HP Array Controller HSG V8.7 Software - Manual (Page 358)

B–86 HSG80 User’s Guide
Only normal members can be reduced. A normal member is a mirrorset
member whose entire contents are the same as all other normal
members within the mirrorset.
Note An error is displayed if you attempt to reduce a mirrorset so that
there would not be any normal member remaining.
Syntax
REDUCE disk-name1 disk-name2 disk-name3...
Parameters
disk-name1 disk-name2 disk-name3...
Specifies the names of the disk or disks to be removed from the
mirrorset or mirrorsets. Multiple members can be removed with the
REDUCE command.
Example
This example shows how to remove DISK20100, DISK20200, and
DISK40200 from their respective mirrorsets:
SHOW STRIPE1
Name Storageset Uses Used by
-----------------------------------------------------------------------
STRIPE1 stripeset MIRR1 D104
MIRR2
MIRR3
SHOW MIRRORSETS
Name Storageset Uses Used by
-----------------------------------------------------------------------
MIRR1 mirrorset DISK10100 STRIPE1
DISK20100
MIRR2 mirrorset DISK10200 STRIPE1
DISK20200
MIRR3 mirrorset DISK30300 STRIPE1
DISK40200