Skip to main content
Sign Out

Welcome to Dell

My Account
  • 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.
Sign In Create an Account Dell Financial Services Premier Sign In Partner Program Sign In
Contact Us

Your Dell.com Carts

Dell PowerFlex 4.5.x Technical Overview

PDF

Cache

PowerFlex supports RAM Read Cache (using DRAM server memory), to enhance system performance.

The following table summarizes information about the caching modes provided by the system.

Table 1. Caching modesThis table summarizes information about the caching modes provided by the system.
Mode Description Considerations Default Setting
RAM Read Cache (RMcache) Read-only caching performed by server RAM. RAM Read cache, the fastest type of caching, uses RAM that is allocated for caching. Its size is limited to the amount of allocated RAM.
NOTE: The amount that may be allocated is limited, and can never be the maximum available RAM.
Disabled, except when storage-only nodes are deployed.

The following table illustrates the caching support matrix:

Table 2. Caching support matrixThis table illustrates the caching support matrix.
System RMcache
PowerFlex Yes
VxFlex Ready Node PowerEdge 13G servers Yes
VxFlex Ready Node PowerEdge 14G servers Yes

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: <>()\