Manuale UtenteSommarioPrinting History7Preface9Preface111 Disaster Tolerance and Recovery in a Serviceguard Cluster13Evaluating the Need for Disaster Tolerance14What is a Disaster Tolerant Architecture?16Understanding Types of Disaster Tolerant Clusters18Extended Distance Clusters18Cluster Extension (CLX) Cluster23Continental Cluster27Continental Cluster With Cascading Failover30Comparison of Disaster Tolerant Solutions30Disaster Tolerant Architecture Guidelines37Protecting Nodes through Geographic Dispersion37Protecting Data through Replication38Using Alternative Power Sources44Creating Highly Available Networking45Disaster Tolerant Cluster Limitations47Managing a Disaster Tolerant Environment48Additional Disaster Tolerant Solutions Information502 Building an Extended Distance Cluster Using Serviceguard and Software RAID51Types of Data Link for Storage and Networking52Two Data Center and Quorum Service Location Architectures53Rules for Separate Network and Data Links57Guidelines on DWDM Links for Network and Data583 Configuring your Environment for Software RAID61Understanding Software RAID62Installing the Extended Distance Cluster Software63Supported Operating Systems63Prerequisites63Installing XDC63Verifying the XDC Installation64Configuring the Environment66Configuring Multiple Paths to Storage69Setting the Value of the Link Down Timeout Parameter69Using71Creating a Multiple Disk Device72To Create and Assemble an72Creating74Configuring the Package Control Script and RAID Configuration File76Creating and Editing the Package Control Scripts77Editing the raid.conf File784 Disaster Scenarios and Their Handling85Viewing the Status of the MD Device98Stopping the MD Device99Starting the MD Device100Removing and Adding an MD Mirror Component Disk101Adding a Mirror Component Device102Dimensioni: 562 KBPagine: 104Language: EnglishApri il manuale
