65968: Boost Your Application Availability With Linux on System Z and Hitachi Global Active Device
Project and Program:
Core Platform,
z/VM Systems Programming,
Hardware Linux
Tags:
Proceedings,
SHARE DC 2025,
2025
This presentation highlights synergy between IBM Z, Linux on IBM Z running in
z/VM hypervisor virtual machines and Hitachi Global Active Device (GAD). As part
of this presentation, below topics will be introduced: • The IBM Z hardware
features and I/O configuration • z/VM dynamic I/O configuration • Fault tolerant
network configuration • z/VM Scalability features • Linux on IBM Z mainframe •
and Hitachi Global Active Device (GAD) The GAD is a Hitachi storage feature,
when properly configured, ensures continuous access to the storage LUNs even
when some of its components stop working. The Linux Guests configured in
clustered or non-clustered mode on z/VM can exploit GAD which are configured as
SCSI LUNs i.e., using Open Fibre Channel Protocol (FCP). The presentation
focuses on implementation and configuration aspects of GAD along with Linux
guests hosted on IBM z/VM hypervisor.
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