HP P9000 Continuous Access Journal for Mainframe Systems User Guide (AV400-96397, October 2011)

planning, 25
specifications, 19
L
latency, 42
logical paths
additional, 59
deleting, 99
monitoring;monitoring:logical paths, 90
troubleshooting;troubleshooting:logical paths, 115
M
maintaining the system, 92
MCU, RCU, 11
measuring write-workload, 23
mirror ID explained, 12
mirrors
changing options, 95
splitting, 72
monitoring pair, 79
moving operations to S-VOL;S-VOL
taking over host operations, 103
multiple system, 32
N
network relay devices, powering off, 102
number of host links to target port, 56
number of pairs to create, 60
O
Other licenses, 17
P
packet loss, 42
pair delete, 76
Pair operations, 66
pair split option, changing, 92
pair status, 79
pair volumes
description, 11
planning considerations, 27
pairs
status monitoring, definitions, 79
troubleshooting;suspended pairs, 117
point-in-time copy, 72
ports
defining attributes, 55
planning, 43
power off, managing, 100
prerequisites for
3DC cascade configuration, 131
3DC multitarget configuration, 133
changing journal options, 93
changing mirror options, 95
changing pair split option, 92
defining port attributes, 55
deleting a journal, 98
deleting a journal volume, 97
deleting a pair, 76
deleting pairs from a mirror, 78
delta resync - create the pair, 135
delta resync - perform the operation, 73
delta resync operation, 135
performing the initial copy, 66
registering journals, 62
resyncing a mirror, 75
resyncing a pair, 73
splitting a mirror, 72
splitting a pair, 70
primary site recovery
resuming operations, 104
R
RAID groups, planning, 26
RAID levels supported, 18
RCU target port, 43
related documentation, 123
remote command device
about, setup;delta resync:using remote command
devices with, 137
assigning mirrors, 138
remote I/O copy statistics, 88
required number of ports, 43
resynchronizing a mirror, 75
resynchronizing a pair, 73
RIO MIH, 59
rolling averages and cycle time, 41
RPO
about, 23
determining, 23
S
S-VOL Write option, 70, 71
saving graph data;Usage Monitor
saving data, 89
secondary systems, connecting, 34
service information message, 81
Service Information Messages, 119
set up ports, 44
setting up 3DC cascade, 132
setting up 3DC multitarget, 133
setting up delta resync;delta resync
creating the pair, 136
sharing secondary volumes, 143
sharing volumes, 141
SIMs, 119
sizing bandwidth, 39
software overview, 8
splitting a pair, 70
status definitions
journal, 89
storage capacity values
conventions, 124
strategies for sizing bandwidth, 39
Subscriber's Choice, HP, 123
supervisor DKC, 33
Suspend types, 82
suspension conditions, 83
192 Index