Examples Of Switching I/O Execution Paths To Alternate Paths - HP StorageWorks XP24000 User Manual

Figure 7 Example of Unavailable Alternate Path Setting

Examples of Switching I/O Execution Paths to Alternate Paths

This section describes examples of the performance when the I/O execution path is switched to
the alternate path for each path mode as follows:
When the path mode is Multi mode
When the path mode is Single mode
When the path mode is Single mode and there is at least one alternate path in the Standby
status
For the description about the path status, see
When the path mode is Multi mode
Figure 8 (page 21)
occurs in one path, I/Os are executed using the paths other than the error path.
As you restore the error path, the use of the restored path is automatically resumed.
20 About XP External Storage Operations
"Mapping Path Information Dialog Box" (page
shows an example of when the path mode is Multi mode. When an error
82).
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