10-Power Linux的技術要點和最佳實踐分享

12PowerLinux的技術要點和最佳實踐分享師3LinuxonPower:主流的Linux發(fā)行版族譜nuxlittleendianx86應用移植到PowerLinux平臺?可從IBM和Linux廠商獲得三種Linux企業(yè)版相同的的技術支持4主流Linux發(fā)行版均已支持Power服務器?RHEL7.2nowavailable?RunsinPOWER8exploitmodeonP8?BEwithPOWER7inp7compatmode?LEnowexploitsP8bare-metal“L”and“LC”?CentOS7.2ppc64lenowavailable?RHEVforPoweravailableNew?RHEL6U5onPower8(P7compatmode)?FullsupportofPOWER6andPOWER7(nativemode)?PowersupportsinceFedora16?Fedora20introducesPower8support?Fedora25activelybeingworked–LEisthefocus?DockerenabledinRawhide,Fedora23SupportedAdd-ons?Jboss,Highperformancenetworkadd-onSSPLEonly?SLES12SP1nowavailable?RunsinPOWER8exploitmodeonP8?LEnotsupportedonPower7systems?ExploitsP8bare-metal“L”?RunsinselectivePOWER8exploitmodeonP8?FullsupportofPOWER6andPOWER7(nativemode)?CurrentbaseforSAPHANAengagementsLE?openSUSE12.2introducedupdatedPOWERsupport?openSUSE13.2introducesPower8support?Dockernowenabledin“Tumbleweed”SupportedAdd-ons?SUSELinuxEnterpriseHA?Infinalbeta.ExpectedinApril2016?RunsinPOWER8exploitmodeonP8?LEnotsupportedonPower7system?ExploitsP8bare-metal“L”and“LC”?DeliversKVMhostcapability?14.04.4availabletoday.“.5”willbelastupdate.?ExploitsP8bare-metal“L”and“LC”?KVMhostingenabled(14.04.2)?15.10:“LC”enablement,CAPIenhancements?15.04:Dockerenablement,initialFPGAsupport?14.10:NvidiaK80GPUsupport?Power8LEsupportedwithJessie(v8)releaseSupportedAdd-ons?JuJucharms,MaaS(metalasaservice),Landscape520062007200820092010201120122013201420152016201720182019SLES11(3/09)ESLES12(4Q14)LERHEL6(11/10)BERHEL7(6/14)20062007200820092010201120122013201420152016201720182019SLES11(3/09)ESLES12(4Q14)LERHEL6(11/10)BERHEL7(6/14)BE4LTS(4/14)LE14.10(10/14)LE15.04(4/15)LE15.10(10/15)LE Power服務器上Linux小端系統(tǒng)逐漸壯大StandardReleaseSupportExtendedReleaseSupportSeeforStandardReleaseSupportExtendedReleaseSupportSeeformoredetails:RedHatlifecycleinformation-/support/policy/updates/errata/SUSElifecycleinformation–/inc/lifecycle/linux.htm/Ubuntulifecycleinformation-/Releases6小端系統(tǒng)助力應用從X86平滑遷移至Power大多用腳本或解釋型語言編寫的X86Linux上的應用可以順大多用C/C++編寫在X86Linux上開發(fā)的平臺無關的應用，即可式：數(shù)據的低位保存在內存的高地址中，而數(shù)據的高位，保存在內存的低地址中；7 LE/BE LE BE/LEM LE/BE LE BE/LEMMX86KVMPower服務器和X86服務器架構對比?Power小型機?PowerLinuxL機型?PowerLinuxLC機型OPAL:OpenPowerAbstractionLayerFSP:FlexibleServiceProcessorBMC:BaseboardManagementController8S812L機型內置硬盤EL3T背板9 