公开(公告)号：EP2888667A1

公开(公告)日：2015-07-01

申请号：EP13759937.9

申请日：2013-08-27

申请人： VMware, Inc.

发明人： PHELAN, Thomas A. ,  RAWAT, Mayank ,  LIU, Deng ,  MADNANI, Kiran ,  BANDARUPALLI, Sambasiva

IPC分类号： G06F12/08 ,  G06F9/455

CPC分类号： G06F12/0866 ,  G06F3/061 ,  G06F3/0631 ,  G06F3/0685 ,  G06F9/455 ,  G06F9/45558 ,  G06F9/5088 ,  G06F12/0871 ,  G06F2009/45579 ,  G06F2212/217

摘要： Techniques for using a cache to accelerate virtual machine (VM) I/O are provided. In one embodiment, a host system can intercept an I/O request from a VM running on the host system, where the I/O request is directed to a virtual disk residing on a shared storage device. The host system can then process the I/O request by accessing a cache that resides on one or more cache devices directly attached to the host system, where the accessing of the cache is transparent to the VM.

公开(公告)号：EP2948838B1

公开(公告)日：2018-04-25

申请号：EP13789922.5

申请日：2013-10-25

申请人： VMware, Inc.

发明人： PHELAN, Thomas A. ,  RAWAT, Mayank ,  MADNANI, Kiran ,  ZHANG, Wei ,  LIU, Deng ,  BANDARUPALLI, Sambasiva

IPC分类号： G06F3/06 ,  G06F12/02 ,  G06F12/0842 ,  G06F9/455

CPC分类号： G06F3/0608 ,  G06F3/0605 ,  G06F3/0631 ,  G06F3/0647 ,  G06F3/065 ,  G06F3/0652 ,  G06F3/0679 ,  G06F9/45558 ,  G06F12/023 ,  G06F12/0246 ,  G06F12/0842 ,  G06F2009/45583

摘要： Techniques for surfacing host-side flash storage capacity to a plurality of VMs running on a host system are provided. In one embodiment, the host system creates, for each VM in the plurality of VMs, a flash storage space allocation in a flash storage device that is locally attached to the host system. The host system then causes the flash storage space allocation to be readable and writable by the VM as a virtual flash memory device.

公开(公告)号：EP2888667B1

公开(公告)日：2019-05-08

申请号：EP13759937.9

申请日：2013-08-27

申请人： VMware, Inc.

发明人： PHELAN, Thomas A. ,  RAWAT, Mayank ,  LIU, Deng ,  MADNANI, Kiran ,  BANDARUPALLI, Sambasiva

IPC分类号： G06F12/0866 ,  G06F3/06 ,  G06F12/0871 ,  G06F9/50 ,  G06F9/455

公开(公告)号：EP3182291A1

公开(公告)日：2017-06-21

申请号：EP17151877.2

申请日：2013-10-15

申请人： VMware, Inc.

发明人： LIU, Deng ,  SCALES, Daniel

IPC分类号： G06F12/08 ,  G06F12/12 ,  G06F12/0866 ,  G06F12/0897 ,  G06F12/121 ,  G06F12/123 ,  G06F12/126

CPC分类号： G06F12/0866 ,  G06F12/0897 ,  G06F12/121 ,  G06F12/123 ,  G06F12/126

摘要： A technique for efficient cache management demotes a unit of data from a higher cache level to a lower cache level in a cache hierarchy when the higher level cache evicts the unit of data. In a virtualization computing environment, eviction of the unit of data may be inferred by observing privileged memory and disk operations performed by a guest operating system and trapped by virtualization software for execution. When the unit of data is inferred to be evicted, the unit of data is demoted by transferring the unit of data into the lower cache level. This technique enables exclusive caching without direct involvement or modification of the guest operating system. In alternative embodiments, a pseudo-driver installed within the guest operating system explicitly tracks memory operations and transmits page eviction information to the lower level cache, which is able to cache evicted pages while maintaining cache exclusivity.

摘要翻译： 当高级高速缓存清除数据单元时，用于高效高速缓存管理的技术将数据单元从高级高速缓存级别降级到高速缓存分级中的低级高速缓存级别。 在虚拟化计算环境中，可以通过观察客户操作系统执行的特许内存和磁盘操作来推断数据单元的驱逐，并且由虚拟化软件捕获以供执行。 当推断数据单元被驱逐时，通过将数据单元转移到较低的高速缓存级别来降级数据单元。 这种技术可以独立缓存而无需直接参与或修改客户操作系统。 在替代实施例中，安装在客户操作系统内的伪驱动器明确地跟踪存储器操作并将页面驱逐信息发送到较低级别高速缓存，其能够在保持高速缓存独占性的同时高速缓存驱逐的页面。

公开(公告)号：EP3182291B1

公开(公告)日：2018-09-26

申请号：EP17151877.2

申请日：2013-10-15

申请人： VMware, Inc.

