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I–9
Compaq HSZ80 Array Controller ACS Version 8.3 Configuration and CLI Reference Guide
Dual-redundant configuration
ECB, 1–29
Dual-redundant controller configuration
disabling, 5–120, 5–122
enabling, 5–110
Dual-redundant controller configurations
connecting to the host, 2–15
multiple-bus failover mode, 2–30
transparent failover mode, 2–29
when to use, 2–29
E
ECB
as a default backup source, 1–22
battery hysteresis, 1–31
diagnostics, 1–31
dual-battery ECB, 1–4
general description, 1–29
maintenance period, 1–29
replacing ECBs with FRUTIL, 1–17
single-battery ECB, 1–4
Electrostatic discharge precautions, xvi
EMU
parts, 1–4
setting, 5–105
ENABLE_ACCESS
SET unit-number, 5–130
ENABLE_ACCESS_PATH
ADD UNIT, 5–29
Enabling
AUTOSPARE, 4–15
Enabling switches
devices, 3–42
storagesets, 3–42
Enclosures
addressing with the PVA module, 2–25
PVA ID, 2–25
Erasing metadata, 3–57
Error messages
clearing from CLI, 5–35
clearing unwriteable data errors, 5–42
ERROR_MODE
SET unit-number, 5–132
ESD card cover
location, 1–10
Event messages
translating with FMU, 1–15
Events
setting display characteristics with FMU,
1–15
Examples
adding disk drives to a spareset, 4–14
cloning a storage unit, 3–22
configuring a mirrorset, 4–5
configuring a RAIDset, 4–7
configuring a single-disk unit, 4–10
configuring a striped mirrorset, 4–9
configuring a stripeset, 4–4
deleting storagesets, 4–16
partitioning a storageset, 4–12
removing disk drives from a spareset, 4–15
Exercisers
availability, 1–5
DILX, 1–16
See also Utilities and exercisers
External cache battery. See ECB
F
Failedset
autospare, 4–15
deleting members, 5–53