Abstract: Various embodiments for managing data stored in a tiered data storage environment, by a processor device, are provided. A data file is proactively migrated from a lower tier to a higher tier of the tiered data storage environment by using a multidimensional algorithm adopting an actual frequency of access of the data file to gauge a slope of a predicted frequency of access of the data file. The data file is migrated from the lower tier to the higher tier only if each of a plurality of criteria of the multidimensional algorithm is satisfied.

Abstract: An embodiment of the invention may include a method, computer program product and system for optimizing data defragmentation. The embodiment may include collecting details related to contiguous storage space available on a disk drive. The embodiment may include identifying a type of object storage implementation utilized on the disk drive. The type of object storage implementation is based on how an object is stored within the disk drive. The embodiment may include identifying an important component of the object. The important component of the object is determined by a frequency of access. The embodiment may include identifying a non-important component of the object. The non-important component of the object is determined by a frequency of access. The embodiment may include moving the important component to an outer sector of the disk drive. The embodiment may include moving the non-important component to an inner sector of the disk drive.

Abstract: A computer-implemented method according to one embodiment includes identifying an erasure code storage policy for an unified file and object storage system, determining a plurality of storage disks associated with the erasure code storage policy, retrieving disk health parameters for each of the plurality of storage disks, identifying a number of available outer partition storage blocks for each of the plurality of storage disks, and determining a number of erasure code fragments to be stored for a file within the unified file and object storage system before initiating an objectization process on the file, utilizing the disk health parameters for each of the plurality of storage disks and the number of available outer partition storage blocks for each of the plurality of storage disks.

Abstract: A computer-implemented method according to one embodiment includes identifying at a pre-allocation module a size of object data to be stored within a storage node, identifying at the pre-allocation module file system parameters associated with the storage node, calculating at the pre-allocation module pre-allocated details needed for storing the object data within the storage node, utilizing the size of the object data and the file system parameters associated with the storage node, and sending the object data and the pre-allocated details from the pre-allocation module to the storage node.

Abstract: A system and method dynamically transitions the file system role of compute nodes in a distributed clustered file system for an object that includes an embedded compute engine (a storlet). Embodiments of the invention overcome prior art problems of a storlet in a distributed storage system with a storlet engine having a dynamic role module which dynamically assigns or changes a file system role served by the node to a role which is more optimally suited for a computation operation in the storlet. The role assignment is made based on a classification of the computation operation and the appropriate filesystem role that matches computation operation. For example, a role could be assigned which helps reduce storage needs, communication resources, etc.

Abstract: A computer-implemented method according to one embodiment includes determining a classification associated with an instance of data, determining a vulnerability level of a first storage system at which the instance of data is currently located, and conditionally migrating the instance of data from the first storage system to a second storage system, based on the classification associated with the instance of data and the vulnerability level of the first storage system.

Abstract: Provided are a computer program product, system, and method for determining a storage pool in which to store a data object. Event messages are received. Each event message includes metadata on an object updated in a storage pool of a plurality of storage pools, at least two of the storage pools have different reliability ratings. The event messages are added to a message queue. A determination is made of a data classification of a changed data object indicated in an event message in the message queue. The changed data object is moved to a storage pool having a reliability rating satisfying a reliability rating associated with the data classification of the changed data object.

Abstract: A method, computer system, and a computer program product for designing and executing at least one storlet is provided. The present invention may include receiving a plurality of restore operations based on a plurality of data. The present invention may also include identifying a plurality of blocks corresponding to the received plurality of restore operations from the plurality of data. The present invention may then include identifying a plurality of grain packs corresponding with the identified plurality of blocks. The present invention may further include generating a plurality of grain pack index identifications corresponding with the identified plurality of grain packs. The present invention may also include generating at least one storlet based on the generated plurality of grain pack index identifications. The present invention may then include returning a plurality of consolidated objects by executing the generated storlet.

Abstract: Provided are a computer program product, system, and method for determining a storage pool in which to store a data object. Event messages are received. Each event message includes metadata on an object updated in a storage pool of a plurality of storage pools, at least two of the storage pools have different reliability ratings. The event messages are added to a message queue. Information is added to a database for the event messages in the message queue including the metadata in the event message. A determination is made of a data classification of a changed data object indicated in the database. The changed data object indicated in the database having the determined data classification is moved to a storage pool having a reliability rating satisfying a reliability rating associated with the data classification of the changed data object.

Abstract: A processor may identify a first directory in the storage system. The first directory may include one or more subdirectories in one or more levels under the first directory. The one or more subdirectories may include a second directory that has includes one or more objects. The first directory may be associated with a first inode, and the second directory may be associated with a second inode. The processor may perform a stat call on the second directory to determine metadata attributes for the one or more objects that are stored in the second directory. The metadata attributes for the one or more objects may be stored in the second inode. The processor may add the metadata attributes for the one or more objects to the first inode.

