STORAGE REPLICATION SYSTEMS AND METHODS
Granted: May 5, 2011
Application Number:
20110106763
Systems and methods for information storage replication are presented. In one embodiment a replication method includes performing an intelligent synchronization process of selected portions of a primary image and intelligent verification of the accuracy of the replication. The intelligent synchronization process can include forwarding information if the information is in use (e.g., has been altered, written to, etc.) and the intelligent verification can be performed on the information in…
METHOD FOR QUICKLY IDENTIFYING DATA RESIDING ON A VOLUME IN A MULTIVOLUME FILE SYSTEM
Granted: May 5, 2011
Application Number:
20110106862
A method for quickly identifying data residing on a volume in a multivolume file system. The method includes generating a file location map, the file location map containing a list of the locations of files that occupy space on each of a plurality of volumes of the file system. The file system comprises least a first volume and a second volume. The file location map is updated in accordance with changes in a file change log for the file system. Data residing on the first volume of the…
USING A PER FILE ACTIVITY RATIO TO OPTIMALLY RELOCATE DATA BETWEEN VOLUMES
Granted: May 5, 2011
Application Number:
20110106863
A method for identifying data for relocation in a multivolume file system. The method includes generating a file location map, the file location map containing a list of the locations of files that occupy space on each of a plurality of volumes of the file system, wherein The file system comprising least a first volume and a second volume. The method further includes updating the file location map in accordance with changes in a file change log for the file system, and identifying data…
SYNCHRONIZING SNAPSHOT VOLUMES ACROSS HOSTS
Granted: May 5, 2011
Application Number:
20110107025
Prior to overwriting a block of data in a first volume of data on a primary host, the block of data is written to a first snapshot of the first volume. Subsequently, the first snapshot can be synchronized with a snapshot of a second volume of data on a secondary host, where the second volume is a replica of the first volume. To synchronize the snapshots, only a portion of the first snapshot (e.g., the block of data that was written to the first snapshot) is sent to the secondary host.
MANAGING REMOTE PROCEDURE CALLS WHEN A SERVER IS UNAVAILABLE
Granted: May 5, 2011
Application Number:
20110107358
A server node can monitor the status of servers in a server cluster. The node may receive an alert indicating that a server in the server cluster is unavailable. In response to the alert, the node can send instructions that cause pending remote procedure call requests to be canceled and then reissued to another server in the server cluster instead of to the first server.
PERIODIC FILE SYSTEM CHECKPOINT MANAGER
Granted: April 7, 2011
Application Number:
20110082835
A periodic checkpoint method for a file system replication source. The method comprises generating a first checkpoint at a first time on a file system replication source and identifying a set of data objects from the replication source that have been modified during a time period between the first time and a subsequent second time. A periodic checkpoint is then generated at the second time on the file system replication source by using the set of data objects.
STORAGE REPLICATION SYSTEMS AND METHODS
Granted: April 7, 2011
Application Number:
20110082836
Systems and methods for information storage replication are presented. In one embodiment, a namespace conversion process is performed. Node information regarding a file systems operation change is received. A changed node to pathname object conversion process is performed. An unchanged node to pathname object conversion process is performed. In one exemplary implementation, the changed node to pathname object conversion process and the unchanged node to pathname object conversion process…
Using Metadata In Security Tokens to Prevent Coordinated Gaming In A Reputation System
Granted: March 17, 2011
Application Number:
20110067086
To prevent gaming of a reputation system, a security token is generated for a security module using metadata about the client observed during the registration of the security module. The registration server selects metadata for use in generating the security token. The generated security token is provided to identify the client in later transactions. A security server may conduct a transaction with the client and observe metadata about the client during the transaction. The security…
Individualized Time-to-Live for Reputation Scores of Computer Files
Granted: March 17, 2011
Application Number:
20110067101
An individualized time-to-live (TTL) is determined for a reputation score of a computer file. The TTL is determined based on the reputation score and the confidence in the reputation score. The confidence can be determined based on attributes such as the reputation score, an age of the file, and a prevalence of the file. The reputation score is used to determine whether the file is malicious during a validity period defined by the TTL, and discarded thereafter.
