Red Hat GFS 5.2.1 -, Administrator'S Manual

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172
E
examples
basic GFS examples, 131
LOCK_GULM, RLM embedded, 131
key characteristics, 131
prerequisites, 132
setup process, 134
LOCK_GULM, RLM external, 137
key characteristics, 138
prerequisites, 139
setup process, 140
LOCK_GULM, SLM embedded, 145
key characteristics, 145, 151
prerequisites, 146, 152
setup process, 147, 154
LOCK_GULM, SLM embedded, and GNBD
key characteristics, 158
prerequisites, 159
LOCK_GULM, SLM external, 151
LOCK_GULM, SLM external, and GNBD, 157
setup process, 160
LOCK_NOLOCK, 165
key characteristics, 165
prerequisites, 166
setup process, 167
F
features, new and changed, 1
feedback, iv
fence.ccs, 43
fence.css variables table, 48
fencing, 107
fencing methods, 107
APC MasterSwitch, 108
Brocade FC switch, 109
fence notify GNBD, 110
GNBD, 110
HP RILOE card, 110
manual, 110
Vixel FC switch, 109
WTI network power switch, 108
how the fencing system works, 107
fencing agent name differences (upgrade) table, 125
fencing methods and agents table, 108
fibre channel network requirements table, 11
fibre channel storage device requirements table, 12
fibre channel storage devices
system requirements, 12
fibre channel storage network
system requirements, 11
file system
adding journals, 94
atime, configuring updates, 99
mounting with noatime, 99
tuning atime quantum, 100
context-dependent path names (CDPNs), 103
data journaling, 98
direct I/O, 96
directory attribute, 97
file attribute, 97
O_DIRECT, 97
growing, 93
making, 83
mounting, 85
quota management, 87
disabling/enabling quota accounting, 92
disabling/enabling quota enforcement, 91
displaying quota limits, 89
setting quotas, 88
synchronizing quotas, 90
repairing, 102
suspending activity, 101
unmounting, 87
file systems, setting up and mounting
configuration, initial, 21
G
GFS
atime, configuring updates, 99
mounting with noatime, 99
tuning atime quantum, 100
direct I/O, 96
directory attribute, 97
file attribute, 97
O_DIRECT, 97
displaying extended information and statistics, 102
managing, 83
quota management, 87
disabling/enabling quota accounting, 92
disabling/enabling quota enforcement, 91
displaying quota limits, 89
setting quotas, 88
synchronizing quotas, 90
restarting a cluster, 105
shutting down a cluster, 105
upgrading
(See upgrading GFS)
GFS and lock server node information (examples) ta-
ble, 132, 146
GFS functions, 4
cluster configuration management, 5
cluster management, fencing, recovery, 5
cluster volume management, 5
lock management, 5
GFS kernel modules (loading) (alternate method) ta-
ble, 17
GFS kernel modules (loading) table, 17
GFS kernel modules, loading