Technical data

( See LFU )
Logical Storage Manager
( See LSM mirroring )
loop topology
AL_PA
, 6–3
characteristics, 6–6
defined, 6–3
setting controller values, 6–48
setting port_n_topology, 6–48
use of wwidmgr -set
, 6–40
LSM mirroring
across SCSI buses
, 1–12
clusterwide /usr, 1–13
clusterwide /var, 1–13
clusterwide data disks
, 1–13
M
MA6000 modular array
configuring
, 2–9
port configuration, 2–9
transparent failover mode, 2–9
unit configuration, 2–9
MA8000 modular array
configuring
, 2–9
port configuration, 2–9
transparent failover mode
, 2–9
unit configuration, 2–9
mc_cable command, 5–12
mc_diag command, 5–12
member systems
improving performance
, 4–2
increasing availability, 4–2
requirements, 2–1
Memory Channel
diagnostics
, 5–12
failover pair, 5–1
installation, 5–2, 5–6
interconnect, 2–4
jumpers, 5–2
optical converter installation, 5–6,
5–10, 5–11
versions, 2–3
Memory Channel diagnostics
mc_cable
, 5–12
mc_diag, 5–12
Memory Channel fiber optics
BN34R fiber-optic cable
, 2–5
cable length
, 2–5
optical converter, 2–5
optical converter installation
, 5–6,
5–10, 5–11
Memory Channel hub
installation
, 5–7
Memory Channel interconnects
adding
, 5–14
maintaining, 5–14
restrictions, 2–3
rolling upgrade, 5–14
setting up, 5–1
Memory Channel jumpers
MC1 and MC1.5 (CCMAA)
, 5–2
MC2 (CCMAB), 5–4
MC2 (CCMLB), 5–5
messages
bus hung
, 2–12
LFU help, 7–20
MC2 adapter insufficient memory
,
5–18
MiniLibrary
TL881 tape library
, 8–58
TL891 tape library, 8–58
minimum cluster configuration
,
1–5
MUC, 8–50
setting SCSI ID
, 8–52
MUC switch functions
TL893 tape library
, 8–51
TL896 tape library, 8–51
multi-unit controller
( See MUC )
multimode fiber, 6–27, 6–34
multiple-bus failover, 3–18, 3–23,
6–44
changing from transparent failover,
6–77
example configurations, 6–11
NSPOF, 3–18
Index–8