1.0
Table Of Contents
- Administration Guide
- Contents
- About This Book
- Overview of Site Recovery Manager
- System Requirements
- Installing or Updating Site Recovery Manager
- Managing SRM
- Protected Site Configuration
- Recovery Site Configuration
- Failback
- Alerting and Monitoring
- Protected and Recovery Site Changes
- Preinstallation Checklist
- Failback Checklist
- Use the srm-config command to repair an SRM server connection
- Avoiding Replication of Paging Files and Other Transient Data
- Glossary
- Index
VMware, Inc. 13
Chapter 1 Overview of Site Recovery Manager
SAN—Storageareanetwork(FibreChanneloriSCSIarrays)supporting
array‐basedreplication.
VMwareFileSystem(VMFS)—Aclusteredfilesystemthatisoptimizedfor
storingvirtualmachines.
Array-Based Replication
SRMsupportsarray‐basedreplicationinwhichoneormorestoragearraysatthe
protectedsitereplicatetheirdatatopeerarraysattherecoverysite.Storagereplication
adapters(SRAs)arearray‐specificprogramsthatarrayvendorsprovidetosupportthe
useofarray‐basedreplicationbySRM.SRAsarenot
partofanSRMrelease.Yourarray
vendorprovidesandsupportsSRAs.YoucanalsodownloadthemfromtheVMware
Website.YoumustinstallSRAsspecifictothearraysthatyouwanttousewithSRMon
theSRMserverhost.
LUN Replication and Datastores
EachstoragearraysupportsasetofLUNs(logicalstorageunitscomprisingoneor
morephysicaldevices).AgivenLUNmayormaynotbereplicated.BecauseVirtual
MachineFileSystem(VMFS)datastorescanspanmultipleLUNs,SRMmustensure
thatallLUNsinadatastorearereplicated.
Beforevirtualmachine
protectionisconfigured,SRMpresentsalistofdatastoregroups
andthevirtualmachinestheycontain.Ifthelistofdatastoregroupsisnotwhatyou
expected,correctitbeforeyoucontinue.YoucanuseStorageVMotion(ESX3.5and
higher)tomoveindividualvirtualmachines.Ifthewrongset
ofLUNsisreplicated,
reconfigurethereplication.
Protection Groups
Aprotectiongroupisagroupofvirtualmachinesthatfailovertogether.Oneprotection
groupmustbecreatedforeachreplicateddatastore.Aftertheprotectiongroupsare
createdattheprotectedsite,they(andtheirvirtualmachines)mustalsobeaddedto
recoveryplansontherecoverysitetocompletethe
SRMsetup.
Whennewvirtualmachinesarecreatedonreplicateddatastores,eventsarecreated
(andalarmscanbeassociatedwiththoseevents)thatnotifyyouwhentheyare
triggered.Whenthishappens,gototheprotectiongroup,findtheunconfiguredvirtual
machines,andmodifythesettingsforeachvirtualmachine.
N
OTEThisverificationstepisacriticalcheckpointthateliminatesoneofthebiggest
sourcesoferrorindisasterrecoveryplans.