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Notification Manager
A tool used to notify remote systems of events, problems, and configuration
changes occurring on a local system.
O
offline
A logical drive state in which the logical drive is inaccessible.
okay
A logical drive state in which the logical drive is functional.
online
A physical-drive state in which the physical drive is functioning properly and is
part of an array.
P
parity
The data stored on a RAID level-5, level-5E, level-5EE, or level-50 logical drive that
can be used, in conjunction with the data on the remaining drives, to recreate a
failed physical drive’s data.
parity block
In a RAID level-5, level-5E, or level-50 logical drive, a data unit that contains a
representation of the data from other blocks in the same stripe.
partner name
In a cluster or failover pair, one of the two controller names entered during
configuration.
physical drive
A hard disk drive.
PFA
Predictive Failure Analysis event that announces the physical drive is about to fail.
plug-in
A ″plug-in,″ as referred to in ServeRAID Manager Assist, specifically refers to IBM
Director.
POST
Power-on self-test. During POST, the ServeRAID controller compares the stored
configuration information to the configuration that is actually present. If a
discrepancy exists, one or more status messages appear after the POST completes
but before the operating system loads.
Appendix B. Glossary 267