IBM AIX-AK FZK 2005 Bedienungsanleitung

IBM Systems Group AIX-AK FZK 2005© 2005 IBM CorporationApril 2005AIX AK April 2005Forschungszentrum Karlsruhe

IBM Systems GroupAIX-AK FZK 2005© 2005 IBM CorporationDesign SDdisksblock device(sd_mod.o)User SpaceKernel SpaceSGpass-throughchar device(sg.o)STtapes

IBM Systems GroupAIX-AK FZK 2005© 2005 IBM CorporationLinux Kernel Version 2.6What is supportedThe Linux SCSI subsystemLinux Kernel version 2.6Mul

IBM Systems GroupAIX-AK FZK 2005© 2005 IBM CorporationStorage Changes in Linux Kernel 2.6Increased number of SCSI devicesPersistent device namesImp

IBM Systems GroupAIX-AK FZK 2005© 2005 IBM CorporationWellknown Linux SCSI LimitationsLimited number of devicesUp to 256 SCSI disk devicesUp to 256

IBM Systems GroupAIX-AK FZK 2005© 2005 IBM CorporationOther Problems and Pitfalls Multiple LUN support of RH-ELDS4000 SpecificQLogic failover drive

IBM Systems GroupAIX-AK FZK 2005© 2005 IBM CorporationLarge filesystems supportLinux Kernel LimitsMax file size: 2 TB (2^41 bytes)Max file system s

IBM Systems GroupAIX-AK FZK 2005© 2005 IBM CorporationMultipathing ScenariosWhat is supportedThe Linux SCSI subsystemLinux Kernel version 2.6Multi

IBM Systems GroupAIX-AK FZK 2005© 2005 IBM CorporationMultipathing ConceptsLinux host 1HBA 0DiskLUN 0HBA 1Linux host 2HBA 0HBA 1DS4000A BLinux host 1H

IBM Systems GroupAIX-AK FZK 2005© 2005 IBM CorporationLUN Transfer to Alternate ControllerDS4000 transfers LUNs to alternate controllerVolumes are o

IBM Systems GroupAIX-AK FZK 2005© 2005 IBM CorporationLUN Thrashing ScenarioLinux host 1HBA 0DiskLUN 0HBA 1Linux host 2HBA 0HBA 1DS4000A B

IBM Systems Group AIX-AK FZK 2005© 2005 IBM CorporationIBM Storage with Linux 2005Alexander WarmuthATS EMEA Storage

IBM Systems GroupAIX-AK FZK 2005© 2005 IBM CorporationLUN Thrashing ScenarioLinux host 1HBA 0DiskLUN 0HBA 1Linux host 2HBA 0HBA 1DS4000A B

IBM Systems GroupAIX-AK FZK 2005© 2005 IBM CorporationLUN Thrashing ScenarioLinux host 1HBA 0DiskLUN 0HBA 1Linux host 2HBA 0HBA 1DS4000A B

IBM Systems GroupAIX-AK FZK 2005© 2005 IBM CorporationMultipathing with RDACMust use QLogic non-failover driverAlways uses current path (as reported

IBM Systems GroupAIX-AK FZK 2005© 2005 IBM CorporationRDAC Shared Data ScenarioLinux host 1HBA 0DiskLUN 0HBA 1Linux host 2HBA 0HBA 1DS4000A B

IBM Systems GroupAIX-AK FZK 2005© 2005 IBM CorporationRDAC Shared Data ScenarioLinux host 1HBA 0DiskLUN 0HBA 1Linux host 2HBA 0HBA 1DS4000A B

IBM Systems GroupAIX-AK FZK 2005© 2005 IBM CorporationRDAC Shared Data ScenarioLinux host 1HBA 0DiskLUN 0HBA 1Linux host 2HBA 0HBA 1DS4000A B

IBM Systems GroupAIX-AK FZK 2005© 2005 IBM CorporationPreferred PathDS6000 uses concept of preferred pathVolumes are owned by one controllerVolumes

IBM Systems GroupAIX-AK FZK 2005© 2005 IBM CorporationPreferred Path Shared Data ScenarioLinux host 1HBA 0DiskLUN 0HBA 1Linux host 2HBA 0HBA 11 2DS600

IBM Systems GroupAIX-AK FZK 2005© 2005 IBM CorporationPreferred Path Shared Data ScenarioLinux host 1HBA 0DiskLUN 0HBA 1Linux host 2HBA 0HBA 11 2DS600

IBM Systems GroupAIX-AK FZK 2005© 2005 IBM CorporationPreferred Path Shared Data ScenarioLinux host 1HBA 0DiskLUN 0HBA 1Linux host 2HBA 0HBA 1A BDS600

IBM Systems GroupAIX-AK FZK 2005© 2005 IBM CorporationTopicsWhat is supportedThe Linux SCSI subsystemLinux Kernel version 2.6Multipathing scenario

