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IBM Tivoli Storage Manager for Space Management for UNIX: User's Guide


Appendix A. Using the Installfsm Program

Valid on AIX JFS file systems only. You must have root user authority to run the installfsm program.

installfsm

The installfsm program installs the kernel extension and virtual file system. A vnode cache is used to improve performance on HSM-managed file systems. The larger the cache, the less often Tivoli Storage Manager must read stub file information for migrated files. If the cache is too large, it can use up all journaled file system (JFS) inode slots. This causes applications, including non-HSM-managed file systems, to receive an ENFILE return code on file system calls. The JFS inode table size varies by the amount of real memory that is installed on the machine. If you are experiencing ENFILE return codes, reduce the cache size parameter.

Start the installfsm program from the rc.adsmhsm file.

Syntax

>>-installfsm-+--------------------------+---------------------><
              +--l kernel_extension_name-+
              +--q kernel_extension_name-+
              '--u kernel_extension_name-'
 
 

Parameters

-l
Loads the kernel extension.
-q
Queries to determine if the kernel extension is loaded.
-u
Unloads the kernel extension.
kernel_extension_name
Specifies the kernel extension name. Enter a fully-qualified path name such as: /usr/tivoli/tsm/client/hsm/bin/kext

Examples

Task Command
Load the kernel extension. installfsm -l /usr/tivoli/tsm/client/hsm/bin/kext
Unload the kernel extension. installfsm -u /usr/tivoli/tsm/client/hsm/bin/kext


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