sam-olar-UNIX.ppt

1、SAM & OLAR,Upon completion of this module, you will be able to: List significant changes to system administration tasks in HP-UX 11i Determine system readiness for OLA/R activity Interpret the results of a Critical Resource Analysis Replace or add a PCI I/O card using SAM and rad,Module Objectives,S

2、tudent Guide,System Administration Overview Online Addition and Replacement (OLA/R) New SAM Features,Module Agenda,Student Guide,SuperDome Partitions:Administration,Student Guide,Online Addition and Replacement (OLA/R),Introduction to OLA/R for PCI I/O Cards SAM OLA/R Procedure for PCI I/O Cards Pre

3、paring for OLA/R Online Replacement Online Addition Advanced Considerations,Student Guide,System Administration Manager (SAM),Student Guide:,New In SAM,Access SAM thru Guardian Service Processor (GSP) Local Console Port Remote Session Port Local Session Port Internal Console Port USB Port,Student Gu

4、ide,Changes to SAM,HP-UX 11i supports new devices and features in the following SAM functional areas: Disks & File Systems Kernel Configuration Network File Systems & Interface Cards Peripheral Devices Printers & Plotters Terminals & Modems Partition Manager,Student Guide:,Disk & File System Additio

5、ns,HP SureStore Disk Arrays FC60 XP 256 Support of VERITAS Volume Manager (VxVM) Recognition of disks being used by VxVM Recognition of disk groups and volumes Launching of Veritas Manager Storage Administrator (VMSA),Student Guide:,Kernel Configuration Additions,Support for dynamic tunables Immedia

6、te results (no reboot required) if changing the value of a dynamic tunable or a tunable set which contains ONLY dynamic tunables,Student Guide:,Network File System Additions,Export a file system using TCP/IP (in addition to UDP).,Student Guide:,Network Interface Cards Additions,Configure, modify, an

7、d unconfigure Gigabit Ethernet:(1000Base-T and 1000Base-SX) 100Base-T cards Independent Hardware Vendor:cards manufactured by third party vendors that conform to the exported SAM Networking interface,Student Guide:,Peripheral Devices Enhancements,On-line Addition and Replacement (OLA/R) PCI I/O card

8、 support Systems must have OLA/R-capable hardware SD-Class (SuperDome), N-Class, and L-Class platforms Hierarchical layout Displays devices controlled by a particular card Added Analyze Critical Resource,Student Guide:,Peripheral Devices (cont.),Recognition and configuration support for DLT device t

9、ape densities DLT_42500_24 DLT_42500_56 DLT_62500_64 DLT_81633_64 PCI multiplexer HP SureStore disk arrays Described under Disks and File Systems Enhancements,Student Guide:,Printers and Plotters Enhancements,Recognition of Super I/O Parallel Interface and configuration of printers using this interf

10、ace Updated software products that configure a network printer which contains a JetDirect interface card Removed obsolete JetDirect printer configuration SW Added support for new printer configuration software, HP JetDirect Printer Installer HP JetAdmin still supported, too,Student Guide:,Terminals

11、and Modems Enhancements,PCI multiplexer cards Modem support for hardware flow control,Student Guide:,SAM: Last Call,Last release for the following areas: (HP-IB) Instruments sub-area under Peripheral Devices Run SAM on Remote Systems Process Control sub-area under Process Management Routine Tasks Pe

12、rformance Monitors Disk and Terminal Activity Inter-Process Communication Facility Status Process with the Highest CPU Usage System Activity Virtual Memory Activity,Student Guide:,Documentation Changes,SAM manpage sam(1M) On-line help,Student Guide:,Module Summary,SAM enhancements in HP-UX 11i List

13、of areas for future obsolescence References,Student Guide:,Planning for OLA/R,Slot Compatibility Driver Compatibility System Impact Preparatory Actions,OLA/R Infrastructure,SAM,rad,libolar.sl,User Space,Kernel,OLA/R Driver,Security,OLA/R PSM,PCI CDIO,Firmware,Device Driver,PCI Card,Slots,/dev/olar,S

