Symantec Corporation

Veritas Technologies LLC

Pavilion Data Systems, Inc.

Pavilion Data System, Inc.

Venkeepuram R Satish

Niranjan Sanjiv Pendharkar

Raghuraman Govindasamy

Subhojit Roy

Navin Kabra

Sudhir Kumar

Bharat Dighe

Ashish Karnik

Suhas Dantkale

Sachin M Vaidya

Vidyut Kaul

Himanshu Ashwani

Subhadeep De

Jaya Singhvi

Muthukumar Ratty

Ronald S Karr

Kiron Balkrishna Malwankar

Anish A Vaidya

Pu Paul Zhang

Grace Jing Chen

Sundar Kanthadai

Anand J Bhalerao

Ray Siruno

Eugene Fleisher

Charles Paul Jerian

Naresh Moorthy

Prashant Monteiro

A storage server includes a plurality of solid state drives (SSDs), a plurality of input/output (IO) controllers, and a plurality of fabrics. Each fabric is configured to provide a fully connected mesh topology that connects each of the plurality of IO controllers to each of the plurality of SSDs. Each fabric comprises a management controller, a first switch layer comprising a first plurality of switches coupled to the plurality of IO controllers, and a second switch layer comprising a second plurality of switches coupled to a) the first plurality of switches and b) the plurality of SSDs, The first switch layer and the second switch layer together provide the fully connected mesh topology that connects every IO controller of the plurality of IO controllers to every SSD of the plurality of SSDs.

High availability storage system

A storage server includes a first controller, a second controller and physical drives. The first controller receives a request to store data in a virtual block address (VBA) of a virtual drive, determines a physical block address (PBA) of a physical drive on which to store the data, and sends to the physical drive a command to store the data at the PBA. The first controller generates a first metadata update for a first metadata table associated with the virtual drive, wherein the first metadata update indicates a mapping of the VBA to the PBA. The first controller generates a second metadata update for a second metadata table that identifies statuses of PBAs, wherein the second metadata update indicates that the PBA is valid. The first controller writes an entry to a cache in a memory, the entry comprising the first metadata update and the second metadata update.

Low latency metadata log

A processing device of a storage server that manages a plurality of physical storage devices arranged in a plurality of stripes receives a request to write data. The processing device determines a total number of available stripe units to satisfy the request, identifies one or more stripes of the plurality of stripes that collectively include at least the total number of available stripe units, allocates the one or more stripes to the request, and stores the data for the request in the available stripe units of the one or more stripes.

Spread space tracking

A processing device generates a clone of a first volume of storage, the first volume comprising a plurality of storage blocks, wherein the clone is a second volume that is writable and that references the plurality of storage blocks. The processing device increments a global volume count that represents a number of volumes. For each storage block of the plurality of storage blocks, the processing device postpones an update to metadata of the storage block until an event that causes any volume to stop referencing the storage block, wherein the metadata indicates volumes that reference the storage block.

Writable clones with minimal overhead

A storage server includes an IO controller, a management controller and physical drives. The IO controller generates multiple metadata updates and writes a cache entry that includes the multiple metadata updates to a first cache in memory of the management controller. The IO controller additionally writes a copy of the cache entry to a second cache in a memory of the IO controller and increments a commit pointer in the first and second caches to indicate that the metadata updates are committed.

Recovery mechanism for low latency metadata log

The disclosed computer-implemented method for enabling multiple-perspective administration of computing systems may include (1) receiving, from a user, a request to administer a computing system that includes a plurality of types of components, (2) identifying an administrative role of the user, (3) identifying a primary component of a primary type of component that is administered by the user in the administrative role, (4) identifying a secondary component of a secondary type of component that is not administered by the user in the administrative role, and (5) providing, via a graphical user interface, a perspective of the computing system to the user that (a) enables the user to administer the computing system by administering the primary component and view information about the secondary component in terms of the primary component and (b) prevents the user from administering the secondary component. Various other methods, systems, and computer-readable media are also disclosed.

Systems and methods for enabling multiple-perspective administration of computing systems

A method of storing data in a storage system is provided. The method includes writing data, from a virtual machine in a compute node, to a primary storage coupled to the virtual machine and sending a first copy of the data from the compute node to a data node. The method includes writing the first copy of the data from the compute node to an intermediate storage coupled as direct attached storage to the data node, and writing a second copy of data from the intermediate storage to a secondary storage, wherein at least one method operation is performed by a processor. A storage system is also provided.

