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Blockade
The mapping path is blocked.
External device
The setting of the external storage system has been changed. For example, the
setting changed
path definition was deleted, or the external storage system itself was replaced by
another device.
LDEV size
The setting of the volume capacity of the external storage system has been
reduced
changed (the volume capacity was reduced).
Not ready
The reply from the external storage system was NOT READY.
Illegal request
The reply from the external storage system was ILLEGAL REQUEST.
Command
The reply from the external storage system was ABORTED COMMAND.
aborted
Busy
The external storage system is in the BUSY status.
LDEV reserved
The external storage system is in the Reserve status.
Response error
The external storage system is in the blocked status because of an abnormal reply.
Initiator port
The port attribute of the external storage system has been changed to the initiator
port.
Unknown port
The port attribute of the external storage system is unknown.
Cannot detect
The path has been removed or the port of the external storage system cannot be
port
found.
Internal error
The program error occurred. Or there is a logical contradiction.
The processing was retried because an abnormal reply was returned, however, the
Timeout
processing has been timed out.
Standby
The port of the external storage system is standing by. The port status is normal
but cannot receive I/O.
Port failures, such as controller blockade are detected on the external storage
Target error
system side.
Checking
The processing of checking the mapping path status is in progress.
Disconnect
Connection to the external storage system or the external volume is intentionally
stopped using the Disconnect Subsystem command or the Disconnect Volume
command.
Unavailable
The reply from the external storage system was Unavailable. The external storage
system demands to change the connected port. Once the status becomes
Unavailable, the primary path is changed to the alternate path that is in the
Standby status. When the primary path has been changed, the status of the path
becomes Normal.
Backoff
The reply from the external storage system was Backoff. The status of the path is
waiting for recovery because a temporary error has occurred in the volume of the
external storage system. Even if the status of the primary path becomes this
status, the primary path is not changed to the alternate path immediately. After
the error recovery, the status becomes Normal. If the status cannot be recovered
from the error, the path status is changed to the other status.
Performing Universal Volume Manager Operations
Hitachi Universal Storage Platform V/VM Universal Volume Manager User's Guide
Description
5-29
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