●OpenStack/CloudStack
●Hadoop/Spark/Ceph
●Data Extraction: Hbase / AWS
●High Performance Computing (HPC)
●VMware / Hyper-V / Citrix
●Huawei: FusionSphere / FusionCloud / FusionStorage / FusionAccess
●Open source classes: Tomcat, kafka, apache, Active MQ, Robbit MQ, Rocket MQ
●Traditional classes: CICS, WebSphere, WebLogic, Tuxedo, MQ
●Open source classes: MySQL, MongoDB, Redis, ElasticSearch, PostgreSQL
●Traditional classes: Oracle, DB2, Informix, Sybase, SQLServer
●CommVault, Veeam backup, Anybackup, Dingjia DBackup
●Symantec NBU, EMC Networker, IBM TSM, HP DP
●IBM HACMP, HP MC/SG, SUN Cluster, Linux HA, Symantec VCS, MSCS, Rose HA, HAproxy, KeepA
●Linux: Rehat Linux, Suse Linux, Kirin Linux, Tunxin Linux, and openEuler
●UNIX: AIX, HP-UX, and Solaris
●Pinpoint, SkyWalking, Zipkin
●Prometheus, Zabbix, Open-Falcon, Nagios, Garafana
●K8S, Docker, Podman, Openshift
●Hadoop, CDH, CDP, HDP
●HDFS, CEPH, GFS, GPFS, Swift
Operation and maintenance process management
Storage devices (FC, NAS, ISCSI)
Tape library devices (physical and virtual)