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Contents

Safety notices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v

SAS subsystem for the 8412-EAD, 9117-MMB, 9117-MMC, 9117-MMD, 9179-MHB,
9179-MHC, or 9179-MHD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

SAS architecture .

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. 1

SAS subsystem overview .

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. 1

SAS storage configurations

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SAS subsystem configuration that uses a two-way split backplane

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SAS subsystem configuration that uses a three-way split backplane .

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SAS subsystem configuration that uses a dual storage IOA with internal drives .

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SAS subsystem configuration that uses a dual storage IOA with external drives

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SAS subsystem service considerations

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Service considerations for the internal SAS cable for a three-way split backplane .

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Service considerations for the 175 MB cache RAID - dual IOA enablement card

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Service considerations for the cache battery pack .

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Problem determination and recovery .

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Notices

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Trademarks .

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Electronic emission notices .

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Class A Notices .

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Class B Notices .

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Terms and conditions .

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. 25

© Copyright IBM Corp. 2010, 2013

iii

Содержание Power ESE 8412-EAD

Страница 1: ...Power Systems SAS subsystem for the 8412 EAD 9117 MMB 9117 MMC 9117 MMD 9179 MHB 9179 MHC or 9179 MHD ...

Страница 2: ......

Страница 3: ...Power Systems SAS subsystem for the 8412 EAD 9117 MMB 9117 MMC 9117 MMD 9179 MHB 9179 MHC or 9179 MHD ...

Страница 4: ... Notices manual G229 9054 and the IBM Environmental Notices and User Guide Z125 5823 This edition applies to IBM Power Systems servers that contain the POWER7 processor and to all associated models Copyright IBM Corporation 2010 2013 US Government Users Restricted Rights Use duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp ...

Страница 5: ...dual storage IOA with internal drives 8 SAS subsystem configuration that uses a dual storage IOA with external drives 10 SAS subsystem service considerations 12 Service considerations for the internal SAS cable for a three way split backplane 12 Service considerations for the 175 MB cache RAID dual IOA enablement card 13 Service considerations for the cache battery pack 14 Problem determination an...

Страница 6: ...iv SAS subsystem ...

Страница 7: ...uct The documentation contains the safety information in your national language with references to the U S English source Before using a U S English publication to install operate or service this product you must first become familiar with the related safety information documentation You should also refer to the safety information documentation any time you do not clearly understand any safety inf...

Страница 8: ...Connect any equipment that will be attached to this product to properly wired outlets v When possible use one hand only to connect or disconnect signal cables v Never turn on any equipment when there is evidence of fire water or structural damage v Disconnect the attached power cords telecommunications systems networks and modems before you open the device covers unless instructed otherwise in the...

Страница 9: ...he customer to ensure that the outlet is correctly wired and grounded to prevent an electrical shock CAUTION v Do not install a unit in a rack where the internal rack ambient temperatures will exceed the manufacturer s recommended ambient temperature for all your rack mounted devices v Do not install a unit in a rack where the air flow is compromised Ensure that air flow is not blocked or reduced ...

Страница 10: ...te that you choose can support the weight of the loaded rack cabinet Refer to the documentation that comes with your rack cabinet for the weight of a loaded rack cabinet v Verify that all door openings are at least 760 x 230 mm 30 x 80 in v Ensure that all devices shelves drawers doors and cables are secure v Ensure that the four leveling pads are raised to their highest position v Ensure that the...

Страница 11: ... This product might contain one or more of the following devices CD ROM drive DVD ROM drive DVD RAM drive or laser module which are Class 1 laser products Note the following information v Do not remove the covers Removing the covers of the laser product could result in exposure to hazardous laser radiation There are no serviceable parts inside the device v Use of the controls or adjustments or per...

Страница 12: ...u call C003 Power and cabling information for NEBS Network Equipment Building System GR 1089 CORE The following comments apply to the IBM servers that have been designated as conforming to NEBS Network Equipment Building System GR 1089 CORE The equipment is suitable for installation in the following v Network telecommunications facilities v Locations where the NEC National Electrical Code applies ...

Страница 13: ...n is a temporary association between an adapter and an I O device through a path A connection enables communication to a device The adapter can communicate to the I O device over this connection by using either the SCSI command set or the Advanced Technology Attachment ATA and Advanced Technology Attachment Packet Interface ATAPI command set depending on the device type A SAS expander enables conn...

