The introduction of two ways to collect RAID card.
1. Use VTL3500 MegaRAID management software.
Click log--save log text
2. SSH connect to the linux system in the bottom of VTL3500, collecting by script.
#./MegaCli64 -AdpEventLog -GetEvents -f /root/raidlog.txt -a0
Logs are in /root/raidlog.txt