发明人： LIU, Deng ,  SCALES, Daniel

IPC分类号： G06F12/08 ,  G06F12/12 ,  G06F12/0866 ,  G06F12/0897 ,  G06F12/121 ,  G06F12/123 ,  G06F12/126

CPC分类号： G06F12/0866 ,  G06F12/0897 ,  G06F12/121 ,  G06F12/123 ,  G06F12/126

摘要： A technique for efficient cache management demotes a unit of data from a higher cache level to a lower cache level in a cache hierarchy when the higher level cache evicts the unit of data. In a virtualization computing environment, eviction of the unit of data may be inferred by observing privileged memory and disk operations performed by a guest operating system and trapped by virtualization software for execution. When the unit of data is inferred to be evicted, the unit of data is demoted by transferring the unit of data into the lower cache level. This technique enables exclusive caching without direct involvement or modification of the guest operating system. In alternative embodiments, a pseudo-driver installed within the guest operating system explicitly tracks memory operations and transmits page eviction information to the lower level cache, which is able to cache evicted pages while maintaining cache exclusivity.

公开(公告)号：EP2948838A1

公开(公告)日：2015-12-02

申请号：EP13789922.5

申请日：2013-10-25

申请人： VMware, Inc.

发明人： PHELAN, Thomas A. ,  RAWAT, Mayank ,  MADNANI, Kiran ,  ZHANG, Wei ,  LIU, Deng ,  BANDARUPALLI, Sambasiva

IPC分类号： G06F3/06

CPC分类号： G06F3/0608 ,  G06F3/0605 ,  G06F3/0631 ,  G06F3/0647 ,  G06F3/065 ,  G06F3/0652 ,  G06F3/0679 ,  G06F9/45558 ,  G06F12/023 ,  G06F12/0246 ,  G06F12/0842 ,  G06F2009/45583

摘要： Techniques for surfacing host-side flash storage capacity to a plurality of VMs running on a host system are provided. In one embodiment, the host system creates, for each VM in the plurality of VMs, a flash storage space allocation in a flash storage device that is locally attached to the host system. The host system then causes the flash storage space allocation to be readable and writable by the VM as a virtual flash memory device.

摘要翻译： 提供了在主机系统上运行的多个虚拟机的主机侧闪存存储容量的技术。 在一个实施例中，主机系统为多个VM中的每个VM创建在本地连接到主机系统的闪存存储设备中的闪存存储空间分配。 主机系统然后使得闪存存储空间分配由VM作为虚拟闪存设备可读写。

公开(公告)号：EP3139263A1

公开(公告)日：2017-03-08

申请号：EP16189649.3

申请日：2013-10-25

申请人： VMware, Inc.

发明人： PHELAN, Thomas A. ,  RAWAT, Mayank ,  MADNANI, Kiran ,  ZHANG, Wei ,  LIU, Deng ,  BANDARUPALLI, Sambasiva

IPC分类号： G06F3/06 ,  G06F9/455 ,  G06F12/02 ,  G06F12/0842

CPC分类号： G06F3/0608 ,  G06F3/0605 ,  G06F3/0631 ,  G06F3/0647 ,  G06F3/065 ,  G06F3/0652 ,  G06F3/0679 ,  G06F9/45558 ,  G06F12/023 ,  G06F12/0246 ,  G06F12/0842 ,  G06F2009/45583

摘要： Techniques for surfacing host-side flash storage capacity to a plurality of VMs running on a host system are provided. In one embodiment, the host system creates, for each VM in the plurality of VMs, a flash storage space allocation in a flash storage device that is locally attached to the host system. The host system then causes the flash storage space allocation to be readable and writable by the VM as a virtual flash memory device.

公开(公告)号：EP2909727A1

公开(公告)日：2015-08-26

申请号：EP13786010.2

申请日：2013-10-15

申请人： VMware, Inc.

发明人： LIU, Deng ,  SCALES, Daniel J.

IPC分类号： G06F12/08 ,  G06F12/12

CPC分类号： G06F12/0866 ,  G06F12/0897 ,  G06F12/121 ,  G06F12/123 ,  G06F12/126

摘要： A technique for efficient cache management demotes a unit of data from a higher cache level to a lower cache level in a cache hierarchy when the higher level cache evicts the unit of data. In a virtualization computing environment, eviction of the unit of data may be inferred by observing privileged memory and disk operations performed by a guest operating system and trapped by virtualization software for execution. When the unit of data is inferred to be evicted, the unit of data is demoted by transferring the unit of data into the lower cache level. This technique enables exclusive caching without direct involvement or modification of the guest operating system. In alternative embodiments, a pseudo-driver installed within the guest operating system explicitly tracks memory operations and transmits page eviction information to the lower level cache, which is able to cache evicted pages while maintaining cache exclusivity.