Skip to main content
  • Place orders quickly and easily
  • View orders and track your shipping status
  • Enjoy members-only rewards and discounts
  • Create and access a list of your products
  • Manage your Dell EMC sites, products, and product-level contacts using Company Administration.

Dell PowerEdge RAID Controller 9 User’s Guide H330, H730, and H830

Fault tolerance

The PERC 9 series supports the following:

  • Self Monitoring and Reporting Technology (SMART)
  • Patrol Read
  • Physical disk failure detection
  • Physical disk rebuild using hot spares
  • Controller cache preservation
  • Battery and non-volatile cache backup of controller cache to protect data
  • Detection of batteries with low charge after boot up

The next sections describe some methods to achieve fault tolerance.


Rate this content

Accurate
Useful
Easy to understand
Was this article helpful?
0/3000 characters
  Please provide ratings (1-5 stars).
  Please provide ratings (1-5 stars).
  Please provide ratings (1-5 stars).
  Please select whether the article was helpful or not.
  Comments cannot contain these special characters: <>()\