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EMC Glossary

Block Data Compression

Block data compression reduces the size of data on disk, increasing available capacity up to 50 percent. Compression can be enabled automatically and operates in the background to avoid performance degradation.

Who chooses block data compression, and why

Anyone with a block-based storage solution can benefit from block data compression. Since compression is managed as a volume attribute, it's easy to enable, configure, and monitor regardless of user expertise.

How block data compression works

Block data compression reduces the size of data on disk, enabling more efficient storage capacity utilization on EMC CLARiiON and EMC Celerra systems. Compression occurs in the background to minimize performance overhead.

Benefits of block data compression

Block data compression frees up valuable storage capacity with minimal performance overhead. In contrast to deduplication, compression applies to all data, resulting in capacity savings of up to 50 percent.

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