Sas cabling

IBM Power Systems – Advanced Technical Skill (ATS)

Announcement Deep Dive
IBM #5887 EXP24S SFF Gen2-bay Drawer April 12, 2011
Revision 2, July 11, 2011

IBM Power Systems Advanced Technical Skills
The latest version of this presentation is available at IBM Techdocs: Search PRS4570

http://w3-03.ibm.com/support/techdocs/atsmastr.nsf/WebIndex/PRS4570http://partners.boulder.ibm.com/src/atsmastr.nsf/WebIndex/PRS4570 http://www.ibm.com/support/techdocs/atsmastr.nsf/WebIndex/PRS4570

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#5887 EXP24S SFF Gen2-bay Drawer

Disk drawer with 24 SAS bays for HDD (contains no PCIe slots) Supports SAS SFF HDD on POWER6 & POWER7
– July 11, 2011 announce adds support for 177GB SSD

Gen2 (SFF-2) bays …. Different carrier/tray vs. Gen1(SFF-1) Attaches to 1 or more SAS PCI Adapters or integrated SAS controller OS Support:
– AIX 5.3 or later – IBM i 6.1 or later (V6.1.1 or V7.1 Load Source is supported) – Linux REHL 5.6 or later, SUSE 11 or later – VIOS 2.2.0.12 or later

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© 2011 IBM Corporation

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EXP24S SFF Gen-2-bay disk expansion drawer
Twenty-four Gen2 - 2.5-inch small form factor SAS bays Gen-2 SASbays (or SFF-2) are not compatible with Gen-1 SAS bays
– Not compatible with CEC SFF Gen-1 SAS bays or with #5802/5803 Gen-1 SFF SAS bays
C1-T3 C1-T2

5887

Supports 3G and 6G SAS interface speeds redundant AC power supplies Supports HDDs EXP24s can be ordered in one of 3 possible manufacturing-configured MODE settings (not customer set-up) will result in:
– 1, 2 or 4 sets of diskpartitions

C2-T3 C2-T2

ESM C1

ESM C2

SAS controller implementation options are 5887 mode dependant:
– a single controller – one pair of controllers – two pairs of controllers – up to four separate controllers
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C1-T1

C2-T1

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#5887 EXP24S Modes
Mode 1 Mode 2 Mode 4

24
1 set 24 bays
AIX, IBM i, Linux, VIOS All adapter/controllers12

12

6

6

6

6

2 sets 12 bays
AIX, Linux, VIOS Not IBM i All adapter/controllers

4 sets 6 bays
AIX, Linux, VIOS Not IBM i Only #5901/5278 adapters Each adapter could be a separate partition/system

#5887 Modes are set by IBM Manufacturing No option to reset mode outside of manufacturing at time of announced
(an offering to change the mode setting in the field is planned)Note: IBM manufacturing will attach an external label on the EXP24S to indicate the mode setting

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Ordering EXP24S - Mfg Specify Codes
To communicate to IBM Manufacturing exactly what should be built, the following no-charge specify codes should be included with EXP24S orders …. One per EXP24S
Specify Mode #9359 #9360 #9361 #9365 #9366#9367 #9368 #9382 #9383 #9384
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Adapter/Controller

Cable to Drawer 1 YO cable 2 YO cables 2 YO cables 2 X cables 2 YO cables 2 X cables 1 YO cable 2 YO cables 1 YI cable

Environment AIX/Linux/VIOS AIX/Linux/VIOS AIX/Linux/VIOS AIX/Linux/VIOS AIX/Linux/VIOS AIX/IBM i/Linux/VIOS AIX/Linux/VIOS AIX/IBM i/Linux/VIOS AIX/IBM i/Linux/VIOS AIX/IBM i/Linux/VIOS
© 2011 IBM Corporation

Mode 1One #5901/5278 Mode 1 Pair #5901/5278 Mode 2 Two #5901/5278 Mode 4 Mode 1 Mode 1 Mode 1 Mode 1 Four #5901/5278 Pair #5903/5805 One #5904/06/08 Pair #5904/06/08 CEC SAS port

Mode 2 Two pair #5901/5278 2 X cables Mode 2 Two pair 5903/5805

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#5887 EXP24S Physical Planning
Physical Specifications
– Weight: 17.7 kg (39 lb) with no drives installed – Width: 448.6 mm (17.7in) – Depth: 530.0 mm (20.9 in) including front bezel – Height: 87.4 mm (3.4 in) with support rails

Operating Environment
– Temperature (air cooled): – Operating 10 - 38 degrees C (50 - 100.4 F)
• Note: The maximum 38 degrees C (100.4 F) temperature must be derated 1 degree C (1.8 F) per 137 m (449 ft) above 1295 m (4248 ft).

– Maximum altitude: 2134 m (7000 ft) above sea level – Wet bulb...