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Figure 2-32 EXP30 Ultra SSD I/O Drawer
EXP30 supports RAID 0, 5, 6, and 10 and has up to 30% performance improvement over
the older version (FC 5888). A maximum of two ESP30 drawers can be attached to the
Power 750 and Power 760 running AIX and Linux operating systems.
Drawer support with IBM i: At the time of writing, one EXP30 drawer only is supported
when using the IBM i operating system.
Disks
The 387 GB SSD disk (FC ES02) are an SSD option to fit in the EXP30 drawer. A minimum of
six SSDs are required in each Ultra drawer. Each controller can access all 30 SSD bays. The
bays can be configured as one set of bays that is run by a pair of controllers working together.
Alternatively the bays can be divided into two logical sets, where each of the two controllers
owns one of the logical sets. With proper software if one of the controller fails, the other
controller can run both sets of bays
GX++ 2-port PCIe2 X8 Adapter
The GX++ 2-Port PCIe Adapter (FC 1914) enables the attachment of the EXP30 Ultra SSD
I/O Drawer. The adapter is plugged into a GX++ slot of the 4U Power 770 or 780 (9117-MMD
or 9179-MHD). Up to two PCIe cables connect the drawer to the GX++ 2-port adapter.
The following cable sizes are used for connecting drawer and adapter:
1.5 meters (FC EN05)
3 meters (FC EN07)
8 meters (FC EN08)
When connecting one drawer to the server, it is suggested to have both FC 1914 ports
connected to the drawer for redundancy, as shown on Figure 2-33 on page 95.
On the other side, if the server needs to be connected to two FC EDR1, connect each
controller to a separate GX++ adapter, as shown on figure Figure 2-34 on page 95.
94
IBM Power 770 and 780 (9117-MMD, 9179-MHD) Technical Overview and Introduction
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