Specifications

I–24 Index
VTDPY, 1–13
See also Config utility
See also HSUTIL
Troubleshooting and maintaining the
controller
utilities and exercisers, 1–12
Typographical conventions, xviii
U
Unit
how a unit is online in multiple-bus
failover, 2–7
Unit offsets
general description, 3–13
Unit switches
changing, 6–20
overview, 6–2
Units
adding to configuration, 7–27
assigned and accessed in multiple-bus
failover mode, 2–7
assigned and accessed in transparent
failover mode, 2–6
assigning access paths, 3–14
assigning unit numbers in multiple-bus
failover mode, 3–11
assigning unit numbers in transparent
failover mode, 3–10
assigning unit offsets, 3–13
changing characteristics, 7–126
clearing lost data error, 7–40
deleting from the configuration, 7–57
displaying configured units, 7–135
displaying information, 7–133
largest unit supported, 1–7, 5–3
LUN IDs, 3–17
mapping containers and storagesets to
the host with logical units, 3–10
mirroring, 7–70
naming with ADD command, 7–28
showing, 7–133
UNMIRROR, 7–142
UNMIRROR disk-name, 7–142
Unpartitioned mirrorsets
duplicating data with the Clone utility,
1–14
Unresponsive Controller and Surviving
Controller
general description, 2–4
Unwriteable data error, retrying, 7–83
Upgrading
controller software with the CLCP
utility, 1–13
EMU software with the CLCP utility,
1–13
Utilities
CHVSN, 7–84
CLCP, 7–84
CLONE, 7–84
CONFIG, 7–84
DILX, 7–84
DIRECT, 7–85
DSTAT, 7–85
FMU, 7–85
FRUTIL, 7–85
HSUTIL, 7–85
listing of, 7–60
running, 7–84
VTDPY, 7–85
Utilities and exercisers
CHVSN utility, 1–14
CLCP utility, 1–13