Table 1. PCIe storage enclosure features (continued)
Feature code
58/88
ED/R1
External SAS enclosures
None
Two 58/87 disk drive enclosures
maximum
Drive redundant SAS paths
Two paths from each enclosure RAID
module (ERM) (one path through
each SAS expander)
Two paths from each enclosure RAID
module (ERM) (one path through
each SAS expander)
Drive concurrent maintenance
Yes
Yes
Enclosure RAID Module (ERM)
3.1-GB cache RAID SAS enclosure 6
GB x8
3.1-GB cache RAID SAS enclosure 6
GB x8
ERM custom card identification
number (CCIN)
57C3
57C3
ERM RAID levels
RAID 0, 5, 6, 10 with hot spare for 5,
6, 10
RAID 0, 5, 6, 10 with hot spare for 5,
6, 10
ERM write cache size
3.1 GB
3.1 GB
ERM external SAS links
None
Two mini SAS HD 4x connectors that
contain three physical links each
ERM concurrent maintenance
No
Yes
ERM fan assembly
Two redundant fans per ERM
Two redundant fans per ERM
ERM fan concurrent maintenance
No
Yes
Redundant power supplies
Two
Two
Power supply concurrent
maintenance
Yes
Yes
Note:
1
See PCI adapter information by feature type for the 31E/2B, 31E/1C, or 31E/2C
Cabling the PCIe storage enclosure
Use this information as a guide for cabling your storage enclosure.
Cabling the 58/88 PCIe storage enclosure to a 31E/1C or 31E/2C
system
Use this as a guide for cabling your PCIe storage enclosure to a 31E/1C or 31E/2C system.
Figure 3 on page 5 shows an example of connecting a 58/88 PCIe storage enclosure to a 31E/1C or
31E/2C system using two FC EJ0H GX adapters.
4
Power systems: Service procedures for the PCIe storage enclosure
Summary of Contents for 58/87
Page 1: ...Service procedures for the PCIe storage enclosure ESCALA Power7 REFERENCE 86 A1 25FK 01 ...
Page 2: ......
Page 6: ...iv Power systems Service procedures for the PCIe storage enclosure ...
Page 48: ...36 Power systems Service procedures for the PCIe storage enclosure ...
Page 49: ......
Page 50: ...Printed in USA ...