IBM Systems GroupAIX-AK FZK 2005© 2005 IBM CorporationPreferred Path Shared Data ScenarioLinux host 1HBA 0DiskLUN 0HBA 1Linux host 2HBA 0HBA 12DS6000

IBM Systems GroupAIX-AK FZK 2005© 2005 IBM CorporationHost Ports Independent of ControllerESS and DS8000 have independent host portsVolumes are owne

IBM Systems GroupAIX-AK FZK 2005© 2005 IBM CorporationIndependent Host Port Shared Data ScenarioLinux host 1HBA 0DiskLUN 0HBA 1Linux host 2HBA 0HBA 11

IBM Systems GroupAIX-AK FZK 2005© 2005 IBM CorporationIndependent Host Port Shared Data ScenarioLinux host 1HBA 0DiskLUN 0HBA 1Linux host 2HBA 0HBA 11

IBM Systems GroupAIX-AK FZK 2005© 2005 IBM CorporationIndependent Host Port Shared Data ScenarioLinux host 1HBA 0DiskLUN 0HBA 1Linux host 2HBA 0HBA 12

IBM Systems GroupAIX-AK FZK 2005© 2005 IBM CorporationTape SpecificsWhat is supportedThe Linux SCSI subsystemLinux Kernel version 2.6Multipathing

IBM Systems GroupAIX-AK FZK 2005© 2005 IBM CorporationIBMtape driverFor download as binary rpm packageKernel module IBMtape.oRequired to utilize al

IBM Systems GroupAIX-AK FZK 2005© 2005 IBM Corporation-------------------------- General Commands: ----------------------------- 1. Open a Device

IBM Systems GroupAIX-AK FZK 2005© 2005 IBM CorporationUse LTO DevicesNativetools: mt, mtx, IBMtapeutilapplications: cpio, tar, taper, afio3rd part

IBM Systems GroupAIX-AK FZK 2005© 2005 IBM CorporationNative Library ManagementLinux tool for media changers: mtxMedia changer is addressed through

IBM Systems GroupAIX-AK FZK 2005© 2005 IBM CorporationWhat Is SupportedWhat is supportedThe Linux SCSI subsystemLinux Kernel version 2.6Multipathi

IBM Systems GroupAIX-AK FZK 2005© 2005 IBM CorporationMedium Changer FailoverAutomatitcally moves robot control to another drive in case of a failure

IBM Systems GroupAIX-AK FZK 2005© 2005 IBM CorporationTape and Disk Connected to the Same HBALinux hostHBA 0DiskLUN 0HBA 1DiskLUN 1HBA 2SCSI / FCtapeS

IBM Systems GroupAIX-AK FZK 2005© 2005 IBM CorporationQuestions & DiscussionMore Questions?What are your customers needs?Contact: [email protected]

IBM Systems GroupAIX-AK FZK 2005© 2005 IBM CorporationESS / DS6000 / DS8000 ResourcesEnterprise Storage Server interoperability matrixSubsystem Devi

IBM Systems GroupAIX-AK FZK 2005© 2005 IBM CorporationDS4000 ResourcesDS4000 Storage interoperability matrixFibre channel host bus adapter firmware

IBM Systems GroupAIX-AK FZK 2005© 2005 IBM CorporationLTO ResourcesLTO Compatibility InformationLTO ISV Matrixhttp://www.storage.ibm.com/tape/lto/co

IBM Systems GroupAIX-AK FZK 2005© 2005 IBM CorporationImplementing Linux with IBM Disk Storagehttp://www.redbooks.ibm.com/redbooks/pdfs/sg246261.pdf

IBM Systems GroupAIX-AK FZK 2005© 2005 IBM CorporationWhite PapersFAStT and Linux HowTohttp://www.ibm.com/developerworks/eserver/articles/install_fib

IBM Systems GroupAIX-AK FZK 2005© 2005 IBM CorporationLegal NoticesBoth Linux and Storage are rapidly changing environments. This information is pres

IBM Systems GroupAIX-AK FZK 2005© 2005 IBM CorporationIBM Storage Support for LinuxDS4000 Storage Servers Enterprise Storage ServerLinear Tape Open

IBM Systems GroupAIX-AK FZK 2005© 2005 IBM CorporationpLinux Support DiskESS: SLES8, SLES9, RH-EL 3SDD availableJS20, p5 and OP: SLES9, RH-EL 3Rem

IBM Systems GroupAIX-AK FZK 2005© 2005 IBM CorporationpLinux Support TapeLTO: SLES 8, SLES 9, RH-EL 3Data Path (for 3584) and Media Changer failover

IBM Systems GroupAIX-AK FZK 2005© 2005 IBM CorporationThe Linux SCSI SubsystemWhat is supportedThe Linux SCSI subsystemLinux Kernel version 2.6Mul

IBM Systems GroupAIX-AK FZK 2005© 2005 IBM CorporationLinux Device Addressingbrw-rw---- 1 root disk 8, 0 2003-03-14 14:07 /dev/sdabrw-r