EMC P/N 300-002-867 manuale d’uso

Applica tion C onnectivity Moni tor 2.0 USER’ S GUIDE P/N 300-002-867 REV A01 EMC Corporation Corpor ate Head quarte rs: Hopkinton, MA 01748-9103 1-508-435-1000 www .EMC.c om OL-8953-01[...]

Last Update: 8/ 1/05 Copyright 1996-2005 by EMC Corporation (“EMC”). All rights reserved. EMC be lieves the infor mation in th is public ation is accura te as of its public ation date . The informatio n is subject to ch ange w ithout notice. The Software and all intel lectual property rights relate d thereto constitute trade secrets and proprie[...]

EMC Sm arts Ap plicatio n Conne ctivity Monitor User’ s Guide iii Contents Preface v Intended Audience v Prere quisite s v Document Organization v Documentation Convent ions vi Application Connect ivity Monito r Installation Directory vii Application Connect ivity Monitor P roducts vii Additional Reso urces vii Command Line P rograms vii Document[...]

Contents iv EMC Smarts Application Connectivity Monitor User’ s Guide Viewing Application Top ology in Maps 19 Opening an Applications Map 19 Topology Element s Displayed in an Application Map 20 Index 21[...]

EMC Sm arts Ap plicatio n Co nnectivit y Manag er Use r’ s Gu ide v Preface This document describes the topolo gy and notifi cations created by Application Connectivi ty Monitor as it is displayed in the Global Console. Intended Audience This guide is intended for operators wh o are responsible for ac ting on the analysis provided by Application [...]

Preface vi EMC Smarts Appl ication Connectivity Manager User’ s Gu ide Documentation Convent ions Several conventions may be u sed in this document as shown in T able 2. Director y path names are shown with forw ard slashes (/). Users of the Windows operating systems should substitute back slashes () for for ward slashes. Als o, i f there are fi[...]

EMC Sm arts Ap plicatio n Co nnectivit y Manag er Use r’ s Gu ide vii Applicati on Connectivi ty Monitor Ins tallation Directory Application Con nectivity Mo nitor Installat ion Directory In this document, the term BASEDIR represents the location where the Application Connectivi ty Moni tor software is installed. • For UNIX, this location is: /[...]

Preface viii EMC Smarts Appl ication Connectivity Manager User’ s Guide Document ation Readers of this document may find other documentation (also available in the BASEDIR /sm ar ts /doc/ pdf directory) helpful. EMC Sma rts Do cumentat ion The following documents are produc t independent and thus relevant to users of all EMC Smarts products: • [...]

EMC Sm arts Ap plicatio n Co nnectivit y Manag er Use r’ s Gu ide ix T echnical Support From training on EMC produc ts and technologies, to online support, product announcements, software regist ration, technic al white papers, interoperability information, and a range of configuration to ols, Powerlink offers resources unavailable elsewhere. For[...]

Preface x EMC Smarts Appl ication Connectivity Manager User’ s Guide[...]

EMC Sm arts Ap plicatio n Co nnectivit y Manag er Use r’ s Gu ide 1 1 Explanation of Fault Analysis Application Connectivity Monitor pro v ides root-cause analysis of applic ation failures. In addition, Application Conne c tivity Monitor deter mines the impact of network and system failures on TCP-based applications. Application Connectivi ty Mon[...]

Explanat ion of Faul t Analy sis 2 EMC Smarts Appl ication Connectivity Manager User’ s Guide Application elements are visible in the T opology Browser and Applications Map views of the Global Console when attached to the Globa l Mana ger . • TCPConnectivityCheck elements repres ent the TCP connection initiated by the ACM Domain Manager to chec[...]

EMC Sm arts Ap plicatio n Co nnectivit y Manag er Use r’ s Gu ide 3 Analysis Scenari os System U nresp onsive System Unresponsive is a root-cause problem that i ndicates that a system’ s protocol endpoints are not re sponding to ICMP or SNMP polls and that connections to applicati ons hosted by the system are down. Application Connectivity Moni[...]

Explanat ion of Faul t Analy sis 4 EMC Smarts Appl ication Connectivity Manager User’ s Guide Figure 1: Applicati on Monitored by On e Check Mail Se rver D own A Down problem indicates that the host the application is running on is responding but the application is no t available. T o diagnose Down in this scenario, ACM obser ves that the TCP che[...]

EMC Sm arts Ap plicatio n Co nnectivit y Manag er Use r’ s Gu ide 5 Analysis Scenari os Host Un respon sive An Unresponsive problem indicates that the sy stem on which the application is running cannot be re ached through the network. T o diagnose System Unresponsive in this scenario, Application Connectivity Monito r recei ves a host1.example.co[...]

Explanat ion of Faul t Analy sis 6 EMC Smarts Appl ication Connectivity Manager User’ s Guide Figure 2: Notificat ion Properties Of Degraded Pro blem Single Applicat ion and Two T CP Ch ecks In t he fol lo wing scen ari o, a W eb se r ver , HTTPSer v ice , is host ed by host1.example.com . The W eb ser ver is configured to ser ve content on two s[...]