Страница 14: ...e cache capability P2 C9 C1 B Cache battery packs P2 C9 C1 E1 and P2 C9 C1 E2 C Disk bays 6 SFF drive disk bays P2 C9 C1 D1 through P2 C9 C1 D6 D Main SAS subsystem card with two embedded SAS adapters Card CCIN 2BBE Notes v If FC 5662 is not installed the embedded SAS adapters report CCIN 57C7 and operate as two independent adapters v If FC 5662 is installed the embedded SAS adapters report CCIN 5...

Страница 15: ...AS RAID adapters have the following features v PCI Express PCIe system interface v Physical link phy speed of 3 Gbps SAS supporting transfer rates of 300 MB per second v Optimized for SAS disk configurations that use dual paths through dual expanders for redundancy and reliability v Adapter managed path redundancy and path switching for multiported SAS devices v Embedded PowerPC RISC processor har...

Страница 16: ...e power to maintain both copies of write cache information in the event power is lost Related information Serial attached SCSI cable planning SAS storage configurations Several SAS subsystem configurations are supported on the 8412 EAD 9117 MMB 9117 MMC 9117 MMD 9179 MHB 9179 MHC or 9179 MHD systems The configuration you use depends on the combination of SAS features that you have installed on you...

Страница 17: ...onfiguration v Using the SAS drive assembly on nodes 3 and 4 is optional Related concepts SAS subsystem service considerations on page 12 There are several considerations to review before servicing features within the SAS subsystem for the 8412 EAD 9117 MMB 9117 MMC 9117 MMD 9179 MHB 9179 MHC or 9179 MHD system Service considerations for the internal SAS cable for a three way split backplane on pa...

Страница 18: ...ackplane has only SSD or HDD Example Two way split backplane This example shows a two way split backplane configuration Each embedded SAS adapter controls three disk drives The following table lists the details of the two way split backplane configuration Table 3 Configuration details Embedded SAS adapter Configuration details Embedded SAS adapter A v The SAS adapter connects to disk drive D1 D2 a...

Страница 19: ...mited A RAID 10 array with two drives is equivalent to RAID 1 mirrored drives A RAID 0 disk array with one drive is similar to JBOD support A RAID 10 array with one drive is not allowed v Solid state drives SSDs and hard disk drives HDDs can never be mixed in the same disk enclosure v SSD and HDD can both be present in a split backplane if each side of the split backplane has only SSD or HDD Examp...

Страница 20: ...v The SAS adapter reports CCIN 57B3 Related concepts SAS subsystem service considerations on page 12 There are several considerations to review before servicing features within the SAS subsystem for the 8412 EAD 9117 MMB 9117 MMC 9117 MMD 9179 MHB 9179 MHC or 9179 MHD system Service considerations for the internal SAS cable for a three way split backplane on page 12 To prevent data loss follow pro...

Страница 21: ... contained within the backplane v RAID 0 10 5 and 6 support up to six drives v Solid state drives SSDs and hard disk drives HDDs can be used but they can never be mixed in the same disk enclosure Example Dual storage IOA using internal drives This example provides an overview of the dual storage configuration that uses internal disk drives The following table lists the configuration details Table ...

Страница 22: ...ommon set of internal disk drives and external disk enclosures The following rules apply to this configuration v This configuration uses the 175 MB Cache RAID Dual IOA enablement card v The two SAS adapters with write cache can connect to each other connect to the six internal disk drives and connect to the 12 disk drives in an external disk drive enclosure by using the dual IOA enablement card an...

Страница 23: ... connect to all six disk drives and to any drives that are attached by the external cable v Physical connections to the SAS cable are enabled to attach to another SAS port expander in an external disk enclosure The SAS external port card YI cable or expansion enclosure might be present v The two embedded adapters report as CCIN 57CF Figure 7 Physical connection to attach external disk enclosures S...

Страница 24: ... to understand the differences between the various configurations and the resulting service considerations In addition consider possible impacts to the following areas v Logical partitions and their I O adapter assignments v RAID array configurations v Physical disk locations v Path to your boot device Related information Logical partitioning SAS RAID controllers for Linux SAS RAID controllers for...

