Table of Contents
Advertisement
Chapter 7
7.
Caching
Storage-system caching requires
•
two storage-control processors, each with the same amount of cache
memory
•
fully charged storage system backup battery
•
minimum of 8 MB of memory for each SP
•
cache enabling using the raid5 setcache command, as explained in this
chapter
•
disk modules in slots A0, B0, C0, D0, and E0 as a fast repository for
cached data
Caching cannot occur unless all these conditions are met.
This chapter explains
•
setting cache parameters
•
viewing cache statistics
•
upgrading CHALLENGE RAID to support caching
•
changing cache unit parameters
85
Advertisement
Table of Contents
Need help?
Do you have a question about the CHALLENGE RAID and is the answer not in the manual?
Questions and answers