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Default Storage Configuration
Default Storage Configuration
Snap Servers with four or more drives are preconfigured as a single RAID 5 and
Snap Server 110 and 210 are preconfigured as a single RAID 0. Each server's disk
space has a single volume, and a single share pointing to the volume. The share
access settings of the default share grant access to all users and groups over all
protocols. The data space is preconfigured to allocate 80 percent of the RAID for the
file system and the remaining 20 percent for snapshots (including servers that
require a license to activate snapshots).
Snap Server 110
Snap Server 210
Snap Server 410
Snap Server 520
Snap Server 550
Snap Server 650
SANbloc S50
Volume
Snapshot Pool
Shares
Share Access
Security Model
Changing the Default Storage Configuration
The Snap Server's flexible storage architecture allows for a wide variety of
implementations to suit many different storage needs. In some cases, administrators
may change the default configuration to increase capacity by modifying the
configuration of the Snap Server, or attaching one or more expansion arrays.
When a backup scheme does not require backing up from a snapshot, or when a
backup window can be used while files are not active, the snapshot space can be
reclaimed for storage on the data volume. In cases when backup is ongoing or very
frequent, a RAID 0 configuration may be more appropriate than the default RAID 5
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Snap Server Administrator Guide
1-disk RAID 0
2-disk RAID 0
4-disk RAID 5 (No hot spare configured)
up to 12-disk JBOD
80% of RAID capacity is allocated to the default volume.
20% of RAID capacity is allocated to the snapshot pool.
A single share points to the volume.
Grants read/write access to all users and groups over all
protocols.
Windows-style file-level security (can be changed to UNIX)
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