3.5.1 Matrix Server Upgrade Guide

Appendix C: Build a RHEL4 Kernel from PolyServe Sources 61

3. Run the following command on the spec file:

# rpmbuild -bp --target=<arch> kernel-2.6.spec

4. Copy the kernel source tree to /usr/src:

# cp -a /usr/src/redhat/BUILD/kernel-2.6.9/linux-2.6.9 /usr/src

5. Create a symbolic link to the kernel source tree for the “linux”

common name.

# ln -s /usr/src/linux-2.6.9 /usr/src/linux

6. Verify that the symbolic link is valid:

# ls -lt /usr/src

total 28

lrwxrwxrwx 1 root root 12 Mar 2 16:36 linux -> linux-2.6.9/

drwxr-xr-x 20 root root 4096 Mar 2 16:21 linux-2.6.9

7. Modify the EXTRAVERSION variable to identify the patched Matrix

Server kernel. The variable is located in the Makefile in the directory

/usr/src/linux. The variable specifies the portion of the kernel name that

follows the kernel version number (2.6.9 in our example). The variable

must be set to the name used by the binary RHEL4 kernel. This is

typically the build number. You may also want to add a suffix that

identifies the kernel environment, such as PS or PolyServe to indicate

that the kernel was built for PolyServe Matrix Server. For example, if

you are building the Red Hat 2.6.9-34.ELsmp kernel,

EXTRAVERSION

would contain the following:

EXTRAVERSION = -34.ELsmp-PS

NOTE: Some third-party software requires that the kernel name match

the binary kernel name exactly. If you are using such software,

do not include a suffix to identify the kernel environment.

Compile the Kernel

Following is a suggested procedure that you can use as a guide for

building the kernel. Modify this procedure as necessary for your local

circumstances.

NOTE: If the servers have identical hardware configurations, you can

create the kernel on one server and then copy it to the other

servers.