Managing deduplication density
    2.
    发明授权
    Managing deduplication density 有权
    管理重复数据删除密度

    公开(公告)号:US08712976B1

    公开(公告)日:2014-04-29

    申请号:US13432312

    申请日:2012-03-28

    IPC分类号: G06F17/30

    CPC分类号: G06F17/30156

    摘要: A method is used in managing deduplication density. A deduplication density of a data object is determined. The deduplication density is indicated by a number of deduplicated data objects represented by the data object. Based on the deduplication density of the data object, the data object is skipped for applying a deduplicating technique to the data object. An association is created between the data object and another data object. The other data object is used for applying the deduplicating technique where contents of the other data object are identical to contents of the data object.

    摘要翻译: 一种方法用于管理重复数据删除密度。 确定数据对象的重复数据删除密度。 重复数据删除密度由数据对象表示的重复数据删除数据对象指示。 基于数据对象的重复数据删除密度,跳过数据对象以将数据对象应用于重复数据删除技术。 在数据对象和另一个数据对象之间创建关联。 其他数据对象用于应用其他数据对象的内容与数据对象的内容相同的重复数据删除技术。

    Multi-protocol sharable virtual storage objects
    6.
    发明授权
    Multi-protocol sharable virtual storage objects 有权
    多协议共享的虚拟存储对象

    公开(公告)号:US07953819B2

    公开(公告)日:2011-05-31

    申请号:US10646851

    申请日:2003-08-22

    IPC分类号: G06F15/16 G06F7/00 G06F17/00

    摘要: A storage object such as a virtual disk drive or a raw logical volume is contained in a UNIX compatible file so that the file containing the storage object can be exported using the NFS or CIFS protocol and shared among UNIX and MS Windows clients or servers. The storage object can be replicated and backed up using conventional file replication and backup facilities without disruption of client access to the storage object. For client access to data of the storage object, a software driver accesses the file containing the storage object. For example, a software driver called a virtual SCSI termination is used to access a file containing a virtual SCSI disk drive. Standard storage services use the SCSI over IP protocol to access the virtual SCSI termination. An IP replication or snapshot copy facility may access the file containing the virtual SCSI disk drive using a higher-level protocol.

    摘要翻译: 存储对象(如虚拟磁盘驱动器或原始逻辑卷)包含在UNIX兼容文件中,以便可以使用NFS或CIFS协议导出包含存储对象的文件,并在UNIX和MS Windows客户端或服务器之间共享。 可以使用传统的文件复制和备份功能来复制和备份存储对象,而不会中断对存储对象的客户端访问。 为了客户机访问存储对象的数据,软件驱动程序访问包含存储对象的文件。 例如,称为虚拟SCSI终端的软件驱动程序用于访问包含虚拟SCSI磁盘驱动器的文件。 标准存储服务使用SCSI over IP协议来访问虚拟SCSI终端。 IP复制或快照复制功能可以使用更高级别的协议访问包含虚拟SCSI磁盘驱动器的文件。

    Network block services for client access of network-attached data storage in an IP network
    7.
    发明授权
    Network block services for client access of network-attached data storage in an IP network 有权
    用于客户端访问IP网络中的网络连接数据存储的网络块服务

    公开(公告)号:US07475124B2

    公开(公告)日:2009-01-06

    申请号:US10255148

    申请日:2002-09-25

    IPC分类号: G06F15/16 G06F15/173

    摘要: The SCSI and iSCSI layers over the TCP/IP layers of the protocol stack in an IP network client and in an IP network-attached storage server are replaced with a thin network block services layer. The network block services layer 71 implements a network block services protocol having a very reduced set of commands transmitted between the client and the storage server. The network block services protocol is used in a configuration process in which logical volumes of the network-attached storage are exported to the client and become local pseudo-disk instances. The client's operating system and application programs access the local pseudo-disk instances with what appears to be a standard device driver for a local disk device. The device driver maintains a TCP connection to each open device, and responds to connection failure by re-connecting with an alternative server IP port.

    摘要翻译: IP网络客户端和IP网络连接的存储服务器中的协议栈的TCP / IP层上的SCSI和iSCSI层被替换为薄网络服务层。 网络块服务层71实现具有在客户端和存储服务器之间传送的非常简化的一组命令的网络块服务协议。 在配置过程中使用网络块服务协议,其中将网络连接的存储的逻辑卷导出到客户端并成为本地伪磁盘实例。 客户端的操作系统和应用程序访问本地伪磁盘实例,看起来是本地磁盘设备的标准设备驱动程序。 设备驱动程序维护每个打开设备的TCP连接,并通过与备用服务器IP端口重新连接来响应连接故障。