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1. WO2021067283 - METHODS FOR SCALABLE FILE BACKUP CATALOGS AND DEVICES THEREOF

Publication Number WO/2021/067283
Publication Date 08.04.2021
International Application No. PCT/US2020/053294
International Filing Date 29.09.2020
IPC
G06F 16/11 2019.01
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
FELECTRIC DIGITAL DATA PROCESSING
16Information retrieval; Database structures therefor; File system structures therefor
10File systems; File servers
11File system administration, e.g. details of archiving or snapshots
G06F 11/14 2006.01
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
FELECTRIC DIGITAL DATA PROCESSING
11Error detection; Error correction; Monitoring
07Responding to the occurrence of a fault, e.g. fault tolerance
14Error detection or correction of the data by redundancy in operation, e.g. by using different operation sequences leading to the same result
CPC
G06F 11/1435
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
11Error detection; Error correction; Monitoring
07Responding to the occurrence of a fault, e.g. fault tolerance
14Error detection or correction of the data by redundancy in operation
1402Saving, restoring, recovering or retrying
1415at system level
1435using file system or storage system metadata
G06F 11/1451
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
11Error detection; Error correction; Monitoring
07Responding to the occurrence of a fault, e.g. fault tolerance
14Error detection or correction of the data by redundancy in operation
1402Saving, restoring, recovering or retrying
1446Point-in-time backing up or restoration of persistent data
1448Management of the data involved in backup or backup restore
1451by selection of backup contents
G06F 11/1461
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
11Error detection; Error correction; Monitoring
07Responding to the occurrence of a fault, e.g. fault tolerance
14Error detection or correction of the data by redundancy in operation
1402Saving, restoring, recovering or retrying
1446Point-in-time backing up or restoration of persistent data
1458Management of the backup or restore process
1461Backup scheduling policy
G06F 11/1464
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
11Error detection; Error correction; Monitoring
07Responding to the occurrence of a fault, e.g. fault tolerance
14Error detection or correction of the data by redundancy in operation
1402Saving, restoring, recovering or retrying
1446Point-in-time backing up or restoration of persistent data
1458Management of the backup or restore process
1464for networked environments
G06F 11/1469
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
11Error detection; Error correction; Monitoring
07Responding to the occurrence of a fault, e.g. fault tolerance
14Error detection or correction of the data by redundancy in operation
1402Saving, restoring, recovering or retrying
1446Point-in-time backing up or restoration of persistent data
1458Management of the backup or restore process
1469Backup restoration techniques
G06F 16/113
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
16Information retrieval; Database structures therefor; File system structures therefor
10File systems; File servers
11File system administration, e.g. details of archiving or snapshots
113Details of archiving
Applicants
  • NETAPP, INC. [US]/[US]
Inventors
  • KAPLINGAT, Nikhil Bhavadas
  • KURAMKOTE, Ravindra
  • RACHAPUDI, Amarnath
  • SEN, Subhabrata
Agents
  • GALLO, Nicholas, J.
  • MERKEL, Edwin V.
  • SMITH, Bryan C.
  • GOLDMAN, Michael L.
  • LEINBERG, Gunnar G.
Priority Data
16/750,04823.01.2020US
62/909,36902.10.2019US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) METHODS FOR SCALABLE FILE BACKUP CATALOGS AND DEVICES THEREOF
(FR) PROCÉDÉS DE CATALOGUES DE SAUVEGARDE DE FICHIERS ÉVOLUTIFS ET DISPOSITIFS ASSOCIÉS
Abstract
(EN)
Methods, non-transitory machine readable media, and computing devices that provide file backup catalogs with improved scalability are disclosed. With this technology, a sequence number is incremented and an entry for a snapshot associated with obtained metadata for the snapshot is generated. The snapshot entry comprises a snapshot identifier for the snapshot and the incremented sequence number. A current version flag is then set in another entry for a file associated with a create event identified in the metadata. The file entry includes a file identifier for the file, a create attribute comprising the incremented sequence number, and a delete attribute. The file and snapshot entries are then inserted into indice(s) in a catalog database. Based on the schema of the indice(s), this technology provides a lightweight, elegant, and highly scalable catalog that more efficiently facilitates full path global file search and restore functionality with reduced resource utilization.
(FR)
L'invention concerne des procédés, des supports lisibles par machine non transitoires et des dispositifs informatiques fournissant des catalogues de sauvegarde de fichiers avec une évolutivité améliorée. Avec cette technologie, un numéro de séquence est incrémenté et une entrée pour un instantané associé aux métadonnées obtenues pour l'instantané est générée. L'entrée d'instantané comprend un identifiant d'instantané pour l'instantané et le numéro de séquence incrémenté. Un indicateur de version actuelle est ensuite placé dans une autre entrée pour un fichier associé à un événement de création identifié dans les métadonnées. L'entrée de fichier comprend un identifiant de fichier pour le fichier, un attribut de création comprenant le numéro de séquence incrémenté, et un attribut de suppression. Les entrées de fichier et d'instantané sont ensuite insérées dans un index (ou des index) dans une base de données de catalogue. Sur la base du schéma de l'index (ou des index), cette technologie fournit un catalogue léger, élégant et hautement évolutif qui facilite de manière plus efficace la recherche et la restauration de fichier global à chemin complet avec une utilisation réduite des ressources.
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