Prerequisites - Red Hat GFS 5.2.1 Administrator's Manual

146
Host Name
n01
n02
n03
Table B-9. GFS and Lock Server Node Information
Major
8
8
8
8
8
Table B-10. Storage Device Information
Notes
For shared storage devices to be visible to the nodes, it may be necessary to load an appropriate
device driver. If the shared storage devices are not visible on each node, confirm that the device
driver is loaded and that it loaded without errors.
The small partition (
maining partitions (
You can display the storage device information at each node in your GFS cluster by running the follow-
ing command:
cat /proc/partitions
the names of the devices may be different on each node. If the output of the
command shows only entire disk devices (for example,
storage devices have not been partitioned. If you need to partition a device, use the
mand.
B.3.2. Prerequisites
The prerequisites for this example are as follows:
Kernel installed
•
GFS RPM installed
•
GFS kernel modules loaded
•
B.3.2.1. Kernel Installed
An appropriate kernel must be installed and running on each node. Refer to Section 3.2.1 Installing a
Linux Kernel for more information about installing a Linux kernel.
IP Address
10.0.1.1
10.0.1.2
10.0.1.3
Minor
16
17
18
32
33
) is used to store the cluster configuration information. The two re-
/dev/sda1
, ) are used for the GFS file systems.
/dev/sda2 sdb1
. Depending on the hardware configuration of the GFS nodes,
Appendix B. Basic GFS Examples
APC Port Number
1
2
3
#Blocks
8388608
8001
8377897
8388608
8388608
instead of
/dev/sda
Name
sda
sda1
sda2
sdb
sdb1
cat /proc/partitions
), then the
/dev/sda1
com-
fdisk