单选题A customer has been receiving warning alerts on their storage units. All data is protected nightlyby a backup and has been tested without any issues. What should the customer do prior tocontacting IBM Support？（）A collect all support dataB implement a c
题目
单选题
A customer has been receiving warning alerts on their storage units. All data is protected nightlyby a backup and has been tested without any issues. What should the customer do prior tocontacting IBM Support？（）
A
collect all support data
B
implement a current backup
C
update all firmware levels
D
shut down the storage system