Rainer Wolafka
Rainer Wolafka, Bad Soden DE
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20080276125 | Data Processing Method - The invention relates to a data processing method comprising generating meta-data for each data file stored by back-up servers of a set of back-up servers on a storage medium of a plurality of storage media. The meta-data of a data file comprises the file name of the data file, a content-specific identifier and an access path for the data file. The content-specific identifier relates to the data content comprised in the data file and the access path specifies on which storage medium on the plurality of storage media the data file is stored. The method further comprises storing the meta-data of each data file in a database, wherein the database enables the identification of data files having the same data content by use of the content-specific identifiers of the data files as these data files have identical content-specific identifiers. | 11-06-2008 |
20090024857 | Reducing Power Consumption of Mirrored RAID Subsystems - Power consumption reduction of a mirrored RAID storage subsystems is disclosed, wherein data are mirrored to a secondary mirror disk system, the secondary mirror disk system alternates between an operational stage and a power-save stage, wherein data to be mirrored to the secondary mirror disk system is saved in a substantially always operational pre-stage storage if the secondary mirror disk system is in a power save stage and subsequently moved from the pre-stage storage to the secondary mirror disk system when the secondary mirror disk system is operational. | 01-22-2009 |
20090070539 | Automated File Recovery Based on Subsystem Error Detection Results - The present invention provides a method and system for performing file recovery in a computer system coupled to a storage subsystem, wherein a data scrubbing process analyzes said storage subsystem for potential or existing storage errors. The method includes: receiving a report from said data scrubbing process describing said errors, including logical block addresses (LBAs) of storage locations containing errors; interacting with a file system created on logical unit numbers (LUN) provided by said storage subsystem in order to identify file information pertaining to the erroneous LBAs; moving the file pertaining to said erroneous LBAs to a different storage location; updating pointers to said file; in case of an unrecoverable, accessing a backup copy of said file from a backup location; if a predetermined degree of error severity is exceeded, creating an additional copy of said file; and updating the pointers to said file managed by the file system, respectively. | 03-12-2009 |
20090077099 | Method and Infrastructure for Storing Application Data in a Grid Application and Storage System - A grid application and storage system to enhance data access. The grid application and storage system comprises a plurality of grid application storage nodes with at least one storage system, said grid application storage nodes being remote to each other and connected via inter-connections; at least one application process distributed across said grid application storage nodes; and at least one grid node control process also distributed across said grid application storage nodes, said grid node control process managing grid application storage node operations. A plurality of client systems are connected to said grid application and storage system via a network for deploying said application process and accessing application data stored on said grid application storage nodes. | 03-19-2009 |
20090249003 | METHOD AND SYSTEM FOR MULTIPLEXING CONCATENATED STORAGE DISK ARRAYS TO FORM A RULES-BASED ARRAY OF DISKS - A method, system and computer-readable medium are disclosed for efficiently multiplexing concatenated storage devices. An intelligent storage controller continuously monitors data access of a number of concatenated storage devices. In response to a request to write new data, the controller writes a primary data copy to the concatenated storage device having the lowest data access. Then the controller writes a secondary data copy to the device having the next lowest data access. In response to a read request, the controller reads data from the data copy located on the concatenated storage device having the lower data access. In response to an update request, the controller, after determining that data access does not exceed a predetermined threshold, the controller updates the data copy having the lowest data access, set that copy as the new primary copy and subsequently updates the other copy, setting that copy as the new secondary copy. | 10-01-2009 |
20090276648 | QUAD-STATE POWER-SAVING VIRTUAL STORAGE CONTROLLER - A method, system and computer program product for reducing the collective power consumption of a plurality of storage devices including a plurality of associated storage volumes is provided. The storage volumes are grouped by a last access time according to a plurality of ranks. The plurality of ranks corresponds to a level of power consumption based on device activity. A volume of the plurality of storage volumes is moved between the plurality of ranks according to an access pattern of the volume. | 11-05-2009 |
Rainer Wolafka, San Jose, CA US
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20080320057 | MANAGING AN ARCHIVED FILE SYSTEM - A determination is made that an archive that includes at least one file is present in association with an operating system file system. An additional file system is generated for accessing the archives. The generated additional file system is included in the operating system file system. An application is allowed to access the at least one file via the generated additional file system. | 12-25-2008 |
