International Business Machines Corporation

Asaf Ekshtein

Shay Haim Akirav

Elena Drobchenko

Tzafrir Z Taub

Dov N Hepner

Ofer Leneman

Aviv Caro

Yariv Bachar

Gil E Paz

Itay Maoz

Evgeny Budilovsky

Aharon Lazar

Shiri Alexander

Neville Yates

Ofer Lenaman

A calculated factoring ratio is determined as a weighted ratio of current nominal data to physical data. A maximal nominal estimated space in the computing storage environment is calculated. A remaining space, defined as the maximal nominal estimated space minus a current nominal space in the computing storage environment, is calculated. Data replication operations are accepted and stored in the computing storage environment if the remaining space is below a predetermined threshold of space for backup operations.

Space reservation in a deduplication system

Visibility of a data storage entity on a first storage system is switched to a replicated data storage entity on a second storage system. Data from the data storage entity is replicated from the first storage system to the second storage system using a common serial number. The data storage entity is hidden from the first storage system by concealing the common serial number. An ejection of the data storage entity from the first storage system is automated, and the replicated data storage entity is introduced to the second storage system.

Switching visibility between virtual data storage entities

A calculated factoring ratio is determined as a weighted ratio of current nominal data to physical data based on at least one storage capacity threshold and a used storage space currently physically consumed by one of backup and replication data. A maximal nominal estimated space in the computing storage environment is calculated. A remaining space, defined as the maximal nominal estimated space minus a current nominal space in the computing storage environment, is calculated. If the remaining space is one of equal and less than a user-configured reservation space for backup operations, data replication operations are accepted and stored in the computing storage environment.

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Petach-Tikva, Israel

Asaf Ekshtein