Systems and Methods for Using Multiple In-line Heuristics to Reduce False Positives
Granted: March 3, 2011
Application Number:
20110055123
An exemplary method for using multiple in-line heuristics to reduce false positives may include: 1) training a first heuristic using a set of training data, 2) deploying the first heuristic, 3) identifying false positives produced by the first heuristic during deployment, 4) modifying the training data to include the false positives produced by the first heuristic, 5) creating a second heuristic using the modified training data, 6) deploying both the first heuristic and the second…
METHOD AND APPARATUS FOR FILTERING EMAIL SPAM USING EMAIL NOISE REDUCTION
Granted: March 3, 2011
Application Number:
20110055343
A method and system for filtering email spam using email noise reduction are described. In one embodiment, the method includes detecting, in an email message, data indicative of noise added to the email message to avoid spam filtering. The method further includes modifying the content of the email message to reduce the noise, and comparing the modified content of the email message with the content of a spam message.
METHOD AND SYSTEM FOR FORWARDING DATA BETWEEN PRIVATE NETWORKS
Granted: February 17, 2011
Application Number:
20110040968
In the field of communications technology, a method and a system for forwarding data between private networks are provided, which can enable terminals in different private networks to securely communicate with each other by using private network addresses. The method includes the following steps. A Secure Socket Layer (SSL) tunnel to an SSL Virtual Private Network (VPN) device in another private network is established. Address allocation information of the another private network is…
Systems and Methods for Updating a Software Product
Granted: February 10, 2011
Application Number:
20110035740
A method may include receiving a request to install a second version of a software product over a first version of the software product, installing the second version of the software product in a dormant state while the first version of the software product is running, and swapping the first and second versions of the software product by activating the second version of the software product and deactivating the first version of the software product. Various other methods, systems, and…
SYSTEM AND METHOD FOR BACKING UP A COMPUTER SYSTEM
Granted: January 6, 2011
Application Number:
20110004585
A backup computer storage system that protects and/or recovers data on a primary computer storage system is disclosed. The backup computer system may be used to backup databases, files, and/or applications. The backup system may be used to backup an image of the primary computer system. The backup system may also be used to backup one or more databases. The backup system may replicate an image of data that is on a primary computer system. The backup system may also be used to restore…
Source Classification For Performing Deduplication In A Backup Operation
Granted: December 9, 2010
Application Number:
20100312752
A system, method, and computer program product for backing up data from a backup source to a central repository using deduplication, where the data comprises source data segments is disclosed. A fingerprint cache comprising fingerprints of data segments stored in the central repository is received, where the data segments were previously backed up from the backup source. Source data fingerprints comprising fingerprints (e.g., hash values) of the source data segments are generated. The…
TECHNIQUES FOR SYSTEM RECOVERY USING CHANGE TRACKING
Granted: October 28, 2010
Application Number:
20100274980
Techniques for system recovery using change tracking are disclosed. In one particular exemplary embodiment, the techniques may be realized as a computer implemented method for providing system recovery using change tracking comprising receiving a request to write to electronic storage, identifying a region in the electronic storage region associated with the write request, setting a region indicator identifying the electronic storage region as dirty, and setting one or more portion…
Systems and Methods for Controlling Initialization of a Fingerprint Cache for Data Deduplication
Granted: September 30, 2010
Application Number:
20100250858
A computer-implemented method for controlling initialization of a fingerprint cache for data deduplication associated with a single-instance-storage computing subsystem may comprise: 1) detecting a request to store a data selection to the single-instance-storage computing subsystem, 2) leveraging a client-side fingerprint cache associated with a previous storage of the data selection to the single-instance-storage computing subsystem to initialize a new client-side fingerprint cache, and…
Methods and Systems for Applying Parental-Control Policies to Media Files
Granted: September 16, 2010
Application Number:
20100235923
A computer-implemented method may intercept a file-system call associated with a media file. The computer-implemented method may determine an attribute of the media file. The computer-implemented method may also identify a parental-control policy associated with the attribute of the media file. The computer-implemented method may further apply the parental-control policy to the media file. Various other methods, systems, and computer-readable media are also disclosed.
Methods and Systems for Merging Virtualization Sublayers
Granted: September 9, 2010
Application Number:
20100229169
A computer-implemented method may include identifying first and second sublayers of a virtualized application. The first and/or second virtualization sublayers may include a read-write sublayer, a read-only sublayer, a virtual-reset-point sublayer, and/or a patch sublayer. The computer-implemented method may also include merging an instance of the first virtualization sublayer with an instance of the second virtualization sublayer. Various other methods, systems, and computer-readable…
Methods and Systems for Detecting Man-in-the-Browser Attacks
Granted: June 24, 2010
Application Number:
20100162393
A computer-implemented method for detecting man-in-the-browser attacks may include identifying a transaction fingerprint associated with a web site. The method may also include tracking a user's input to the web site. The user's input may be received through a web browser. The method may further include intercepting an outgoing submission to the web site. The method may additionally include determining whether, in light of the transaction fingerprint, the user's input generated the…
