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    Tape failover across a cluster
    1.
    发明授权
    Tape failover across a cluster 有权
    跨群集磁带故障切换

    公开(公告)号：US07853019B1

    公开(公告)日：2010-12-14

    申请号：US11606508

    申请日：2006-11-30

    申请人： Anant Chaudhary ,  Andrew Narver

    发明人： Anant Chaudhary ,  Andrew Narver

    IPC分类号： H04L9/08 ,  H04L29/06 ,  G06F12/14 ,  G06F17/30 ,  G06F3/06 ,  G06F13/00 ,  G06F17/00 ,  G06F12/00

    CPC分类号： G06F11/2005 ,  G06F11/1456 ,  G06F11/1464 ,  G06F11/1469 ,  G06F11/201 ,  G06F21/85 ,  G06F2221/2105 ,  G06F2221/2147 ,  G09C1/00 ,  G11B20/1883 ,  G11B2220/90 ,  H04L9/0827 ,  H04L9/0894 ,  H04L63/061 ,  H04L69/14 ,  H04L69/40 ,  H04L2209/12

    摘要： A security appliance that encrypts and decrypts information is installed in each of redundant multi-paths between a host system and a back up tape storage system. The host system is arranged to detect failures in a primary path to the tape system being used. When the failure is detected, the host system enables transfers to the same tape system through an alternative path. Encryption keys and host/tape designators (identifiers) are broadcast among the security appliances in the alternative data paths. When the host system switches from the primary path to the secondary path, even though the secondary security appliance did not generate the encryption keys, the secondary path security appliance will have such keys and will properly encrypt and transfer data from the host to the tape system. The secondary will also properly retrieve encrypted data from the tape system, decrypt it and deliver it to the host. All of these operations will be transparent (invisible) to a running application in the host.

    摘要翻译： 加密和解密信息的安全设备安装在主机系统和备份磁带存储系统之间的冗余多路径中的每一个中。 主机系统被布置成检测到正在使用的磁带系统的主路径中的故障。 当检测到故障时，主机系统允许通过备用路径传输到相同的磁带系统。 在替代数据路径中的安全设备之间广播加密密钥和主机/磁带标识符（标识符）。 当主机系统从主路径切换到辅助路径时，即使辅助安全设备未生成加密密钥，辅路径安全设备将具有这样的密钥，并将适当地加密并将数据从主机传输到磁带系统 。 次要还将从磁带系统正确检索加密数据，将其解密并将其传递给主机。 所有这些操作对于主机中正在运行的应用程序将是透明的（不可见）。

    Tape failover across a cluster
    3.
    发明授权
    Tape failover across a cluster 有权
    跨群集磁带故障切换

    公开(公告)号：US08160257B1

    公开(公告)日：2012-04-17

    申请号：US12917723

    申请日：2010-11-02

    申请人： Anant Chaudhary ,  Andrew Narver

    发明人： Anant Chaudhary ,  Andrew Narver

    IPC分类号： H04L9/08 ,  H04L29/06 ,  G06F12/14 ,  G06F17/30 ,  G06F3/06 ,  G06F13/00 ,  G06F7/00

    CPC分类号： G06F11/2005 ,  G06F11/1456 ,  G06F11/1464 ,  G06F11/1469 ,  G06F11/201 ,  G06F21/85 ,  G06F2221/2105 ,  G06F2221/2147 ,  G09C1/00 ,  G11B20/1883 ,  G11B2220/90 ,  H04L9/0827 ,  H04L9/0894 ,  H04L63/061 ,  H04L69/14 ,  H04L69/40 ,  H04L2209/12

    摘要： A security appliance that encrypts and decrypts information is installed in each of redundant multi-paths between a host system and a back up tape storage system. The host system is arranged to detect failures in a primary path to the tape system being used. When the failure is detected, the host system enables transfers to the same tape system through an alternative path. Encryption keys and host/tape designators (identifiers) are broadcast among the security appliances in the alternative data paths. When the host system switches from the primary path to the secondary path, even though the secondary security appliance did not generate the encryption keys, the secondary path security appliance will have such keys and will properly encrypt and transfer data from the host to the tape system. The secondary will also properly retrieve encrypted data from the tape system, decrypt it and deliver it to the host. All of these operations will be transparent (invisible) to a running application in the host.

    摘要翻译： 加密和解密信息的安全设备安装在主机系统和备份磁带存储系统之间的冗余多路径中的每一个中。 主机系统被布置成检测到正在使用的磁带系统的主路径中的故障。 当检测到故障时，主机系统允许通过备用路径传输到相同的磁带系统。 在替代数据路径中的安全设备之间广播加密密钥和主机/磁带标识符（标识符）。 当主机系统从主路径切换到辅助路径时，即使辅助安全设备未生成加密密钥，辅路径安全设备将具有这样的密钥，并将适当地加密并将数据从主机传输到磁带系统 。 次要还将从磁带系统正确检索加密数据，将其解密并将其传递给主机。 所有这些操作对于主机中正在运行的应用程序将是透明的（不可见）。