Users Guide

RAID Level Data Availability Read
Performance
Write
Performance
Rebuild
Performance
Minimum Disks
Required
Suggested
Uses
data intensive
uses.
RAID 6 Excellent Sequential reads:
good.
Transactional
reads: Very good
Fair, unless using
writeback cache
Poor N + 2 (N = at
least two disks)
Critical
information.
Databases and
other read
intensive
transactional
uses.
RAID 60 Excellent Very Good Fair Poor X x (N + 2) (N =
at least 2)
Critical
information.
Medium sized
transactional or
data intensive
uses.
N = Number of physical disks
X = Number of RAID sets
Supported Controllers
Supported RAID Controllers
The iDRAC interfaces support the following PERC9 controllers:
• PERC H830
• PERC H730P
• PERC H730
• PERC H330
The iDRAC interfaces support the following PERC8 controllers:
• PERC H810
• PERC H710P
• PERC H710
• PERC H310
Supported Non-RAID Controllers
The iDRAC interfaces supports 12Gbps SAS HBA External Adapter.
NOTE:
iDRAC does not support software RAID. For information about software RAID, see Lifecycle Controller GUI
User’s Guide available at dell.com/support/manuals.
Supported Enclosures
iDRAC supports MD1400 and MD1420 enclosures.
Summary of Supported Features for Storage
Devices
The following table provides the features supported by the storage devices through iDRAC.
174
Managing Storage Devices