Dell PowerVault NX3500 Manuel technique - Page 9

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Transition Guide for PowerVault MD3200i and MD3220i Series Arrays

to the PowerVault MD3xx0i storage appliance. It is recommended that

administrators determine their network configuration and IP allocation

for their NAS controllers before executing NASCU.

PowerVault NX3500 NAS Manager lets you configure NAS network IP

addresses and create and manage volumes and shares. You also use the

NAS Manager to set up snapshots and replication, engage NDMP backup,

and monitor NAS file system performance.

PowerVault NX3500 NAS Manager

Dell Scalable File System (DSFS) Snapshots

You can use snapshots to restore files or volumes back to a previous

state. Snapshots are also used with data protection features such as

backup and replication to provide consistent copies of a production file

system without stopping access to the production file system. Snapshot

policies are applied at the NAS volume level. When the first snapshot of

a NAS volume is created, all snapshots created after the baseline

snapshot will be a delta from the previous snapshot. DSFS uses a

Redirect-on-Write Snapshot design: Each snapshot creates a thin copy

by saving only the differences rather that a full copy of the file system.