We wanted to provide you an in-depth explanation of the Ping-Node offering clarifications on its function and usage. Incorrect Ping-Node configuration and functionality can cause problems with HA clusters. The importance of this post is critical for a proper setup with the iSCSI Failover. Why do we need a ping-node or rather ping-nodes? DSS V6 iSCSI Failover (and soon NFS Failover) uses a heartbeat to check the Primary and Secondary hosts to each other. We [...]

Hard disk performance is limited by mechanical parts velocity and there is no solution for this issue. Servers are using RAID for redundancy and for performance. Thanks to RAID technology it is possible to scale single hard disk performance. The team of disks works faster, but applications are needing increased improvements as over periods technical evolutions. There are storage offers using DDR RAM or SLC Flash that claim 2-20 GB/s throughput or 100K to millions [...]