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armtech(5)							    armtech(5)

       armtech, aurema - Aurema's ARMTech (Active Resource Management Technol‐
       ogy) resource management suite

       This reference page provides a brief introduction to  Aurema's  ARMTech
       resource	 management  software  for  Tru64 UNIX. Full documentation and
       usage information is provided in the  software  subsets.	 The  software
       subsets	are  located  on  the Associated Products CD-ROM supplied with
       your operating system media kit. Refer to the  Installation  Guide  for
       information on locating and installing applications from the Associated
       Products CD-ROM set.

   Aurema ARMtech Product Suite Overview
       Tru64 UNIX supports Aurema's ARMTech (Active Resource Management	 Tech‐
       nology)	 software  product  suite.  This  software  provides  enhanced
       resource management capabilities and consists of	 three	products  with
       increasing  levels of resource management capabilities as follows: Sha‐
       reExpress which provides an enhanced UNIX timeshare scheduler that pro‐
       vides equal sharing on a per user basis.

	      The  ShareExpress	 software  is licensed with the base operating
	      system.  The software subsets and documentation are delivered on
	      the  Associated Products CD-ROM.	ShareExtra which provides dif‐
	      ferential sharing of CPU	(processor)  resources	to  particular
	      users and applications.  ShareEnterprise which provides the fol‐
	      lowing features: Sharing of CPU resources based  on  UNIX	 users
	      and groups and ARMTech-defined applications (collections of pro‐
	      cesses) Storage of historical and accounting information	Policy
	      settings	that  persist  across a reboot CPU resources, resident
	      set size, and process limits

       The  ShareExtra	and  ShareEnterprise  functions	  require   additional
       licenses,  enabled  by  Aurema's	 software  licensing  using the FlexLM
       licensing technology.  The software subsets are located on the  Associ‐
       ated  Products CD-ROM set. Refer to the Installation Guide for informa‐
       tion on their location, and instructions on how to install the subsets.

       Some of the features of ShareExtra and ShareEnterprise  will  be	 inte‐
       grated  over  several releases. Refer to the software license to deter‐
       mine which capabilities are in which release, or refer  to  the	Aurema
       web site atthe following URL:

   ARMTech Features

       Some  of the following features are still under development and will be
       provided	 in  a	future	update.	 Refer	to  Aurema's   web   page   at for information
       on the features available.

       Active resource management involves the management of  computer	system
       resources  such as: CPU resources, including clock ticks and the number
       of processes Memory, including the availability of main hardware memory
       and  virtual (disk or swap) memory, also memory management such as pag‐
       ing I/O Disks, including space quotas and management such as  file  and
       paging I/O System I/O, including network and disk I/O bandwidth

       The  ARMTech suite provides the Tru64 UNIX administrator with the means
       to manage many operating system entities, such as Web sites or applica‐
       tions, in addition to users and groups. The ability to manage many sys‐
       tem entities provides you with greater and more total control of system
       resources  than	command-level  resource	 management  utilities such as
       those offered by the runon command or processor	sets  (psets).	It  is
       also much more comprehensive than the process and user resource manage‐
       ment utilities provided by the Tru64 UNIX Class Scheduler.  The	latter
       does  not  provide  resource  management for applications and can waste
       unused resources if not carefully tuned.

       The administrator is empowered to protect  the  system  from  excessive
       resource consumption by any given application, process, user, or group.
       In turn, this can provide benefits as follows: Enhance resource	utili‐
       sation  by  eliminating	resource starvation Decrease the need to trou‐
       bleshoot performance problems Potentially, reduce the need for hardware
       upgrades	 or server proliferation and the associated costs of installa‐
       tion, downtime and  maintenance.

       The ARMTech suite is a powerful suite for administering	systems	 (such
       as  Web	servers)  where there is likely to be contention for available

       The main features of Aurema's ARMTwech suite are:  You  can  an	define
       accounting  and	management entities, known as resource consumers.  The
       resource consumers are: Software applications, associated with  one  or
       more processes, identified by ARMTech application identifiers (APPIDs).
       Individual users, identified by UNIX user identifiers  (UIDs).	Groups
       of  users, identified by UNIX group identifiers (GIDs).	Resource usage
       accounting capabilities	enable	you  to	 monitor  the  use  of	system
       resources  by  resource	consumers.  Such monitoring provides very fine
       levels of granularity. For example, you can monitor a specific user  in
       a  group	 of  users  that  are using a particular software application.
       Resource usage information  is  stored  and  persists  across  reboots.
       Three  methods  enable  you to manage the resource consumption of enti‐
       ties: A	relative  resource  allocation	or  share  that	 entitles  the
       resource	 consumer  to a resource allocation proportional to the sum of
       the shares held by all contesting peer resource consumers. This	method
       applies	to  resources such as CPU and I/O bandwidth.  A fixed resource
       reservation, which  is  a  fixed	 proportion  of	 the  total  available
       resource.  This	method	also applies to resources such as CPU and I/O.
       An absolute limit in the case of some system resources such as  virtual
       memory and number of processes.

	      The  hierarchical	 structure  of resource consumers and resource
	      distribution ensures that no resources  are  idle.  Capacity  is
	      fully  matched  to  demand.   You define and administer policies
	      that  automatically  enforce  limits   and   distribute	system
	      resources	 without the need for further manual intervention. The
	      policy can be changed at any time without disrupting  the	 func‐
	      tion of any executing programs.  The ARMTech suite provides both
	      a comprehensive command line interface, enabling scripting,  and
	      an  intuitive GUI that permits both novice and experienced users
	      to monitor resource  usage  and  define  policies.   Intelligent
	      defaults ensure that ARMTech is effective with little or no con‐
	      figuration so you can obtain resource management benefits	 with‐
	      out  requiring  an  in-depth  knowledge of either ARMTech or the
	      operating system. You can	 enhance  your	management  of	system
	      resources as your knowledge grows.

       class_scheduling(4) processor_sets(4)

       When  the  ARMTech software subsets are installed, the following refer‐
       ence  pages  are	 available:  arm(1),armadmin(1),  armappl(1),	armap‐
       prule(1),  armattr(1),  armdisplay(1), armexec(1), armfb(1), armgui(1),
       armmsg(1), armpolicy(1),	 armrep(1),  armrepaselect(1),	armrepdiff(1),
       armrepdist(1),  armrepeagg(1),  armrepeselect(1), armreplog(1), armrep‐
       maint(1), armrepmsg(1), armrepprint(1), armreprmold(1),	armrepsort(1),
       armset(1),  armtable(1),	 armtech(1),  application(4),apprules(4), arm‐
       repraw(4), armtech.conf(4), armrepspec(4), armreptemplate(4),  armd(8),
       and armdb(8)

       Installation Guide

       ARMTech User Guide for Tru64 UNIX (located in the product kit).


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