9+ Explaining What is Single Instance Storage (SIS)

what is single instance storage

9+ Explaining What is Single Instance Storage (SIS)

A knowledge storage method optimizing area utilization by storing just one copy of similar knowledge. Subsequent situations of the identical knowledge are changed with a pointer or reference to the unique copy. Contemplate, for instance, a number of digital machines on a server using the identical working system recordsdata. As a substitute of every VM storing an entire copy, this system ensures just one set of OS recordsdata exists, with the opposite VMs referencing this central occasion.

This method reduces storage capability necessities, improves knowledge administration effectivity, and simplifies backup and restoration processes. Traditionally, it turned important as knowledge volumes elevated quickly, necessitating extra environment friendly storage options. Advantages embody decrease storage prices, quicker knowledge replication, and decreased community bandwidth consumption throughout backups.

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