DATA MIGRATION METHODOLOGY FOR USE WITH ARRAYS OF POWERED-DOWN STORAGE DEVICES
    3.
    发明申请
    DATA MIGRATION METHODOLOGY FOR USE WITH ARRAYS OF POWERED-DOWN STORAGE DEVICES 失效
    数据移动方法与使用下放存储设备的阵列一起使用

    公开(公告)号:US20120203996A1

    公开(公告)日:2012-08-09

    申请号:US13447434

    申请日:2012-04-16

    IPC分类号: G06F12/02

    CPC分类号: G06F12/00 G06F12/16

    摘要: A method for managing extents in a data storage system includes monitoring usage statistics for an extent residing on one or more powered-up storage devices. In the event the extent has not been accessed for specified period of time (as determined from the usage statistics), the method automatically compresses the extent and migrates the extent to an intermediate repository. Once the amount of data in the intermediate repository reaches a specified level, the method migrates the extent from the intermediate repository to one or more normally powered-down storage devices. If I/O is received for the extent while it resides in the normally powered-down storage devices or the intermediate repository, the method automatically migrates the extent from the normally powered-down storage devices or the intermediate repository to the normally powered-up storage devices. A corresponding apparatus and computer program product are also disclosed.

    摘要翻译: 用于管理数据存储系统中的盘区的方法包括监视驻留在一个或多个加电存储装置上的盘区的使用统计。 如果在指定的时间段内(从使用统计信息确定)没有访问该范围,该方法将自动压缩该范围并将范围迁移到中间存储库。 一旦中间存储库中的数据量达到指定的级别,该方法会将程序段从中间存储库迁移到一个或多个正常关闭的存储设备。 如果在驻留在通常断电的存储设备或中间存储库中的范围内接收到I / O,则该方法自动将从正常关闭的存储设备或中间存储库迁移到通常供电的存储 设备。 还公开了相应的装置和计算机程序产品。

    DATA MIGRATION METHODOLOGY FOR USE WITH ARRAYS OF POWERED-DOWN STORAGE DEVICES
    4.
    发明申请
    DATA MIGRATION METHODOLOGY FOR USE WITH ARRAYS OF POWERED-DOWN STORAGE DEVICES 失效
    数据移动方法与使用下放存储设备的阵列一起使用

    公开(公告)号:US20110191558A1

    公开(公告)日:2011-08-04

    申请号:US12698557

    申请日:2010-02-02

    IPC分类号: G06F12/16 G06F12/00

    CPC分类号: G06F12/00 G06F12/16

    摘要: A method for managing extents in a data storage system includes monitoring usage statistics for an extent residing on one or more powered-up storage devices. In the event the extent has not been accessed for specified period of time (as determined from the usage statistics), the method automatically compresses the extent and migrates the extent to an intermediate repository. Once the amount of data in the intermediate repository reaches a specified level, the method migrates the extent from the intermediate repository to one or more normally powered-down storage devices. If I/O is received for the extent while it resides in the normally powered-down storage devices or the intermediate repository, the method automatically migrates the extent from the normally powered-down storage devices or the intermediate repository to the normally powered-up storage devices. A corresponding apparatus and computer program product are also disclosed.

    摘要翻译: 用于管理数据存储系统中的盘区的方法包括监视驻留在一个或多个加电存储装置上的盘区的使用统计。 如果在指定的时间段内(从使用统计信息确定)没有访问该范围,该方法将自动压缩该范围并将范围迁移到中间存储库。 一旦中间存储库中的数据量达到指定的级别,该方法会将程序段从中间存储库迁移到一个或多个正常关闭的存储设备。 如果在驻留在通常断电的存储设备或中间存储库中的范围内接收到I / O,则该方法自动将从正常关闭的存储设备或中间存储库迁移到通常供电的存储 设备。 还公开了相应的装置和计算机程序产品。

    SUB-LUN INPUT/OUTPUT PROFILING FOR SSD DEVICES
    6.
    发明申请
    SUB-LUN INPUT/OUTPUT PROFILING FOR SSD DEVICES 失效
    SSD设备的子LUN输入/输出配置文件

    公开(公告)号:US20120221778A1

    公开(公告)日:2012-08-30

    申请号:US13463697

    申请日:2012-05-03

    IPC分类号: G06F12/00

    摘要: A read/write ratio for each of a plurality of data segments classified in a hot category as hot data segments is determined. Each of the plurality of hot data segments is ordered by the read/write ratio in a descending order. Each of a plurality of available SSD devices is ordered by a remaining life expectancy in an ascending order. Those of the plurality of hot data segments are matched with those of the plurality of hot data segments with those of the plurality of available SSD devices such that a hot data segment having a higher read/write ratio is provided to an SSD device having a smaller remaining life expectancy than another hot data segment having a lower read/write ratio.