Rainer Wolafka, Mainz DE
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20120179928 | OPTIMIZED POWER SAVINGS IN A STORAGE VIRTUALIZATION SYSTEM - Various embodiments for optimized power savings in a storage virtualization system are provided. First meta data for physical resources which describes a power status of a storage resource in one of a powered-on/read-write, powered-on/read only, and powered-off power state is created. Second meta data for each of the physical storage resources which determines an actual performance of the physical storage resources and which supports optimization of a powering-on and a powering-off of the physical storage resources is created. A write request from one of a host and application to logical and virtual storage resource is executed. | 07-12-2012 |
20140195738 | I/O Write Request Handling in a Storage System - An improved method for I/O write request handling in a storage system comprising at least one normal storage device and at least one cache device. An I/O write request created by an external device is received. Two parallel threads are created for each write operation. A first thread attempts to execute the write operation using the at least one normal storage device without using the at least one cache device. A second thread monitors the first thread and is triggered to execute the write operation using the at least on cache device if the first thread has not finished the write operation within a given time threshold. In either case, an I/O write completion response is provided to the external device in order to avoid timing out of the write operation. The at least one cache device is freed from data written by the second thread if the first thread completes the write operation after the given time threshold. | 07-10-2014 |
20140304309 | METHOD FOR FILE HANDLING IN A HIERARCHICAL STORAGE ENVIRONMENT AND CORRESPONDING HIERARCHICAL STORAGE ENVIRONMENT - A method for file handling in a hierarchical storage environment includes receiving a new document for storage, and triggering and/or initiating a new document notification process upon receipt of the new document. The new document notification process includes scanning the new document for a set of keywords and/or references; creating enhanced metadata for the new document, wherein the enhanced metadata includes the set of keywords and/or references from said scanning; storing the enhanced metadata in a file system; and evaluating the enhanced metadata via a relationship analyzing process to produce a priority list defining a likelihood of possible access. The method also includes storing the new document in a storage tier of a hierarchical storage environment according to the priority list. | 10-09-2014 |
Rainer Wolafka, Hofheim-Langenhain DE
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20130047071 | WEB CONTENT MANAGEMENT BASED ON TIMELINESS METADATA - A server receives a hypertext request from a client. The server looks up a hypertext document, wherein looking up comprises obtaining a first HTML element and a second HTML element and combining the first HTML element and second HTML element into a hypertext document, in response receiving the hypertext request from the client. The server parses the hypertext document for timeliness tags. The server generates at least one header tag based on the timeliness tags. The server determines whether at least one expired tag is among the timeliness tags. Responsive to a determination that at least one expired tag is among the timeliness tags, the server can look up a timeliness tag rule corresponding to the at least one timeliness tag. | 02-21-2013 |
20130047073 | WEB CONTENT MANAGEMENT BASED ON TIMELINESS METADATA - A server receives a hypertext request from a client. The server looks up a hypertext document, wherein looking up comprises obtaining a first HTML element and a second HTML element and combining the first HTML element and second HTML element into a hypertext document, in response receiving the hypertext request from the client. The server parses the hypertext document for timeliness tags. The server generates at least one header tag based on the timeliness tags. The server determines whether at least one expired tag is among the timeliness tags. Responsive to a determination that at least one expired tag is among the timeliness tags, the server can look up a timeliness tag rule corresponding to the at least one timeliness tag. | 02-21-2013 |
Rainer Wolafka, Hofheim Am Taunus DE
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20140149530 | IN-BAND MANAGEMENT OF A NETWORK ATTACHED STORAGE ENVIRONMENT - An aspect includes a method for in-band management of a network attached storage environment. A client is connected via a standard network attached storage protocol to a network attached storage system using existing authorization and authentication procedures. Advanced management functions are exposed to the client via a special file system structure over the standard network attached storage protocol. The client uses existing standard network attached storage protocol functions on the special file system structure to retrieve and to invoke the advanced management functions. Result data are returned to the client using a feedback channel and the standard network attached storage protocol. | 05-29-2014 |