A chain with one VBK at its start and only VIB increments after it; synthetic or active fulls never occur. When retention is reached, the earliest increment merges into the VBK.
Also called FFI.
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In the Ultra Transcenders books
Each book explains forever forward incremental in context, with comparison tables and the common traps.
Terms in this definition
- VIB
ESX's software package format, used for items such as drivers and agents. Before installation the host checks each package's acceptance level and signature.
Related terms
- backup method
Three schemes exist: forward incremental, forever forward incremental and reverse incremental. The one chosen fixes which files make up a chain and their sequence, and so how heavily and in what way the repository is read and written.
- compact of full backup file
Forever forward incremental chains become fragmented as merges repeat; this task fixes that by writing a new full file with its blocks placed next to each other.