Hitachi XP P9500 User Manual page 375

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IO-Count
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IO-Errors
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DNum
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IEP
Command Reference
Hitachi Dynamic Link Manager User Guide (for Solaris(R))
Description
• 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. Take appropriate action by
referring to What To Do for a Path Error on page
5-3
Attribute of the path
• Own: Owner path
• Non: Non-owner path
When connected to the Lightning 9900 Series,
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
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can be displayed is 2 - 1 (4294967295). If the
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 on 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
the maximum value, it is reset, and the count is re-
started from 0.
To reset the IO-Errors value to 0, execute the
dlnkmgr command's clear operation. Executing the
clear operation also clears the number of I/O
operations (IO-Count) to 0.
For details on the clear operation, see
(Returns the Path Statistics to the Initial Value) on
page 6-3.
A hyphen (-) is displayed.
The displayed paths are assumed to be in an
intermittent error status and checked whether those
paths are to be operated for automatic failbacks.
One of the following values is displayed for each
path:
6-3.
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- 1
clear
6-57