Red Hat GFS 6.0 -, Administrator'S Manual

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Appendix C. Basic GFS Examples 159
n01#
gfs_mkfs -p lock_gulm -t alpha:gfs01 -j 3 /dev/pool/pool_gfs01
Device: /dev/pool/pool_gfs01
Blocksize: 4096
Filesystem Size:1963216
Journals: 3
Resource Groups:30
Locking Protocol:lock_gulm
Lock Table: alpha:gfs01
Syncing...
All Done
n01#
gfs_mkfs -p lock_gulm -t alpha:gfs02 -j 3 /dev/pool/pool_gfs02
Device: /dev/pool/pool_gfs02
Blocksize: 4096
Filesystem Size:1963416
Journals: 3
Resource Groups:30
Locking Protocol:lock_gulm
Lock Table: alpha:gfs02
Syncing...
All Done
10. Mount the GFS file systems on all the nodes.
Mount points
/gfs01
and
/gfs02
are used on each node:
n01#
mount -t gfs /dev/pool/pool_gfs01 /gfs01
n01#
mount -t gfs /dev/pool/pool_gfs02 /gfs02
n02#
mount -t gfs /dev/pool/pool_gfs01 /gfs01
n02#
mount -t gfs /dev/pool/pool_gfs02 /gfs02
n03#
mount -t gfs /dev/pool/pool_gfs01 /gfs01
n03#
mount -t gfs /dev/pool/pool_gfs02 /gfs02
C.5. LOCK_GULM, SLM External, and GNBD
This example configures a cluster with three GFS nodes and two GFS file systems. It will require three
nodes for the GFS cluster, one node to run a LOCK_GULM server, and another node for a GNBD
server. (A total of five nodes are required in this example.)
This section provides the following information about the example:
•
Section C.5.1 Key Characteristics
•
Section C.5.2 Kernel Modules Loaded
•
Section C.5.3 Setup Process
C.5.1. Key Characteristics
This example configuration has the following key characteristics:
•
Fencing device — An APC MasterSwitch (single-switch configuration). Refer to Table C-15 for
switch information.
•
Number of GFS nodes — 3. Refer to Table C-16 for node information.