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2.2.2. s/390 Hardware Requirements

For the s/390 mainframe platform, the following table shows the requirements and recommended configurations for both standalone and embedded databases.

Table 2.3. Stand-Alone Database and Embedded Database Satellite Hardware Requirements for s/390 Platform

Stand-Alone Database Embedded Database
Required - 1 IFL, either in LPAR configuration or shared through z/VM Required - 1 IFL, either in LPAR configuration or shared through z/VM
Recommended - 2+ IFLs on z9 or earlier, 1+ IFL on z10 Recommended - 2+ IFLs on z9 or earlier, 1+ IFL on z10
Required - 2 GB of storage (memory) Required - 2 GB of storage (memory)
Recommended - 8 GB of memory Recommended - 8 GB of memory
Required - 1 GB swap on ECKD DASD Required - 1 GB swap on ECKD DASD
Recommended - 512 MB swap on VDISK + 1 GB swap on ECKD DASD Recommended - 512 MB swap on VDISK + 1 GB swap on ECKD DASD
Required - 1xMod3 ECKD DASD or ≥ 2 GB FCP SCSI LUN for OS install Required - 1xMod3 ECKD DASD or ≥ 2 GB FCP SCSI LUN for OS install
Recommended - 1xMod9 ECKD DASD or ≥ 2 GB multipathed FCP SCSI LUN for Red Hat Enterprise Linux installation Recommended - 1xMod9 ECKD DASD or ≥ 2 GB multipathed FCP SCSI LUN for Red Hat Enterprise Linux installation
Estimated 12 GB disk space for embedded database
At least 30 GB storage per software channel (including Base and child channels), in /var/satellite/, configurable at install At least 30 GB storage per software channel (including Base and child channels), in /var/satellite/, configurable at install
Recommended - z/VM 5.3 or later[a] Recommended - z/VM 5.3 or later
Recommended - VSWITCH or Hipersocket LAN for high speed connections to guests Recommended - VSWITCH or Hipersocket LAN for high speed connections to guests
[a] z/VM required for kickstart/provisioning of guests.