It is recommended that a source have
four or fewer targets. It is also possible to have multiple SCR sources replicate to a single SCR target, as
long as the total number of storage groups on the target does not exceed the 50 storage group limit.
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You might choose SCR because:
??‘ Site resiliency is required
??‘ High availability is required for specific sets of users
??‘ Ability to use low - cost DAS storage
??‘ Ability to use a variety of hardware ??” not restricted to WHCL certification
This chapter discusses installing, seeding, monitoring, failover, and failback of LCR, CCR, and SCR
clusters.
Installing LCR, CCR, SCR
This section examines the installation process for CCR, LCR, and SCR. LCR and SCR can be added on
after installation, whereas CCR must be configured during the server install. The following cmdlets are
used during installation:
??‘ New-MailboxDatabase
??‘ Enable-DatabaseCopy
??‘ New-PublicFolderDatabase
??‘ Enable-StorageGroupCopy
??‘ Get-MailboxDatabase
??‘ New-StorageGroup
Installing Local Continuous Replication (LCR)
LCR can be enabled to an existing database, or enabled when creating a new database.
Overall the steps for enabling LCR are:
1. Ensure 1 - 1 storage group to database design
2.
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