A customer wants to know why their backup performance to an EMC Avamar multi-node server
has decreased. Initially they were seeing an ingest rate of approximately 5 to 7 GB/hr/node.
Recently they estimated that the ingest rate has slowed to around 3 to 5 GB/hr/node.
What is a probable cause for the decrease in the average ingest rate?

—–

A.
Garbage collection is not running causing new stripes to be created

B.
HFS check has found errors and has not been completing successfully

C.
A large number of backups have expired causing new, relatively empty stripes to be created

D.
Stripes contain more data and steady state has been achieved