IBM AIX Continuous Availability Features - IBM Redbooks
IBM AIX Continuous Availability Features - IBM Redbooks
IBM AIX Continuous Availability Features - IBM Redbooks
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Table 3-3 Concurrent update terminology<br />
Term Definition<br />
Concurrent <strong>AIX</strong><br />
Update<br />
3.6.2 Concurrent <strong>AIX</strong> Update commands and SMIT menus<br />
The customer will manage Concurrent <strong>AIX</strong> Updates by using the emgr command. The emgr<br />
command has several flags; for additional information about the flags, refer to the man pages<br />
(use the man emgr command). You can also obtain limited help information by simply entering<br />
the emgr command.<br />
Concurrent updates are packaged by using the epkg command. The epkg command also has<br />
multiple flags; for additional information about the flags refer to the man pages (use the man<br />
epkg command). You can also obtain limited help information by simply entering the epkg<br />
command.<br />
The SMIT menus<br />
You can access the emgr main menu by using the smitty emgr command. The menu is<br />
shown in Example 3-11.<br />
Example 3-11 EFIX Management main menu<br />
72 <strong>IBM</strong> <strong>AIX</strong> <strong>Continuous</strong> <strong>Availability</strong> <strong>Features</strong><br />
An update to the in-memory image, update of the base kernel and/kernel<br />
extensions that is immediately active or subsequently inactive without reboot.<br />
Synonyms: hotpatch, live update, online update.<br />
Control file A text file that contains all information required by emgr command to perform any<br />
update, whether concurrent or not.<br />
Timestamp The timestamp recorded within the XCOFF header of the module targeted for<br />
updating. It is used to validate that the ifix was created for the proper module<br />
level.<br />
Description file A text file derived from the emgr control file, and which contains only<br />
information relevant to Concurrent <strong>AIX</strong> Update. The kpatch command requires<br />
this file to apply a Concurrent <strong>AIX</strong> Update.<br />
Fix or patch Interchangeably used to refer to a software modification created to resolve a<br />
customer problem.<br />
ifix Interim fix. Package delivered for customer for temporary fixes.<br />
Synonym: efix<br />
Kernel extension Used to refer both kernel extensions and device drivers.<br />
Module An executable such as the kernel or a kernel extension.<br />
Patchset The complete set of patches composing a fix.<br />
Target or target<br />
module<br />
An executable that is to be patched (kernel or kernel extension).<br />
EFIX Management<br />
Move cursor to desired item and press Enter.<br />
List EFIXES and Related Information<br />
Install EFIX Packages<br />
Remove Installed EFIXES
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