存储系统限制对至少一个源数据存储卷（FREEZE）的写入操作，以防止源的更新，而相互依赖的数据的一致性组的数据 正在复制。 程序逻辑选择适用该限制的源数据存储卷作为验证卷; 并且程序逻辑响应验证请求，以首先使用验证卷来验证该限制是否相对于验证卷保持在适当位置，并且允许复位该限制（THAW）。