White Papers

Dell HPC NFS Storage Solution - High Availability (NSS6.0-HA) Configuration with Dell PowerEdge 13
th
Generation Servers
7
failover the storage service to the healthy server with the assistance of the two fence devices; and also
ensure that the failed server does not return to life without the administrator’s knowledge or control.
The disk-based storage array is formatted as a Red Hat Scalable file system (XFS) and exported to the
HPC cluster via NFS service of the HA cluster. Large capacity file systems (greater than 100TB) have
been supported since the 2
nd
version of NSS-HA solution
(2)
.
Figure 1 depicts the general infrastructure of the NSS-HA solution. For detailed information, refer to
the previous NSS-HA white papers
(1) (2) (3)
.
The infrastructure of the NSS-HA solution Figure 1.
Note: The iDRAC 8 enterprise is not shown in the figure, and it is installed on each NFS server for Dell
NSS-HA solutions. The term of Network Power Switches refers to APC PDU (Power Distribution Unit) in
Dell NSS-HA solutions.