Users Guide

Virtual Disk Specification PERC S150
Maximum Number of Physical Disks in a RAID 10 16
Minimum Number of Physical Disks that Can Be Concatenated NA
Minimum Number of Physical Disks in a RAID 0 2
Minimum Number of Physical Disks in a RAID 1 2
Minimum Number of Physical Disks in a RAID 5 3
Minimum Number of Physical Disks in a RAID 10 4
NOTE: When creating virtual disks using software RAID controllers, the information related to the physical disks linked
to the virtual disk is enumerated or displayed on Storage Management after a short delay. This delay in displaying the
information does not cause any functional limitation. If you are creating partial virtual disks, it is recommended that you
provide Storage Management adequate time between each partial virtual disk creation process.
RAID Levels Supported By The PERC Software RAID
Controllers
Table 48. RAID Levels Supported by PERC S150 Controllers
RAID Level PERC S150
RAID 0 Yes
RAID 1 Yes
RAID 5 Yes
RAID 10 Yes
RAID 50 No
RAID 6 No
RAID 60 No
Read Write Cache And Disk Cache Policy Supported By
The PERC Software RAID Controllers
Table 49. Read, Write, and Cache Policy Supported by the PERC S150 Controllers
Read, Write, and Cache Policy PERC S150
Cache settings Yes
Read Policy Yes
Read Ahead (Enabled) Yes
No Read Ahead (Disabled) Yes
Write Policy Yes
Write Back (Enabled) Yes
Write Through (Disabled) Yes
Force Write Back (Enabled Always) No
Write Cache Enabled Protected No
Cache Policy No
Supported Features 157