Chapter 4 Volume Status
4.2 Performance (Host I/O)
The set state for Asymmetric Logical Unit Access (ALUA) is displayed. A "-" (hyphen) is displayed for
volumes that cannot be mapped (*1).
Follow Host Response
Use the same "Asymmetric / Symmetric Logical Unit Access" setting as the host response for the host
group or the host.
ACTIVE / ACTIVE
All of the paths to the volume are regarded as being recommended paths. The use of a multipath driver
determines which paths are used.
ACTIVE-ACTIVE / PREFERRED_PATH
There are recommended paths and non-recommended paths for each volume. By using a CA port in the
Controlling CM of a RAID group in which the volume belongs for the recommended paths (other ports
are regarded as non-recommended paths), data migration between CMs (cross access) can be reduced.
The following volumes cannot be mapped.
"SDPV" or "Temporary" type volumes
ODX Buffer volumes
"Usage" is "File" or "System"
Input the volume name that is to be displayed.
When not using the volume name for filtering, leave this item blank.
Select the volume type that is to be displayed.
Select the usage of the volume that is to be displayed.
ETERNUS Web GUI User's Guide (Operation)
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