Feature codes for storage enclosure fillers
Use these feature codes to order filler sets for standard drive enclosures and High
Performance Flash Enclosures Gen2.
Table 36. Feature codes for storage enclosures
Feature code Description
2997 Filler set for 3.5-in. standard disk-drive enclosures; includes
eight fillers
2999 Filler set for 2.5-in. standard disk-drive enclosures; includes
16 fillers
1699 Filler set for 2.5-in. High Performance Flash Enclosures
Gen2; includes 16 fillers
Device adapters and flash RAID adapters
Device adapters and flash RAID adapters provide the connection between storage
devices and the internal processors and memory. Device adapters and flash RAID
adapters perform the RAID management and control functions of the drives that
are attached to them.
Each pair of device adapters or flash RAID adapters supports two independent
paths to all of the drives that are served by the pair. Two paths connect to two
different network fabrics to provide fault tolerance and to ensure availability. By
using physical links, two read operations and two write operations can be
performed simultaneously around the fabric.
Device adapters are ordered in pairs. For storage systems that use standard drive
enclosures, the device adapters are installed in the I/O enclosure pairs, with one
device adapter in each I/O enclosure of the pair. The device adapter pair connects
to the standard drive enclosures by using 8 Gbps FC-AL. An I/O enclosure pair
can support up to two device adapter pairs.
Feature codes for device adapters
Use these feature codes to order device adapters for your storage system. Each
feature includes two adapters. Device adapters are not supported for all-flash
system type 533x.
Table 37. Feature codes for device adapters
Feature code Description Models
3053 4-port, 8 Gbps device adapter pair 984, 985, 986, 84E,
85E, 86E
Drive cables
If your storage system is a machine type 283x configuration, you must order at
least one drive cable set to connect the disk drives to the device adapters.
The disk drive cable feature provides you with a complete set of Fibre Channel
cables to connect all the disk drives that are supported by the model to their
appropriate device adapters.
Disk drive cable groups have the following configuration guidelines:
v The minimum number of disk-drive cable group features for each model is one.
v The disk-drive cable groups must be ordered as follows:
Chapter 4. Storage system physical configuration 89
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