14、oftware,Hardware,SCSI,Student Guide:,Interfaces to OLAR,System Administration Manager, SAM Graphical user interface (GUI) The primary interface rad Command line interface Developed for single-user mode when SAM not yet available Not generally recommended,Student Guide:,Planning and Preparation Issue

15、s,Slot compatibility Driver compatibility Impact on the system To the OS To SAM To other applications,Student Guide:,Considerations for Critical Resources,Critical resource: a resource that, if lost, would cause the system to crash, or the OLA/R operation to fail Examples: Swap partition /, /usr, /e

16、tc, and /var filesystems Network card carrying connection for SAM displayed on a remote machine,Student Guide:,Considerations for Power Domains,Does not affect SuperDome Every slot is an individual power domain Other Systems Power domain:A grouping of 2 or more interface card slots that are powered

17、on or off as a unit. In many cases, there exist dependencies between other interface cards, slots, and power domains within the system.,Student Guide:,Considerations for Multi-Function I/O Cards,All functions on the same power source Must suspend all functions to remove the card Must resume all func

18、tions to bring the card back Must account for multiple affected cards in the critical resource analysis,Student Guide:,Failover,Failover means that the system will use an alternate resource if the primary resource is unavailable Critical resource analysis will prevent suspension of resources that do

19、 not have an alternate The system may operate with a single point of failure for a short time,Online Card Replacement,Replacement card must be identical type of card Must use same driver Must have same number of functions or ports Must have compatible power and frequency requirements Single point of

20、 failure may result when card is suspended and its backup takes over,Student Guide:,Card Replacement with SAM,Start SAM Select Peripheral Devices- Cards From the Sys Admin view of active I/O adapters, choose the adapter to be replaced Select PCI slot, then Replace action SAM analyzes critical resour

21、ces Physically remove old card and insert new card SAM finishes replacement by restarting card,Student Guide:,Online Replacement with SAMSteps 1 and 2,# sam,Student Guide,Online Replacement with SAMStep 3,Student Guide,Online Replacement with SAMSteps 4, 5, and 6,Student Guide,Online Replacement wit

22、h SAMStep 7,Student Guide,Online Replacement with SAMSteps 8, 9, 10, 11, and 12,Student Guide,Online Replacement with SAMSteps 13 - 17,Student Guide,Overview of Online Replacement with rad,Determine slot, path and drivers capable fields Set the selected cards attention state to flash Critical Resour

23、ce Analysis (manually) Power Domain Multi-function card Driver time-out value for card Execute /etc/olard.d scripts for the selected card Power off slot Replace the card Power on slot Run /etc/oldard.d/post_replace scripts Run ioscan and rad to verify correct function of card Turn the selected cards

24、 attention LED off,Student Guide,Online Replacement with /sbin/rad Step 1,Student Guide,Online Replacement with /sbin/rad Step 2,# rad -q,Student Guide,Online Replacement with /sbin/radSteps 3 6,3. Turn the LED to attention # rad -f 4. Check for other slots in the power domain that are affected by t

25、his card # rad -a 5. Check to see if the target card is a Multifunction card # rad -h 6. Determine the time-out value of the driver # rad -V ,Student Guide,Online Replacement with /sbin/radSteps 7 9,7. Execute any OLA/R script for this card # sh /usr/sbin/olrad.d/drivername prep_replace hw_path 8. S

26、uspend the drivers # rad -s 9. Turn off the power to the target slot # rad -o ,Student Guide,Online Replacement with /sbin/rad Step 10,Student Guide,Online Replacement with /sbin/radSteps 11 15,11. Turn on power to slot # rad -i 12. Run post_replace script # sh /usr/sbin/olard.d/drivername post_replace hw_patch 13. Restart drivers for target and affected c