Red Hat GLOBAL FILE SYSTEM 4.7 Guide de l'utilisateur télécharger pdf (Page 33)

Downgrading HP SFS client software on HP XC systems 2–13

2. Unmount all Lustre file systems on the head node, as follows:

# sfsumount -a

3. Remove all of the existing HP SFS RPM files on the head node in the order in which they were

installed, as shown in the following example:

NOTE: In the example shown here, the python-ldap package is removed. This package

needs to be removed only on HP Integrity systems. Omit this command on all other systems.

# rpm -ev lustre-modules-version_number \

lustre-version_number \

python-ldap-version_number \

hpls-lustre-client-version_number \

hpls-diags-client-version_number

4. Reboot the head node.

5. Enable Portals compatibility mode on the HP SFS system.

6. Replace or edit the /etc/sfstab.proto file on the head node, as follows:

• If you saved a copy of the /etc/sfstab.proto file during the upgrade process, replace the

/etc/sfstab.proto file on the head node with the older (saved) version of the file.

• If you did not save a copy of the /etc/sfstab.proto file during the upgrade process, you

must edit the /etc/sfstab.proto file on the head node and replace any entries that use the

lnet: or http: protocols with the corresponding entries using the ldap: protocol.

7. Install the HP SFS client software using the process described in HP SFS documentation for that

version of the software. For example, if you are downgrading the HP SFS client software to

Version 2.1-1, refer to the HP StorageWorks Scalable File Share Client Installation and User Guide for

Version 2.1 and the HP StorageWorks Scalable File Share Release Notes for Version 2.1-1.

8. Create the new golden image, by running the cluster_config utility. For information on running

this utility, refer to the HP XC System Software Administration Guide.

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Red Hat GLOBAL FILE SYSTEM 4.7 Guide de l'utilisateur Page 33