Novell LINUX ENTERPRISE SERVER 10 - STORAGE ADMINISTRATION GUIDE FOR EVMS, Руководство администратора

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Using EVMS to Manage Devices 23
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9
Jan
uar
y 2
007
4 Click Finish , then click Yes .
The changes do not take affect until the server is restarted. Do not reboot at this time.
NOTE: Effective in SUSE Linux Enterprise 10, the
/dev
directory is on
tmpfs
and the
device nodes are automatically re-created on boot. It is no longer necessary to modify the
/
etc/init.d/boot.evms
script to delete the device nodes on system reboot as was
required for previous versions of SUSE Linux.
5 Continue with “Edit the /etc/fstab File” on page 23 .
2.2.3 Edit the /etc/fstab File
When you boot the system, the kernel reads the
/etc/fstab
file to identify which file systems
should be mounted and then mounts them. This file contains a table of file system information about
the
/boot
,
swap
, and root (
/
) partitions plus other partitions and file systems you want to mount.
You must edit the
/etc/fstab
file to modify the mount location of these three partitions so they
are mounted under the
/dev/evms
directory. For example, change /dev/ sda1 to /dev/evms/ sda1 .
Although the
/boot
partition is not managed by EVMS, the
boot.evms
script forces EVMS to
scan all the partitions at boot time, including the
/boot
partition, and it activates
/boot
under the
/dev/evms
directory. Therefore, this makes
/boot
a partition that is discovered by EVMS at
startup, and requires that the device’s path be listed under
/dev/evms
in the
fstab
file so it can
be found when booting with
boot.evms
.
Make sure to replace sda1 , sda2 , and sda3 with the device names you used for your partitions.
IMPORTANT: When working in the
/etc/fstab
file, do not leave any stray characters or
spaces in the file. This is a configuration file, and it is highly sensitive to such mistakes.
1 Open the
/etc/fstab
file in a text editor.
2 Locate the line that contains the
/boot
partition.
For example, if your
/boot
partition uses device sda1 and the Reiser file system, look for a
line similar to this:
/dev/ sda1 /boot reiser defaults 1 1
3 In the Device Name column, modify the mount location of the
/boot
partition from
/dev
to
/dev/evms
so it can be managed by EVMS. Modify only the device name by adding
/evms
to the path:
/dev/evms/ sda1 /boot reiser defaults 1 1
4 Repeat Step 2 and Step 3 to edit the Device Name entry in the lines for the
swap
and root (
/
)
partitions.
For example, change
/dev/ sda2
to
/dev/evms/ sda2
, and change
/dev/ sda3
to
/
dev/evms/ sda3
.
5 Save the file.
The changes do not take affect until the server is restarted. Do not reboot at this time.
6
Continue with Section 2.2.4, “Edit the Boot Loader File,” on page 24 .