IBM Power 7 Storage controller and drive bays

8202 EJ01: Storage backplane with external SAS port (higher-function backplane, Dual 175 MB Write Cache RAID)

EJ01 is IBM's Storage backplane with external SAS port (higher-function backplane, Dual 175 MB Write Cache RAID). Listed for 8202-E4C, 8202-E4D, 8205-E6C and more.

The upgraded internal disk board with RAID 5/6, write cache and an outside SAS port; IBM i needs it to use the internal drives.

EJ01 at a glance

DetailValue
Feature codeEJ01
NameStorage backplane with external SAS port (higher-function backplane, Dual 175 MB Write Cache RAID)
Part typeStorage controller and drive bays
Bays8 x SFF SAS HDD/SSD plus SATA DVD and half-high tape/RDX
CacheDual 175 MB write cache
RAIDRAID 0, 1, 5, 6, 10
Ports1 external SAS port
Listed for these Power 7 machine types8202-E4C, 8202-E4D, 8205-E6C, 8205-E6D
Runs with IBM iYes ... FC EJ01 is required by IBM i to natively use the internal storage and the system SAS port.

No split backplane with EJ01. The basic alternative is FC 5618 (six bays, no RAID 5/6), which IBM i does not support.

Before you order EJ01

The drive bay and controller setup decides how many drives the server can hold and how they are protected. Changing it usually means planning downtime, so check it against your machine type first.

Not sure which Power 7 you have? The Identify Your Power 7 page shows how to check. Collecting several parts for one quote? Use the Power 7 maintenance and sourcing vendor directory. Or look up another feature code.

Source: IBM Power 720 and 740 Technical Overview and Introduction (REDP-4984; models 8202-E4D, 8205-E6D). Always confirm against your server's own configuration before you order.