Hitachi XP P9500 User Manual page 258

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#1
CLPR
Status
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Type
IO-Count
IO-Errors
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Command Reference
Hitachi Dynamic Link Manager User Guide (for AIX(R))
Description
You can identify an actual CHA port by referencing
this number from the storage system management
program.
The number of the CLPR to which the CHA port
belongs, indicated by a decimal number from 0 to
31. Note that a hyphen (-) is displayed if the
following items are subject to display:
• CHA ports in the storage system that do not
support cache logical partition functionality
• Paths connected to the Snapshot image of the
Copy-on-write Snapshot of the Hitachi
AMS2000/AMS/WMS/SMS series
Status of the path
• Online: Online
• Offline(C): Offline status caused by a
command operation
• Offline(E): Offline due to an error
• Online(E): Failure has occurred (If none of the
paths accessing one LU have an Online status,
one of those paths is changed to the Online(E)
status.)
Paths that are Offline(E) or Online(E) require
corrective action. The appropriate action can be
determined by referring to
Error on page 5-3
Attribute of the path
• Own: Owner path
• Non: Non-owner path
When connected to the Lightning 9900V series,
Hitachi USP, Universal Storage Platform V/VM,
Virtual Storage Platform Hitachi AMS2000 series, or
Hitachi SMS, all paths are owner paths.
Total I/O count for a path. The maximum value that
32
can be displayed is 2
total I/O count reaches the maximum value, it is
reset, and the count is re-started from 0.
To reset the IO-Count value to 0, execute the
dlnkmgr command's clear operation. Executing the
clear operation also resets the number of I/O
errors (IO-Errors) to 0. For details about the
clear operation, see clear (Returns the Path
Statistics to the Initial Value) on page
Total I/O error count for a path. The maximum
value that can be displayed is 2
(4294967295). If the total I/O error count reaches
What To Do for a Path
- 1 (4294967295). If the
6-3.
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- 1