PEXx8 PEXx8S812L機型內置EL3T和EL3V分離式背板S812L內置EL3U背板 (raid卡帶緩存，有外接磁盤柜接口)ExternalSASSlotP1-C94PCIeslots2UserverREAR后面4PCIeslots2UserverREAR后面32MemoryDIMMslots2Powersupplies12StoragebaysfordiskorSSDPOWER8ProcessorModuleTrayfor2baysfordiskorSSDFRONT前面S812LC機型2塊硬盤S812LC內置硬盤連接示意圖連接連接前面12塊硬盤(及后面2塊硬盤)idCSGBprotectedwritecache?PlaceinPCIeslot4plusprotectionsupercapacitorsplacedinPCIeslot?RAID0,1,1E,5,6,10,50,60andHybridRAID1,10PowerLinux服務器上建硬盤raid的工具字符窗口工具iprconfig?命令行工具arcconf?Web圖形工具Power服務器最佳操作步驟服務器固件Raid4.4.配置系統(tǒng)盤硬Raid1盤硬Raid配置FSP/BMC地址板上執(zhí)行如下操作：B.切換到30，3000為HMC1地址(默認為27)，3001為HMC2地址(默認為47)。llshellipmitool工具設置BMC地址，命令如下：lansetipsrcstaticNPadminlansetipaddrxxxxitoolUADMINPadminlansetnetmaskxxminlansetdefgwipaddrxxxx建議如下：ASM先將固件調為OPAL模式2.采用ipmitool登入petiboot然.將固件放入fat32格式U盤并插入服務器4.采用U盤中固件進行升級update_建議如下：ASM先將固件調為OPAL模式2.采用ipmitool登入petiboot然.將固件放入fat32格式U盤并插入服務器4.采用U盤中固件進行升級update_flash[-s]{-r|-c|[-v]-f<filename>}-sDetermineifpartitionhasaccesstoperformflashimagemanagement.Rejecttemporaryimage.Committemporaryimage.ValidateONLYwithgivenimageUpdatewithgivenimagefile.validatedpriortoupdate.-r-c-f<filename>imageisautomaticallyIfpossible,the1.PowerVM模式：A用HMC升級eflashAPetibootupdateflash級eflashIlanplusUADMINPadminchassispowerofflanplusUADMINPadminmcresetcold以通過BMC的管理頁面來進以通過BMC的管理頁面來進mitoolHBMCIPIlanplusUADMINPadminrawxxbaxxipmitool-H<BMCIP>-Ilanplus-UADMIN-Padmin-z30000hpmupgrade<xxxxx.hpm>forceipmitool-H<BMCIP>-Ilanplus-UADMIN-Padminchassispoweron升級Raid卡固件查詢RAID卡設備#iprconfig-cshow-ioasNameResourcePath/AddressVendorProductIDStatus-------------------------------------------------------------------------sg4sg8OperationalOperationalFEFEIBMsg4sg8OperationalOperationalFEFEIBMIBM57D7001SISIOA查詢RAID設備號以便在FixCentral下載對應固件#iprconfig-cshow-detailssg4|grep'MachineTypeandModel'|awk'{print$NF}'查詢RAID設備號以便在FixCentral下載對應固件57D7查詢RAID控制器現(xiàn)有固件版本#iprconfig-cquery-ucode-levelsg4安裝下載的新固件#rpm-ivhpci.1014034A.51-12511400-1.Linux.noarch.rpm更新固件#iprconfig-cupdate-ucodesg4/lib/firmware/pci.1014034A.51.12511400oolUSBRHEL從光盤啟動RHEL2安裝圖符界面執(zhí)行Ctrl-b2進入命令行rcconfraidfatUU盤，采用arcconf工具升級固件，命令如下：zipzfwbzipaszufi配置系統(tǒng)盤硬Raid1JBOD式化為RAID模式RAIDRAID盤考慮RAID1RAID備OPALpetibootPowerVM式下，也可以在LiveCD(如IBMInstallationToolkit)中執(zhí)行上述操作。DEftaskstartDEVICEALLinitializeptecRaidraidompt注：可在petiboot中執(zhí)行上述操作，也可以在LiveCD(如RH