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Knowledge Base

System Startup Failure Due to Extra Hard Disks on a 2208 RAID Controller Card

Publication Date:  2019-05-16  |   Views:  696  |   Downloads:  0  |   Author:  jWX465802  |   Document ID:  EKB1100015470


Issue Description

When number of system hard disks is expanded to 18, the system fails to start. On the self-check page of the RAID controller card, a message "Number of disks exceeded the maximum supported count of 16 disks. Please remove the extra drives and reboot system to avoid losing data. Press 'Y ' to continue with extra drives." is displayed.

Alarm Information

Handling Process

Use the serial number of the RAID controller card to check its model and information.
Module,SR320BC 1GB,BC1M09ESMJ,SR320BC 1GB Cache(LSI2208)-Board ID 0X2b-RAID0,1,10,5,50,6,60-1GB-16HDD,+600mm&580mm MiniSAS HD Cable Moudle

This RAID controller card supports a maximum of 16 hard disks.

Root Cause

A RAID controller card has specifications for hard disks and only supports a maximum number of hard disks. If the disk number exceeds this number, hard disks cannot be identified by the RAID controller card even if the hard disk enclosure supports insertion. As a result, the self-check for system startup fails.


Remove extra hard disks.


Check the number of hard disks supported by a RAID controller card before initial configuration.