A snapshot saves a read-only copy (called a snapshot) of a designated MTree at a specific time. You can use a snapshot as a restore point, and you can manage MTree snapshots and schedules and display information about the status of existing snapshots.

References:

Dell EMC Data Domain Operating System Version 6.1, Administration Guide, page 206

The /data/col1/backup directory is the default destination directory for compressed backup server data. Clients, such as backup servers that perform backup and restore operations with a Data Domain System, at the least, need access to the /data/col1/backup directory.

References:

&tstart=0

In many-to-one replication, whether with MTree or directory, replication data flows from several source DD systems to a single destination DD system.

References:

Dell EMC Data Domain Operating System Version 6.1, Administration Guide, page 398