HP ProLiant ML310 G3 Data Protection Storage Server - Manual (Page 36)

When the primary OS has a failure, such as system files becoming
corrupted, registry corrupted, or the system hangs during boot, the
system should be run from the secondary OS. To run the system from the
secondary OS:
1. Power down the unit.
2. Connect a monitor, keyboard, and mouse directly to the rear of the
unit.
3. Power on the unit.
4. During boot up, select to use the secondary partition.
Be sure to back up your user data, and then use the Quick Restore DVD
to restore the server to the factory default state as soon as conveniently
possible.
External storage drives
The MSA20 drives for the DL100 G2 3TB and 6TB are configured for
hardware RAID fault tolerance using the HP Smart Array 6402 RAID
Controller. The HDDs are hot-pluggable and hot-swappable.
The logical drives are configured as RAID 5 volumes, and partitioned with
two RAID 5 logical partitions. A total of two or four RAID 5 backup data
partitions are available for the DPM software, depending on the model.
Table 5 DL100 G2 3TB DP Storage Server (two-HDD) 1–MSA20
drive configurations
Logical
drive
RAID level Size/allocation Purpose
Array A
1 RAID 5 2 TB across the array. Backup
data
2 RAID 5 Remaining space across the
array.
Backup
data
1
1
For each array, one hot spare drive is available.
36 Default storage configurations