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    • 1. 发明授权
    • Cluster code management
    • 集群代码管理
    • US07774785B2
    • 2010-08-10
    • US11169251
    • 2005-06-28
    • Michael Howard HartungYu-Cheng HsuGlenn Rowan Wightwick
    • Michael Howard HartungYu-Cheng HsuGlenn Rowan Wightwick
    • G06F9/46G06F9/44
    • G06F3/0631G06F3/0607G06F3/0617G06F3/067G06F9/5077G06F12/0866H04L67/1002H04L69/40
    • A first logical partition in a first processing complex of a server cluster is operated at a first level of a software code. Software code in a second logical partition in the same processing complex is changed to a second level. Processing operations are transferred from the first logical partition in the first processing complex to a third logical partition in a second processing complex of the server cluster. In another aspect, the transferring of processing operations includes quiescing the first logical partition to cause a failover of processing operations from the first logical partition in the first processing complex, to the third logical partition in the second processing complex. In yet another aspect, a failback operation is performed and a first portion of the processing operations are transferred from the third logical partition in the second processing complex, to the second logical partition in the first processing complex. In still another aspect, a second portion of the processing operations may be transferred from the third logical partition in the second processing complex, to the second logical partition in the first processing complex of the server cluster. In one example, the transferring of the second portion of processing operations includes quiescing the third logical partition to cause a failover of processing operations from the third logical partition in the second processing complex, to the second logical partition in the first processing complex. Other embodiments are described and claimed.
    • 服务器集群的第一处理复合体中的第一逻辑分区在软件代码的第一级操作。 相同处理组合中第二个逻辑分区中的软件代码更改为第二个级别。 处理操作从第一处理复合体中的第一逻辑分区传送到服务器集群的第二处理复合体中的第三逻辑分区。 在另一方面,处理操作的传送包括使第一逻辑分区停顿以使处理操作从第一处理复数中的第一逻辑分区到第二处理复合体中的第三逻辑分区的故障转移。 在另一方面,执行故障恢复操作,并且处理操作的第一部分从第二处理复合体中的第三逻辑分区传送到第一处理复合体中的第二逻辑分区。 在另一方面,处理操作的第二部分可以从第二处理复合体中的第三逻辑分区传送到服务器集群的第一处理复合体中的第二逻辑分区。 在一个示例中,第二部分处理操作的传送包括使第三逻辑分区停顿以使处理操作从第二处理复合体中的第三逻辑分区到第一处理复合体中的第二逻辑分区的故障切换。 描述和要求保护其他实施例。
    • 2. 发明授权
    • Apparatus for the reliability of host data stored on fibre channel attached storage subsystems
    • 用于存储在光纤通道附加存储子系统上的主机数据的可靠性的装置
    • US08205137B2
    • 2012-06-19
    • US12276879
    • 2008-11-24
    • James Patrick AllenThomas Stanley MathewsRavi A. ShankarSatya Prakash SharmaGlenn Rowan Wightwick
    • James Patrick AllenThomas Stanley MathewsRavi A. ShankarSatya Prakash SharmaGlenn Rowan Wightwick
    • G11C29/00
    • G11B20/1813
    • An apparatus for improving the reliability of host data stored on Fiber Channel attached storage subsystems by performing end-to-end data integrity checks. When a read or write operation is initiated, an initial checksum for data in the read/write operation is generated and associated with the data, wherein the association exists through a plurality of layers of software and attached storage subsystems. The initial checksum is passed with the data in the read/write path. When a layer of software in the read/write path receives the initial checksum and data, the layer performs an integrity check of the data, which includes generating another checksum and comparing it to the initial checksum. If the checksums do not match, the read/write operation fails and the error is logged. If the checksums match, the integrity check is repeated through each layer in the read/write path to enable detecting data corruption at the point of source.
    • 一种用于通过执行端到端数据完整性检查来提高存储在光纤通道附加存储子系统上的主机数据的可靠性的装置。 当启动读或写操作时,生成读/写操作中的数据的初始校验和并与数据相关联,其中通过多层软件和附加的存储子系统存在关联。 初始校验和与读/写路径中的数据一起传递。 当读/写路径中的软件层接收到初始校验和和数据时,层执行数据的完整性检查,其中包括生成另一个校验和并将其与初始校验和进行比较。 如果校验和不匹配,则读/写操作失败,并记录错误。 如果校验和匹配,则通过读/写路径中的每个层重复完整性检查,以便能够在源点检测数据损坏。