Страница 25: ...feature Attention You must do proper planning and follow proper procedures before adding or removing the internal SAS cable for a three way split backplane FC 1815 to maintain system availability and to prevent possible data loss Related information Installing the external SAS port on a 8412 EAD 9117 MMB 9117 MMC 9117 MMD 9179 MHB 9179 MHC or 9179 MHD Service considerations for the 175 MB cache RA...

Страница 26: ...ta see the following figure In addition the two rechargeable battery packs on this feature enable nonvolatile write cache of the embedded SAS storage adapters Attention You must do proper planning and follow proper procedures before adding or removing the 175 MB Cache Raid Dual IOA enablement card FC 5662 to maintain system availability and to prevent possible data loss Related information Removin...

Страница 27: ...n and recovery procedures for the 8412 EAD 9117 MMB 9117 MMC 9117 MMD 9179 MHB 9179 MHC or 9179 MHD system Attention To maintain system availability and to prevent possible data loss contact your next level of support for any service that is related to the SAS storage subsystem on the 8412 EAD 9117 MMB 9117 MMC 9117 MMD 9179 MHB 9179 MHC or 9179 MHD system For more details about service support an...

Страница 28: ...16 SAS subsystem ...

Страница 29: ...d or changes in the product s and or the program s described in this publication at any time without notice Any references in this information to websites not owned by the manufacturer are provided for convenience only and do not in any manner serve as an endorsement of those websites The materials at those websites are not part of the materials for this product and use of those websites is at you...

Страница 30: ...r s support websites for updated information and fixes applicable to the system and related software Homologation statement This product may not be certified in your country for connection by any means whatsoever to interfaces of public telecommunications networks Further certification may be required by law prior to making any such connection Contact an IBM representative or reseller for any ques...

Страница 31: ...pareil numérique de la classe A est conforme à la norme NMB 003 du Canada European Community Compliance Statement This product is in conformity with the protection requirements of EU Council Directive 2004 108 EC on the approximation of the laws of the Member States relating to electromagnetic compatibility IBM cannot accept responsibility for any failure to satisfy the protection requirements res...

Страница 32: ...onfirmed Harmonics Guideline with Modifications products greater than 20 A per phase Electromagnetic Interference EMI Statement People s Republic of China Declaration This is a Class A product In a domestic environment this product may cause radio interference in which case the user may need to perform practical action Electromagnetic Interference EMI Statement Taiwan The following is a summary of...

Страница 33: ...Erweiterungskomponenten von Fremdherstellern ohne Empfehlung von IBM gesteckt eingebaut werden EN 55022 Klasse A Geräte müssen mit folgendem Warnhinweis versehen werden Warnung Dieses ist eine Einrichtung der Klasse A Diese Einrichtung kann im Wohnbereich Funk Störungen verursachen in diesem Fall kann vom Betreiber verlangt werden angemessene Maßnahmen zu ergreifen und dafür aufzukommen Deutschlan...

Страница 34: ...easonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful i...

Страница 35: ...nts of EU Council Directive 2004 108 EC on the approximation of the laws of the Member States relating to electromagnetic compatibility IBM cannot accept responsibility for any failure to satisfy the protection requirements resulting from a non recommended modification of the product including the fitting of non IBM option cards This product has been tested and found to comply with the limits for ...

Страница 36: ...d die Geräte wie in den Handbüchern beschrieben zu installieren und zu betreiben Des Weiteren dürfen auch nur von der IBM empfohlene Kabel angeschlossen werden IBM übernimmt keine Verantwortung für die Einhaltung der Schutzanforderungen wenn das Produkt ohne Zustimmung von IBM verändert bzw wenn Erweiterungskomponenten von Fremdherstellern ohne Empfehlung von IBM gesteckt eingebaut werden Deutschl...

Страница 37: ...ercial Use You may reproduce distribute and display these publications solely within your enterprise provided that all proprietary notices are preserved You may not make derivative works of these publications or reproduce distribute or display these publications or any portion thereof outside your enterprise without the express consent of IBM Rights Except as expressly granted in this permission n...

Страница 38: ...26 SAS subsystem ...

Страница 39: ......

Страница 40: ... Printed in USA ...

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