Chapter 3 Basic Functions
II-27
(xi) Purpose
Displays the purpose of a logical disk in any of the following at “Purpose” column. This column does not appear
when ReallocationControl is not purchased.
RPL: Logical disk to which only a pair for replication is set
Snapshot: Logical disk to which only snapshot is set (BV)
Link Volume: Logical disk that is a link-volume (LV)
RPL/Snapshot: Logical disk to which a pair for replication and snapshot setting have already been set
Optimization: Work disk for performance optimization
(Blank): General logical disk to which no specific purpose is set
(xii) RANK/Pool Number
Displays RANK and pool numbers that contain the logical disk. RANK numbers are displayed in “PD group
number (2 digits in hexadecimal) - RANK number (2 digits in hexadecimal)”. A maximum of four RANK
numbers are displayed. Numbers exceeding four are indicated by “...” at the end of line.
* The pool number (4 digits in hexadecimal) is displayed only for the disk arrays with pool.
(xiii) Pool Name
Displays the name of the pool to which the logical disk belongs.
* The name is displayed only for the disk arrays with pool.
(xiv) Cache Resident
Displays cache resident status of logical disk in “resident” column.
Resident: Cache resident
(Blank): Cache non-resident
(xv) Progress Ratio
Displays the progress ratio in logical disk where “formatting”, “rebuilding”, “copy back”, “expanding” and
“preventive copy” events occur.
For the disk arrays with pool, the progress ratio is displayed only if a “formatting” event occurs, and not
displayed if other events occur.
(xvi) LD Set Name
Displays up to four LD Set Names to which the logical disk belongs (in case four names are exceeded, displayed
“…” at the end of the names).
(xvii) Cache Segment Name
Displays the cache segment name to which a logical disk belongs. This column does not appear when
CachePartitioning is not purchased.
(xviii) Access Control
Displays port information (Port number, Port name) and LD Set information of host director owned by disk array
inside the “Access Control” list box.
By selecting an arbitrary LD Set name from the list box, only the information of logical disk included in the LD
Set is displayed in information list display area. When an arbitrary port is selected, only the information of
logical disk that can be accessed from the applicable port is displayed in information list display area. If “ALL”
is specified from list box, the information of all logical disk in selected disk array is displayed in the information
list display area.