MACROMEDIA COLDFUSION MX-CLUSTERCATS Bedienungsanleitung Seite 108
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98 Chapter 4 Configuring Clusters
Administrator alarm notifications
The ClusterCATS alarm notification feature provides instant feedback about critical
events that take place within a cluster. When an event triggers an alarm, ClusterCATS
notifies one or more people by e-mail. The events that can trigger a notification are listed
below.
If an event you selected occurs, ClusterCATS sends an e-mail message to the designated
person. The following table explains the notification schedule for each event.
This section describes the following:
• “Configuring administrator alarm notifications on Windows” on page 98
• “Configuring administrator alarm notifications on UNIX” on page 99
Configuring administrator alarm notifications on Windows
To configure an alarm notification:
1 In ClusterCATS Explorer, select a cluster.
2 Select Configure > Alarm Notification or right-click the cluster and select Configure
> Alarm Notification.
The Alarm Notification dialog box displays.
3 Select an event for which to trigger an alarm and enter the e-mail address of the
person you want to receive an e-mail notification of the event.
If you want multiple people to receive an e-mail notification about an event, add
more e-mail addresses to the field. Separate each e-mail address with a comma.
4 Repeat step 3 for each event you want to be notified about.
To send all notifications to one e-mail address, enter the address once and click
Propagate.
5 Enter the name of the default SMTP mail server to which your mail is delivered, in
the Default SMTP Host field.
6 Click OK.
Event type Notification occurs...
Disk Failure Immediately
HTTP Server Failure Immediately
Server Busy Warning Every 24 hours
Server Unreachable Immediately
Web Server Failover Immediately
JRun Probe Failure Immediately
- Using ClusterCATS 1
- CONTENTS 3
- C o n t e n t s v 5
- ABOUT THIS BOOK 7
- Developer resources 8
- Viewing online documentation 9
- Contacting Macromedia 10
- CHAPTER 1 11
- Before You Begin 11
- ClusterCATS overview 12
- Detailed overview 13
- • A user enters a new URL 14
- • A user employs a bookmark 14
- ClusterCATS overview 5 15
- ClusterCATS components 16
- System requirements 17
- CHAPTER 2 19
- What is scalability? 20
- What is scalability? 11 21
- Load management 22
- Avoiding common bottlenecks 26
- • “What is DNS?” on page 17 27
- Zones and domains 28
- What is website availability? 33
- Common failures 34
- Website availability scenario 35
- Failover considerations 35
- What is clustering? 38
- • It uses proven technology 39
- CHAPTER 3 43
- Installing ClusterCATS 43
- Before you install 44
- Configuring server failover 48
- Configuring firewalls 48
- Analyzing web server content 49
- After you install 55
- CHAPTER 4 57
- Configuring Clusters 57
- ClusterCATS Server 58
- Creating clusters 64
- Creating clusters 55 65
- Creating clusters 57 67
- Creating clusters in UNIX 70
- 3 Click OK 71
- Removing clusters 72
- Adding cluster members 73
- Removing cluster members 75
- Server load thresholds 76
- Server load thresholds 67 77
- Server load thresholds 69 79
- Server load thresholds 71 81
- Session-aware load balancing 82
- Session swapping overview 84
- Using ColdFusion probes 87
- Using ColdFusion probes 81 91
- To remove a ColdFusion probe: 91
- Using ColdFusion probes 83 93
- Using JRun probes 94
- Using JRun probes 85 95
- To remove a JRun probe: 98
- Using JRun probes 89 99
- To add a new JRun probe: 99
- Load-balancing devices 102
- • dynamic-feedback -retry 103
- Product drop-down list 104
- Load-balancing devices 97 107
- Administrator e-mail options 110
- Administering security 113
- Administering security 105 115
- Administering security 107 117
- CHAPTER 5 119
- Maintaining Cluster Members 119
- Resetting cluster members 130
- CHAPTER 6 131
- ClusterCATS Utilities 131
- Using btadmin 132
- Using btcfgchk 136
- Using hostinfo 139
- Using sniff 140
- CHAPTER 7 141
- Optimizing ClusterCATS 141
- Using server failover 147
- Overview of metrics 148
- Load types 149
- Output variables 149
- 142 Index 152
- 146 Index 156
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