IBM Scale Out NAS With New HDDs

IBM SONAS now offers 4TB 7.2k rpm Nearline SAS disks for the SONAS Storage Controller 2 (2851-DR2) and SONAS Storage Expansion 2 (2851-DE2).

SONAS Storage Controller 2 (IBM Machine type model 2851-DR2): This storage controller is a 4U x 60 disk drive storage controller with redundant RAID controllers, redundant power supplies and cooling modules, and HDD slots for sixty 3.5-inch or 2.5-inch HDDs or SSDs.

Two types of RAID controllers are available:

Base RAID controller
Performance Module controllers (feature #3100)

With the base RAID controllers, two cache memory sizes are available: 4GB and 8GB per storage controller. With the Performance Module Controllers, three cache memory sizes are available: 12GB, 24GB, and 48GB per storage controller.

SONAS Storage Expansion 2 (IBM Machine type model 2851-DE2): This storage expansion unit is a 4U x 60 disk drive expansion unit with redundant environmental services modules (ESMs), redundant power supplies and cooling modules, and HDD slots for sixty 3.5-inch or 2.5-inch HDDs or SSDs.

This storage controller and storage expansion units are able to be ordered with a SONAS system and configured as a SONAS Gateway-attached storage system. The MES upgrade process will support additional storage controller and storage expansion units, and they will be configured at the customer location as SONAS Gateway attached storage.

When fully populated with sixty 4TB 7.2k rpm SAS disk drives, each enclosure supports a maximum raw capacity of 240TB.

The SONAS Storage Controller 2 (2851-DR2) requires: