Specifications

I–17
Compaq HSG80 Array Controller ACS Version 8.4 Configuration and CLI Reference Guide
adding while missing a member, 7–19
changing characteristics, 7–121
changing switches, 6–19
choosing chunk size, 4–43
configuring using CLI, 6–8
deleting, 7–53
description, 4–2, 4–16
displaying information, 7–133
initializing, 7–62
maximum chunk size, 4–46
maximum membership, 4–18
planning, 4–18
removing a member, 7–122
renaming, 7–80
replacing a member, 7–123
showing, 7–133
specifying replacement policy, 7–121
switches, 4–37
Read caching
enabled for all storage units, 2–9
general description, 2–9
Read requests
anticipating subsequent read requests
with read-ahead caching, 2–9
decreasing the subsystem response
time with read caching, 2–9
Read requests. See also Write requests
READ_CACHE
ADD UNIT, 7–32
SET unit-number, 7–129
READ_SOURCE
ADD MIRRORSET, 7–14
mirrorset switches, 4–40
SET mirrorset-name, 7–113
Read-ahead caching, 2–9
enabled for all disk units, 2–10
READAHEAD_CACHE
ADD UNIT, 7–32
SET unit-number, 7–130
RECONSTRUCT
ADD RAIDSET, 7–18
RAIDset switches, 4–37
SET RAIDset-name, 7–122
REDUCE, 7–77
REDUCE disk-nameN, 7–78
REDUCED
ADD RAIDSET, 7–19
Related publications, xxi
Relationship
controller to cache module, 1–10
Release lever
location, 1–10
REMOVE
SET mirrorset-name, 7–111
SET RAIDset-name, 7–122
Removing
disk drives from sparesets, 6–16
Removing a mirrorset member, 7–77
RENAME, 7–80
RENAME old-container-name new-
container-name, 7–80
Renaming, 7–80
REPLACE
SET mirrorset-name, 7–112
Replacement policy
mirrorsets, 4–39
REPLACESET RAIDset-name, 7–123
Request rate, 4–44
Resetting configuration, 7–44
RESTART controller
IGNORE_ERRORS, 7–81
IMMEDIATE_SHUTDOWN, 7–82