Data management tier coupling primary storage and secondary storage

A method and apparatus for managing configurations of computer resources in a datacenter is described. In one embodiment, a method comprises analyzing multiple configurations using rule information to produce an analysis result where each configuration in the multiple configurations defines a configuration of a resource that is managed by the data center, training a Bayesian classifier using the analysis result, and classifiying a second configuration using the trained Bayesian classifier.

Method and apparatus for managing configurations

A method and apparatus for reliable I/O performance anomaly detection. In one embodiment of the method, input/output (I/O) performance data values are stored in memory. A first performance data value is calculated as a function of a first plurality of the I/O performance data values stored in the memory. A first value based on the first performance data value is calculated. An I/O performance data value is compared to the first value. A message is generated in response to comparing the I/O performance value to the first value.

Method and apparatus for reliable I/O performance anomaly detection in datacenter

Various systems and methods for management and provisioning of virtual machines are disclosed. For example, embodiments include selecting a potential node to host a virtual machine, where the node is selected from among a plurality of potential nodes. The selection may be based on a virtual machine (VM) configuration of a virtual machine, which may include various requirements needed to host the VM. Embodiments also include provisioning the VM on the host node after the host node is selected from among the plurality of potential nodes, and determining whether a currently-hosted node are operating in accordance with various criteria needed for the VM.

Management and provisioning of virtual machines

The present disclosure provides for performing virus scans at a storage device that stores one or more virtual machine disk image files (VMDK files). A secure AV module can coordinate communication between a file system on the storage device, a file system (FS) decoder, and an anti-virus engine to perform a virus scan of files contained within a VMDK file. A secure AV module can determine a subset of files that include changed data, where the subset of files is stored in a file system volume within a VMDK file. The secure AV module can use an FS decoder to translate file addresses relative to the file system volume into file addresses relative to the network storage file system. A secure AV module can provide the network storage file system addresses of the subset of files to the anti-virus engine, which can perform a virus scan on the files.

Securing virtual machines with optimized anti-virus scan

A process running on a virtual machine determines an application level specified SLA, according to which an application is to be made available. The virtual machine level process transmits the SLA to a process running on a cluster infrastructure. The cluster infrastructure level process uses high-availability cluster functionality to configure the cluster infrastructure to make the application available as specified by the SLA. Where the SLA specifies failover support for the virtual machine on which the application is running, nodes of the cluster infrastructure are made available for this purpose. The application is thus made available as specified by the SLA. This can be done without requiring an application administrator to have access to the cluster infrastructure, or participation by an infrastructure administrator.

Automatically configuring and maintaining cluster level high availability of a virtual machine running an application according to an application level specified service level agreement

The present disclosure provides storage management systems and methods. A hierarchical configuration information process includes accessing information regarding hierarchical relationships of components associated with a storage environment. A storage resource consumption detection process includes detecting consumption of storage resources included in the storage environment. A coordinated consumption analysis process is coordinated across multiple levels of an active spindle hierarchy. A reaction process includes performing an automated consumption notification process and an automated reclamation process based upon results of the storage resource consumption detection process.

Storage management systems and methods in hierarchical storage systems

A system and method for anomaly detection and presentation. The method of anomaly detection and presentation comprises receiving information for a plurality of traits from a plurality of servers. A first server has fewer of the plurality of traits than a second server. A first trait is on fewer of the plurality of servers than a second trait. The plurality of servers is rendered in a graphical display wherein the first server is positioned to one side of the second server based on respective numbers of traits had by the first and second servers. The first trait is rendered in the graphical display to one side of the second trait based on respective numbers of systems having the first and second traits. A table may be displayed in a cell in response to a user request. Anomalous traits may be displayed in an anomaly table.

Method and system for anomaly detection and presentation

Various systems and methods for management and provisioning of virtual machines are disclosed. This invention may be used, e.g., in conjunction with clusters of nodes that are potentially capable of hosting one or more virtual machines. In one aspect of this invention, the nodes may rank themselves, or be ranked, based on their ability to support a requested virtual machine configuration. Each of the clusters may also be ranked based on, for example, the aggregate ranks of the nodes within that cluster. After the nodes and/or clusters have been ranked, a cluster and/or a node may be selected to host the virtual machine, and the virtual machine may be provisioned on that cluster and/or node.

Growing community of inventors

Fremont, CA, United States of America

Venkeepuram R Satish