Abstract: A request to monitor a data packet to be transmitted from a first location to a second location over a first network is received. A projected time for the transmission of the data packet from the first location to the second location is determined. Responsive to determining the projected time, whether the data packet arrived at the second location after the projected time plus a variance is determined.

Abstract: Methods and systems for an enhanced restripe mechanism are provided. A system for an enhanced restriping mechanism includes a data storage module that stripes data across a plurality of storage devices, wherein the plurality of storage devices are arranged into a plurality of storage pools and the data is distributed across the plurality of storage pools. Also, the system may include a movement detection module that detects changes in the arrangement of the plurality of storage devices that would cause the data on a storage device in the plurality of storage devices to be moved onto other storage devices in the plurality of storage devices. Further, the system may include a restriping module that restripes disk data from the storage device in the plurality of storage devices onto the other storage devices in response to the detected change based on access characteristics of the data.

Abstract: A computer system receives digital content for communication to a user. Digital fingerprints are calculated from the digital content. The fingerprints are compared to identify redundant digital content. Digital identifications associated with the digital fingerprints are communicated to a user device to determine whether the digital content exists in local storage.

Abstract: A present invention embodiment manages resources of a distributed system to perform computational tasks within a specified time interval. A received object is classified into a type of computational processing, and a quantity of objects is maintained for each type. An execution time for processing a single object is estimated based on a corresponding computation resource template. A total execution time for the quantity of objects of a type of computational processing is determined based on the estimated execution time. In response to the total execution time exceeding a user-specified time interval, an amount of resources of the distributed system is determined to process the quantity of objects of the type within the user-specified time interval. Nodes of the distributed system with objects classified in the type use the determined amount of resources to process the quantity of objects for the type within the user-specified time interval.

Abstract: Embodiments of the present invention provide a method and system for dynamically controlling an appliance based on information received from a wearable device, to regulate the user's health. A wearable device is identified and configured to monitor at least one physiological aspect of the user. A controllable appliance with at least one sensor and at least one controllable setting is also identified. Health information of the user is received and utilized in generating, a user profile which comprises parameters related to the health of the user. Data from the wearable device and data from the controllable appliance is analyzed and it is determined whether the data matches the parameters related to the health of the user. If the data does not match the parameters related to the health of the user, then at least one controllable setting of the at least one controllable appliance is adjusted.

Abstract: A microservice executing in a distributed computing system may receive a request to delete a target object stored in the distributed computing system. The microservice may identify dependent objects for the target object using information received in the request. The microservice may generate a new object that includes the data from the target object and the data from the one or more dependent objects. The new object may be stored in the distributed computing system, and the target object may be removed from the distributed computing system.

Abstract: A computer-implemented method, according to one embodiment, includes: selecting two previously captured snapshots and calculating a checksum for each file in each of the two snapshots. The checksums are used to determine whether the two snapshots are sufficiently similar to each other. In response to determining that the two snapshots are sufficiently similar to each other, important ones of the files in each of the two snapshots are identified. The identified important files which are located in a lower performance tier of a multi-tier data storage system are transitioned to a higher performance tier of the multi-tier data storage system. Moreover, a merged snapshot is created by merging the two snapshots, and the merged snapshot is provided for additional operations. Other systems, methods, and computer program products are described in additional embodiments.

Abstract: Provided are a computer program product, system, and method for defragmenting files having file blocks in multiple point-in-time copies. Multiple point-in-time copies for a file having file blocks ap. Maintained. Each point-in-time copy to the file has at least one different block in the storage for at least one of the file blocks in the file. For each of a plurality of the point-in-time copies for the file, moving the blocks for the file blocks in the point-in-time copy to contiguous locations on the storage.

Abstract: A computer system receives digital content for communication to a user. Digital fingerprints are calculated from the digital content. The fingerprints are compared to identify redundant digital content. Digital identifications associated with the digital fingerprints are communicated to a user device to determine whether the digital content exists in local storage.

Abstract: A processor may identify a first directory in the UFO storage system. The first directory may include one or more subdirectories in one or more levels under the first directory. The one or more subdirectories may include a second directory that has includes one or more objects. The first directory may be associated with a first inode, and the second directory may be associated with a second inode. The processor may perform a stat call on the second directory to determine metadata attributes for the one or more objects that are stored in the second directory. The metadata attributes for the one or more objects may be stored in the second inode. The processor may add the metadata attributes for the one or more objects to the first inode.