Interoperability restrictions with Red Hat Enterprise Linux 4 update 4 for IBMz Systems
There are interoperation restrictions for
the system software and Red Hat Enterprise Linux 4 Update 4 for IBMz Systems.
Additional restrictions might be imposed on hardware, such as switches and storage, which is
attached to the system.
Installation restrictions
To install Red Hat Enterprise Linux 4 Update 4 onto the system FCP device, at least one DASD device must be connected to the system through ESCON or FICON. Otherwise, the installation fails.
IPL restrictions
Device Mapper Multipath (DM-Multipath) is not available on either the root or boot devices.
Multipath configuration
Red Hat Enterprise Linux 4 Update 4 does not include a default multipath configuration for the system.
Fabric maintenance
You must apply a workaround on the host before you can begin fabric maintenance.