Configuring Raid And Managing Disks; Getting There; Configuring And Managing Raid; Raid Levels - HP StoreVirtual 4000 User Manual

3 Configuring RAID and Managing Disks

For each storage system, you can select the RAID configuration and the RAID rebuild options, and
monitor the RAID status. You can also review disk information and, for some models, manage
individual disks.

Getting there

1. In the navigation window, select a storage system and log in if necessary.
2. Open the tree under the storage system and select the Storage category.
Figure 7 Viewing the storage configuration category for a storage system
Columns in the RAID Setup tab show four categories:
Device Name
Device Type or the RAID level
Device Status
Subdevices
NOTE: For hardware-specific LED information for your storage system, see
system hardware" (page 21)

Configuring and managing RAID

Managing the RAID settings of a storage system includes:
Choosing the right RAID configuration for your storage needs
Setting or changing the RAID configuration, if necessary
Setting the rate for rebuilding RAID
Monitoring the RAID status for the storage system
Reconfiguring RAID when necessary

RAID Levels

The availability of certain RAID levels is determined by the number of storage system hard drives.
Table 6 Descriptions of RAID levels
RAID level
RAID 1 – Mirroring
28 Configuring RAID and Managing Disks
for document titles and document links.
Description
Offers a good combination of data protection and
performance. RAID 1 or drive mirroring creates fault
tolerance by storing duplicate sets of data on a minimum
of two hard drives. There must be an even number of drives
for RAID 1. RAID 1 and RAID 1+0(10) are the most costly
fault tolerance methods because they require 50 percent
of the drive capacity to store the redundant data. RAID 1
"Identifying the storage