    摘要翻译: 确定分类为热类别的多个数据段中的每一个作为热数据段的读/写比。 多个热数据段中的每一个按读/写比按降序排列。 多个可用SSD设备中的每一个以升序排列剩余寿命。 多个热数据段中的数据段与多个热数据段中的那些数据段与多个可用SSD设备中的热数据段的那些匹配,使得具有较高读/写比率的热数据段被提供给具有较小的 剩余寿命比具有较低读/写比的另一个热数据段。

    WORKLOAD-DISTRIBUTING DATA REPLICATION SYSTEM
    8.
    发明申请
    WORKLOAD-DISTRIBUTING DATA REPLICATION SYSTEM 有权
    工作分配数据复制系统

    公开(公告)号:US20120290747A1

    公开(公告)日:2012-11-15

    申请号:US13448234

    申请日:2012-04-16

    IPC分类号: G06F3/00

    摘要: A method for more effectively distributing the I/O workload in a data replication system is disclosed herein. In selected embodiments, such a method may include generating an I/O request and identifying a storage resource group associated with the I/O request. In the event the I/O request is associated with a first storage resource group, the I/O request may be directed to a first storage device and a copy of the I/O request may be mirrored from the first storage device to a second storage device. Alternatively, in the event the I/O request is associated with a second storage resource group, the I/O request may be directed to a second storage device and a copy of the I/O request may be mirrored from the second storage device to the first storage device.

    摘要翻译: 本文公开了一种在数据复制系统中更有效地分布I / O工作负载的方法。 在所选择的实施例中,这种方法可以包括生成I / O请求并且识别与I / O请求相关联的存储资源组。 在I / O请求与第一存储资源组相关联的情况下,I / O请求可以被定向到第一存储设备,并且I / O请求的副本可以从第一存储设备镜像到第二存储设备 储存设备。 或者,在I / O请求与第二存储资源组相关联的情况下,I / O请求可以被定向到第二存储设备,并且I / O请求的副本可以从第二存储设备镜像到 第一存储设备。

    WORKLOAD-DISTRIBUTING DATA REPLICATION SYSTEM
    9.
    发明申请
    WORKLOAD-DISTRIBUTING DATA REPLICATION SYSTEM 失效
    工作分配数据复制系统

    公开(公告)号:US20110093862A1

    公开(公告)日:2011-04-21

    申请号:US12582502

    申请日:2009-10-20

    IPC分类号: G06F9/46

    摘要: A method for more effectively distributing the I/O workload in a data replication system is disclosed herein. In selected embodiments, such a method may include generating an I/O request and identifying a storage resource group associated with the I/O request. In the event the I/O request is associated with a first storage resource group, the I/O request may be directed to a first storage device and a copy of the I/O request may be mirrored from the first storage device to a second storage device. Alternatively, in the event the I/O request is associated with a second storage resource group, the I/O request may be directed to a second storage device and a copy of the I/O request may be mirrored from the second storage device to the first storage device. A corresponding system, apparatus, and computer program product are also disclosed and claimed herein.

    摘要翻译: 本文公开了一种在数据复制系统中更有效地分布I / O工作负载的方法。 在所选择的实施例中,这种方法可以包括生成I / O请求并且识别与I / O请求相关联的存储资源组。 在I / O请求与第一存储资源组相关联的情况下,I / O请求可以被定向到第一存储设备,并且I / O请求的副本可以从第一存储设备镜像到第二存储设备 储存设备。 或者,在I / O请求与第二存储资源组相关联的情况下,I / O请求可以被定向到第二存储设备,并且I / O请求的副本可以从第二存储设备镜像到 第一存储设备。 本文还公开并要求对应的系统,装置和计算机程序产品。

    METHODS FOR DYNAMIC CONSISTENCY GROUP FORMATION
    10.
    发明申请
    METHODS FOR DYNAMIC CONSISTENCY GROUP FORMATION 失效
    动态一致性群体形成的方法

    公开(公告)号:US20120239893A1

    公开(公告)日:2012-09-20

    申请号:US13483865

    申请日:2012-05-30

    IPC分类号: G06F12/16

    摘要: A method for dynamic consistency group formation, in one embodiment, includes creating a snapshot of first data stored on a source storage system with respect to data content and data structure, copying the snapshot to a target storage system, detecting one or more write operations affecting data on the source storage system while copying the first data, detecting one or more collisions affecting the first data on the source storage system, wherein a collision occurs whenever the write operations affect the first data prior to the first data being written, setting a consistency group interval which represents an interval duration between successive snapshot create-and-copy events, and altering the consistency group interval to minimize collisions affecting data on at least one of the storage systems. Other methods for dynamic consistency group formation are also described.

    摘要翻译: 在一个实施例中,用于动态一致性组形成的方法包括:针对数据内容和数据结构创建存储在源存储系统上的第一数据的快照,将快照复制到目标存储系统,检测影响到的一个或多个写操作 源数据存储系统上的数据,同时复制第一数据,检测影响源存储系统上的第一数据的一个或多个冲突,其中每当写入操作影响第一数据被写入之前的第一数据时,发生冲突, 组间隔,其表示连续快照创建和复制事件之间的间隔持续时间,以及改变一致性组间隔,以最小化影响至少一个存储系统上的数据的冲突。 还描述了用于动态一致性组形成的其他方法。