IBM 755 User Manual
Page 26
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110-008
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26
Storage devices/bays
• The Power 755 has a slim media bay that contains a mandatory DVD-RAM (#5762
or follow-on).
• Feature number 8340 must be selected and supports only SFF or SSD; 3.5-inch
drives are not supported with feature 8340:
– Feature number 1878 must be selected.
– One of feature numbers 1882, 1883, 1885, 1886, or 1890 must be selected
1
.
– If connection of a feature 5886 EXP12S drawer is desired using the external
SAS port on feature 8340, feature number 3668 is required.
1
No internal DASD is required if feature 0837 (Boot from SAN) is selected. In this case, a
Fibre Channel or Fibre Channel over Ethernet adapter must also be ordered.
• Split DASD is not supported on the 8236-E8C.
• SSDs (#1890 and #3586) support restrictions:
– Feature 1890 is supported in the Power 755 CEC.
– SFF feature 3586 is not supported in the Power 755 CEC.
– SSDs and disk drives (HDDs) are not allowed to mirror each other.
– SSDs are not supported by features 5900, 5901, and 5912.
– A maximum of eight per feature 5886 EXP12S drawer is allowed. There can
be no mixing of SSDs and HDDs in a feature 5886. A maximum of one feature
5886 containing SSDs attached to a single controller or pair of controllers is
allowed. A feature 5886 containing SSD drives cannot be connected to other
feature 5886s. A feature 5886 containing SSD drives cannot be attached to the
CEC external SAS portion of the Power 755.
Figure 3. Storage device features
Orderable
Maximum feature
Device quantity Bay number
DVD-RAM (SATA) 1 Slim 5762
Orderable
Maximum feature
Device quantity Bay number
AIX Linux
146.8 GB 15K, 8 8 DASD 1-8 1882
SAS, SFF,
73.4 GB 15K, 8 8 DASD 1-8 1883
SAS, SFF,
300 GB 10K, 8 8 DASD 1-8 1885
SAS, SFF,
146.8 GB 15K, 8 8 DASD 1-8 1886
SAS, SFF,
69 GB SAS, SFF, 8 8 DASD 1-8 1890
Solid-state
69 GB SAS, SFF, 24 24 3586
Solid-state 24 in 3 x #5886
Notes:
• Eight disks or solid-state drives maximum can be installed internally.
• Feature 3586 cannot be installed internally.
• Eight of feature 3586 can be placed in each feature 5886.
• Only one feature 5886 can be attached to a feature 5903 when it contains solid-
state drives.