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1. 发明授权

US08601214B1 System and method for write-back cache in sparse volumes 有权
标题翻译：在稀疏卷中回写缓存的系统和方法
公开(公告)号：US08601214B1
公开(公告)日：2013-12-03
申请号：US12986050
申请日：2011-01-06
申请人： Mardiros Z. Chakalian , Aswini S. Kumar , Darrell Suggs
发明人： Mardiros Z. Chakalian , Aswini S. Kumar , Darrell Suggs
IPC分类号： G06F12/00
CPC分类号： G06F17/30185 , G06F3/0659 , G06F3/067 , G06F12/0804 , G06F12/0873 , G06F17/30132 , G06F2212/264
摘要： The techniques introduced here provide for a write-back sparse volume cache in a storage system. The write-back sparse volume cache is implemented by a first storage server that is connected to communicate with a second storage server that hosts the origin storage volume. The first storage server receives a write request from a client to write data to the origin storage volume. In response to receiving the write request, the first storage server writes the data to the sparse volume cache maintained by the first storage server and acknowledges to the client a successful write operation. The data is maintained in the sparse volume cache such that the presence of the data in the sparse volume cache is transparent to the client and subsequent requests for the written data are serviced by the first storage server from the sparse volume cache. The data can later be flushed to the origin storage volume.
摘要翻译：这里介绍的技术提供了存储系统中的回写稀疏卷缓存。回写稀疏卷缓存由连接到与承载原始存储卷的第二存储服务器进行通信的第一存储服务器来实现。第一存储服务器从客户端接收写请求以将数据写入原始存储卷。响应于接收到写入请求，第一存储服务器将数据写入由第一存储服务器维护的稀疏卷缓存器，并向客户端确认成功的写操作。数据被维护在稀疏卷缓存中，使得稀疏卷缓存中的数据的存在对于客户端是透明的，并且对于写入的数据的后续请求由第一存储服务器从稀疏卷高速缓存服务。数据可以稍后刷新到原始存储卷。

2. 发明授权

US07593948B2 Control of service workload management 有权
标题翻译：控制服务工作负载管理
公开(公告)号：US07593948B2
公开(公告)日：2009-09-22
申请号：US11166478
申请日：2005-06-23
申请人： Darrell Suggs , John Scott , Robert L. Fair
发明人： Darrell Suggs , John Scott , Robert L. Fair
IPC分类号： G06F17/30
CPC分类号： G06F9/5027 , G06F2209/5021 , Y10S707/99932 , Y10S707/99933 , Y10S707/99945
摘要： A system and method are provided to manage different types of workload. The method comprises receiving a request, determining a class of the request, determining a priority level associated with the class of the request, and servicing the request utilizing the priority level of the class of the request. The class of the request may be associated with a target volume, as well as with a network protocol, or with a network port.
摘要翻译：提供了一种管理不同类型工作负载的系统和方法。该方法包括接收请求，确定请求的类别，确定与请求类别相关联的优先级，以及利用请求类的优先级来服务请求。请求的类可以与目标卷以及网络协议或网络端口相关联。

3. 发明授权

US08271724B1 Controlling write request access to a non-volatile log 失效
标题翻译：控制对非易失性日志的写请求访问
公开(公告)号：US08271724B1
公开(公告)日：2012-09-18
申请号：US12077366
申请日：2008-03-17
申请人： John A. Scott , Darrell Suggs , Eric Hamilton
发明人： John A. Scott , Darrell Suggs , Eric Hamilton
IPC分类号： G06F17/40
CPC分类号： G06F3/0653 , G06F3/061 , G06F3/0673 , G06F3/0676
摘要： In one embodiment of the present invention, a method and system are provided to control access to the non-volatile log (NVlog) of a storage server. By controlling access to the NVLog of a storage server the relative disk write bandwidth available to different client write requests can be controlled. The incoming write request can be categorized, and, during times of heavy load, only be permitted to use NVLog space as permitted based on the categorization of each write request. In one embodiment, the present invention includes receiving a write request from a client at a storage server, and determining whether the received write request can be presently logged in a NVlog based on a category of the write request.
摘要翻译：在本发明的一个实施例中，提供了一种方法和系统来控制对存储服务器的非易失性日志（NVlog）的访问。通过控制对存储服务器的NVLog的访问，可以控制可用于不同客户机写入请求的相对磁盘写入带宽。传入的写请求可以分类，并且在重负载的时候，只允许根据每个写请求的分类允许使用NVLog空间。在一个实施例中，本发明包括从存储服务器处的客户端接收写入请求，并且基于写入请求的类别来确定所接收到的写入请求是否可以当前记录在NVlog中。

4. 发明申请

US20060294045A1 Control of service workload management 有权
公开(公告)号：US20060294045A1
公开(公告)日：2006-12-28
申请号：US11166478
申请日：2005-06-23
申请人： Darrell Suggs , John Scott , Robert L. Fair
发明人： Darrell Suggs , John Scott , Robert L. Fair
IPC分类号： G06F17/30
CPC分类号： G06F9/5027 , G06F2209/5021 , Y10S707/99932 , Y10S707/99933 , Y10S707/99945
摘要： A system and method are provided to manage different types of workload. The method comprises receiving a request, determining a class of the request, determining a priority level associated with the class of the request, and servicing the request utilizing the priority level of the class of the request. The class of the request may be associated with a target volume, as well as with a network protocol, or with a network port.

5. 发明授权

US07370143B1 Controlling write request access to a non-volatile log 有权
标题翻译：控制对非易失性日志的写请求访问
公开(公告)号：US07370143B1
公开(公告)日：2008-05-06
申请号：US11157227
申请日：2005-06-20
申请人： John A. Scott , Darrell Suggs , Eric Hamilton
发明人： John A. Scott , Darrell Suggs , Eric Hamilton
IPC分类号： G06F13/00
CPC分类号： G06F3/0653 , G06F3/061 , G06F3/0673 , G06F3/0676
摘要： In one embodiment of the present invention, a method and system are provided to control access to the non-volatile log (NVlog) of a storage server. By controlling access to the NVLog of a storage server the relative disk write bandwidth available to different client write requests can be controlled. The incoming write request can be categorized, and, during times of heavy load, only be permitted to use NVLog space as permitted based on the categorization of each write request. In one embodiment, the present invention includes receiving a write request from a client at a storage server, and determining whether the received write request can be presently logged in a NVlog based on a category of the write request.
摘要翻译：在本发明的一个实施例中，提供了一种方法和系统来控制对存储服务器的非易失性日志（NVlog）的访问。通过控制对存储服务器的NVLog的访问，可以控制可用于不同客户机写入请求的相对磁盘写入带宽。传入的写请求可以分类，并且在重负载的时候，只允许根据每个写请求的分类允许使用NVLog空间。在一个实施例中，本发明包括从存储服务器处的客户端接收写入请求，并且基于写入请求的类别来确定所接收到的写入请求是否可以当前记录在NVlog中。

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