User's Manual

Known Issues and Frequently Asked Questions 139
For PERC 4 (except PERC 4/IM) controllers:
• RAID 0: 10MB
• RAID 1: 10MB
• RAID 5: 10MB
For PERC 5 controllers:
• RAID 0: 100MB
• RAID 1: 100MB
• RAID 5: 100MB
For PERC 6 controllers:
• RAID 0: 100MB
• RAID 1: 100MB
• RAID 5: 100MB
• RAID 6: 100MB
• RAID 60: 100MB
Q: Why can’t I see any controllers using RAIDCFG?
A: Ensure that the RAID controller(s) can be seen in the BIOS during POST.
If the BIOS does not detect the controller, then RAIDCFG will also not
detect it. Also ensure that the controller is set to RAID mode and not any
other mode in the controller BIOS.
Q: What is span length?
A: Span length is the field needed when you try to create a RAID 50. The
number represents the span size of the RAID 5.
Q: What pre-operating system environments are CERC SATA 1.5/6ch, and
CERC SATA 1.5/2s controllers supported on?
A: They are supported only on embedded Linux.
Q: PARTCFG cannot enumerate the virtual disk(s) created by RAIDCFG.
What should be done?
A: A reboot is required for PARTCFG to enumerate virtual disks after creating
a virtual disk using the RAIDCFG command.