Maintenance; Configuration On Disk (Cod) Feature; Rebuild Feature - NEC N8103-91 User Manual

Disk array controller (internal sas hdd)

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3. Maintenance

The disk array controller supports the following maintenance features

Critical boot feature

3-1. Configuration on Disk (COD) Feature

The COD feature writes the configuration information into HDDs. The feature prevents the

configuration information from being lost if the disk array controller is defected and

replaced. After the disk array controller is replaced, the COD feature can read the

configuration information from HDDs to operate the controller normally.

Check

3-2. Rebuild Feature

When a HDD is defected, the rebuild feature recovers the data in the defected HDD. The

feature is available for redundant logical drives in the RAID1, or RAID5 level.

See "Chapter 3 Features of Disk Array Controller" for details.

The disk array controller does not save the configuration information within

it. Instead, it writes and saves the configuration information in HDDs.

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