Raid Type Selection - Overland Storage SnapServer Administrator's Manual

SnapServer 7.0 Administrator's Guide
A screen will appear confirming your initial setup. Click Restart to restart the network and
proceed to the next step.
Next, configure the type of RAID storage you want to use.

RAID Type Selection

GuardianOS 7.0 offers the new, powerful DynamicRAID feature that simplifies management
of disk additions and replacements in a RAID environment. It also allows you to manually
manage the RAIDs using the Traditional RAID option.
• When using DynamicRAID, you can choose the parity mode option. That setting is
based on the number of disk drives. See
• When using Traditional RAID, you can choose the RAID type. See
Choosing a RAID Type" on page 2.
In addition, snapshot space can be reserved using the following guidelines:
• For typical usage, at least 20% snapshot space should be reserved from each storage
pool or RAID.
• DynamicRAID – Once snapshot space is set up, it can be decreased at any time;
• Traditional RAID – Snapshot space can be increased or decreased depending on
See "Snapshots" on page 6-2
10400317-001 10/2011
however, to increase it, the storage pool must be deleted.
space available on the RAID.
for more information.
©2010-11 Overland Storage, Inc.
2 – Server Setup and Options
"Parity Management" on page 4-7 for details.
"Factors in
2-5