Extendable chunks

Extendable chunks are chunks that Informix® can automatically extend or you can manually extend when additional storage space is required for an application. If you have extendable chunks, you are not required to add new chunks or spend time trying to determine which storage space will run out of space and when it will run out of space.

Configuring Informix to automatically add more storage space prevents the error that can occur if a partition requires additional storage space and cannot find that space in one of the chunks in the space in which the partition is located.

An extendable chunk must be in a nonmirrored dbspace or temporary dbspace.

You use an SQL administration API command with the modify space sp_sizes argument to modify the extend size and the create size for the space in which your extendable chunk is located.

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