EMC Sm arts Ap plicatio n Co nnectivit y Manag er Use r’ s Gu ide 7 Analysis Scenari os Figure 3: Applicati on Monitored by T wo Checks Web S erv er Dow n A Down problem indicates that the application is not responding to connection requests to any of its por ts. T o diagnose Down in this scenario, Application Connectiv ity Monitor mu st obser ve[...]

Explanat ion of Faul t Analy sis 8 EMC Smarts Appl ication Connectivity Manager User’ s Guide Web S erver Malfun ction A Malfunction pro blem indicates that the application is not functioning properly because it responds corr ectly to certain connection requests and incorrectly to other c onnection requests. T o diagnose Malfunction in this scena[...]

EMC Sm arts Ap plicatio n Co nnectivit y Manag er Use r’ s Gu ide 9 Analysis Scenari os Host Un respon sive A Host Unresponsive problem indicates that a network or system problem is affecting the system on which the managed application is running. T o diagnose Host Unre sponsive in this sc enario, Application Connec tivity Monitor must receive an[...]

Explanat ion of Faul t Analy sis 10 EMC Smarts Appl ication Connectivity Manager User’ s Guide Figure 5: T wo Applicatio ns Hosted By A Singl e Sy stem Mail Se rver D own A Down problem indicates that the application is not responding to connectivity polls from Appl ication Connecti vity Monitor. T o diagnose Mail Ser ver Down in th is scenario, [...]

EMC Sm arts Ap plicatio n Co nnectivit y Manag er Use r’ s Gu ide 11 Analysis Scenari os The analysis of Mail S er ver Down is independent of the analysis of other applications running on ho s t2.example.com . Web S erv er Dow n A Down problem indicates that the application is not responding to connectivity polls from Appl ication Connecti vity M[...]

Explanat ion of Faul t Analy sis 12 EMC Smarts Appl ication Connectivity Manager User’ s Guide Mail Se rver Degr aded A Degraded problem indicates that the applicatio n is not performing as expected. The application is responding to TCP r equests, but not within the expected time period. T o diagnose Mail Ser ver D egraded in this scenario, Appli[...]

EMC Sm arts Ap plicatio n Co nnectivit y Manag er Use r’ s Gu ide 13 Analysis Scenari os Figure 7: Host Unresponsive Affects Applicatio ns Impact Analysis with Business Impact Manager When Application Connectivity Monitor is deployed in conjunction w ith Business Impact Manager, problems diagnosed by ACM for appli cations and systems result in I [...]

Explanat ion of Faul t Analy sis 14 EMC Smarts Appl ication Connectivity Manager User’ s Guide In the following scenario, a ServiceOffering, DNSS er vice , con sists o f a DNS ser ver , DN SSer ver , that is hosted by host3.example.com . The DNS ser vice, is subscribed to by ACMECorp, a customer of the ser vice provider . In this scenario, Applic[...]

EMC Sm arts Ap plicatio n Co nnectivit y Manag er Use r’ s Gu ide 15 Analysis Scenari os Figure 8: DNSS erve r Dow n Pr opag ates to Bu sin ess E lemen ts[...]

Explanat ion of Faul t Analy sis 16 EMC Smarts Appl ication Connectivity Manager User’ s Guide[...]

EMC Sm arts Ap plicatio n Conne ctivity Monitor User’ s Guide 17 2 V iewing Analysis Results and Application T opology This chapter describes using the Global Console to view the analysis provided by Application Connectivity Monitor. This includes a description of the Applications maps, which provide a graphical repres entation of the application[...]

V iewin g Analysis Result s and Appl ication T opolog y 18 EMC Smarts Application Connectivity Monitor User’ s Guide When Application Connectivity Monitor diagnoses a problem or detects an abnormal condition, it generates a noti fication. The Global Console displays notifications in several ways: • In the tabular format of a N otification Log v[...]

EMC Sm arts Ap plicatio n Conne ctivity Monitor User’ s Guide 19 V iewing Applica tion T opology in Maps Viewing Application Topology in Maps In addition to vi e wing notificati ons in a Notification Log, y ou can also view the results of Application C onnectivity Monitor’ s analysis in a map. A map provides a graphical representation of the to[...]

V iewin g Analysis Result s and Appl ication T opolog y 20 EMC Smarts Application Connectivity Monitor User’ s Guide • Right-click on a node in a map and s elect Applications from the sub menu . Topology Eleme nts Displayed in an App lication Map An Applications map displays the topolo gical elements related to the deliver y of application ser [...]

EMC Sm arts Ap plicatio n Conne ctivity Monitor User’ s Guide 21 Index A Aggrega tes Notification Properties 18 Applic ation HostedBy relationship 1 Applic ation maps Open ing in Glob al Conso le 19 T o pology elements 20 Unresponsive syst em example 13 Audit Log Notification Properties 18 B BAS EDIR vii Business Impact Manag er 13 Business Servi[...]

Index 22 EMC Smarts Application Connectivity Monitor User’ s Guide Notifications View ing in Global Conso le 18 P Polling TCPCon nectiv ityC heck 2 R Root-cause pro blem Degraded 2 Down 2 Malfunction 2 System Unresponsive 2 S Ser viceOff ering 13 Ser viceSubscriber 13 Show Map option 19 SlowSymptom 2 System topology 1 System Unresponsive problem [...]