Specifications

Chapter 2. Architecture and technical overview 59
Draft Document for Review May 12, 2014 12:46 pm 5102ch02.fm
Figure 2-23 Tiered Arrays (RAID 5T2, RAID 6T2 and RAID 10T2) example on AIX Raid Manager
In order to support Easy Tier make sure the server is running at least the minimum versions
described below:
򐂰 VIOS 2.2.3.3 with interim fix IV56366 or later
򐂰 AIX V7.1 TL3 SP3 or later
򐂰 AIX V6.1 TL9 SP3 or later
򐂰 RHEL 6.5 or later
򐂰 SLES 11 SP3 or later
2.6.3 External SAS port
The Power S822 DASD backplane (#EJ0U) offers a connection to an external SAS port:
򐂰 The SAS port connector is located on slot P1-C9.
򐂰 The external SAS port is used for expansion to one external SAS EXP24S SFF Gen2-bay
Drawer (#5887).
Additional drawers and the IBM System Storage 7226 Tape and DVD Enclosure Express
(Model 1U3) can be attached by installing additional SAS adapters.
2.6.4 Media bays
Included in the feature EJ0T or EJ0U backplanes there is a slimline media bay that can
optionally house a SATA DVD-RAM (#5771). Direct dock and hot-plug of the DVD media
device is supported.
Note: Only one SAS drawer is supported from the external SAS port. Additional SAS
drawers can be supported through SAS adapters. SSDs are not supported on the SAS
drawer connected to the external port.