HP StorageWorks Secure Path V3.0C for Linux and Linux Workgroup Edition Installation and Reference Guide (AA-RU7VD-TE, February 2004)

Secure Path Technology
26 Secure Path v3.0C for Linux and Linux Workgroup Edition Installation and Reference Guide
Path management behavior summary
Table 2 provides a summary of the path management behavior of Secure Path.
Table 2: Path management behavior summary
Feature Behavior/Action
Startup
1. Chooses the Preferred path to the controller on
which the LUN is online.
2. Marks the Preferred path Active. If no path is marked
Preferred, select one and make it the Active Path.
Active Path
Failure
■ Marks the Active path as Failed and fails to the
Available path.
■ Redirects I/O through available paths.
■ If there are no Available paths, failover occurs to a
Standby path on the other controller.
Available or
Standby
Path Failure
■ Performs path verification
■ Marks failed path as failed
Path
Repaired
■ Marks the path Available or Standby depending on
which controller the device is currently online to.
■ If Auto-Restore is enabled, and the path is preferred,
then that path is marked Active.