Determining disk storage space required for a new installation

Before you schedule a time to install the new IBM i release, you need to know the storage space that is required.

Load-source disk unit requirements: The minimum load source requirements for external, virtual load source LUNs, and Native-attached SAS drives are listed. For more details, see the IBM i and Related SoftwareLink outside information centerdeveloperWorks® website .

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  • Minimum of 35 GB for 520-byte sectors (DS8000, virtual disk with VIOS as server)
  • Minimum of 40 GB (to get 35 GB useable space) for 512-byte sectors (SVC, Storwize, virtual disks with VIOS VSCSI or IBM i as server)
  • Minimum of 70 GB for Native-attached SAS/SCSI (Both 520-byte or 4K sectors)
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Options for upgrading the load-source disk unit are available under the topic Disk management checklist. Otherwise contact your authorized service provider for assistance.