APC Snap Server 2200 Specifications download pdf (Page 44)

RAIDs

30 Snap Server Administrator Guide

space is preconfigured to allocate eighty percent of the RAID for the file system and

the remaining twenty percent for snapshots.

RAIDs

RAIDs are created, viewed, edited, and deleted from the

Storage > RAID Sets

screen

of the Administration Tool. Most Snap Servers ship with all disk drives configured

as a RAID 5. Before changing the default RAID configuration, consider the

following information on the Snap Server’s RAID implementation.

Factors in Choosing a RAID Type

The type of RAID configuration you choose depends on a number of factors: (1) the

importance of the data; (2) performance requirements; (3) drive utilization; and (4)

the number of available drives. For example, in configuring the four disk drives of

the 4500, the decision whether to include a hot spare in the RAID depends on the

value you place on capacity vs. high availability. If capacity is paramount, you

would use all drives for storage; if high availability were more important, you

Drives / RAID

Snap Server 18000 8-disk RAID 5 + hot spare

Snap Server 15000

Snap Server 4500

Snap Server 4200

4-disk RAID 5 (No hot spare configured)

Snap Server 14000 11-Disk RAID 5 + 1 local hot spare

Snap Disk 10 4-disk RAID 5 (No hot spare configured)

Snap Disk 30/32SA 16-disk JBOD

Allocation

Volume 80% of RAID capacity is allocated to the default volume.

Snapshot Pool 20% of RAID capacity is allocated to the snapshot pool.

Security

Shares A single share points to the volume.

Share Access Grants read/write access to all users and groups over all

protocols.

Security Model Windows-style file-level security (can be changed to UNIX)

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APC Snap Server 2200 Specifications Page 44