User's Manual


Supported RAID Levels
Table 1-50. RAID Levels Supported by the PERC S100 and S300 Controllers

Read, Write, Cache and Disk Cache Policy
Table 1-51. Read, Write, and Cache Policy Supported by the PERC S100 and S300 Controllers

Enclosure Support
Table 1-52. Enclosure Support on the PERC S100 and S300 Controllers
Minimum Virtual Disk Size
100MB
100MB
Maximum Virtual Disk Size
None
None
Maximum Number of Spans per Virtual Disk
NA
NA
Maximum Number of Physical Disks per Span
NA
NA
Minimum Stripe Size
64k
64k
Maximum Stripe Size
64k
64k
Maximum Number of Virtual Disks per Physical Disk
8
8
Maximum Number of Physical Disks that Can Be Concatenated
NA
NA
Maximum Number of Physical Disks in a RAID 0
8
8
Maximum Physical Disks in a RAID 1
2
2
Maximum Number of Physical Disks in a RAID 5
8
8
Maximum Number of Physical Disks in a RAID 10
4
4
Minimum Number of Physical Disks that Can Be Concatenated
NA
NA
Minimum Number of Physical Disks in a RAID 0
2
2
Minimum Number of Physical Disks in a RAID 1
2
2
Minimum Number of Physical Disks in a RAID 5
3
3
Minimum Number of Physical Disks in a RAID 10
4
4

RAID Level

PERC S100

PERC S300
RAID 0
Yes
Yes
RAID 1
Yes
Yes
RAID 5
Yes
Yes
RAID 10
Yes
Yes
RAID 50
No
No
RAID 6
No
No
RAID 60
No
No

Read, Write, and Cache Policy

PERC S100

PERC S300
Cache settings
Yes
Yes
Read Policy
Yes
Yes
Read Ahead (Enabled)
Yes
Yes
Adaptive Read Ahead
No
No
No Read Ahead (Disabled)
Yes
Yes
Write Policy
Yes
Yes
Write Back (Enabled)
Yes
Yes
Write Through (Disabled)
Yes
Yes
Force Write Back (Enabled Always)
No
No
Write Cache Enabled Protected
No
No
Cache Policy
No
No
Disk Cache Policy
No
No
Cache I/O
No
No
Direct I/O
No
No