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How to take backup of AIX System

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The mksysb command create a bootable image of all mounted file systems on the rootvg volume group. The root volume group image is in backup file format, starting with data files and then any optional map files. The image file contains information describing the image installed during the BOS installation process. This information includes the names, sizes, maps and mount points of logical volumes...

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IBM System Cluster 1350

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Reduced time to deployment IBM HPC clustering offers significant price/performance advantages for many high-performance workloads by harnessing the advantages of low cost servers plus innovative, easily available open source software.Today, some businesses are building their own Linux and Microsoft clusters using commodity hardware, standard interconnects and networking technology, open source software,...

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IBM System Cluster 1600

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IBM System Cluster 1600 systems are comprised of IBM POWER5™ and POWER5+™ symmetric multiprocessing (SMP) servers running AIX 5L™ or Linux®. Cluster 1600 is a highly scalable cluster solution for large-scale computational modeling and analysis, large databases and business intelligence applications and cost-effective datacenter, server and workload consolidation. Cluster 1600 systems can be deployed...

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IBM System p 570 with POWER 6

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* Advanced IBM POWER6™ processor cores for enhanced performance and reliability* Building block architecture delivers flexible scalability and modular growth* Advanced virtualization features facilitate highly efficient systems utilization* Enhanced RAS features enable improved application availabilityThe IBM POWER6 processor-based System p™ 570 mid-range server delivers outstanding price/performance,...

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Mirror Write Consistency

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Mirror Write Consistency (MWC) ensures data consistency on logical volumes in case asystem crash occurs during mirrored writes. The active method achieves this by loggingwhen a write occurs. LVM makes an update to the MWC log that identifies what areas ofthe disk are being updated before performing the write of the data. Records of the last 62distinct logical transfer groups (LTG) written to disk...

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WSM Objectives

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The objectives of the Web-based System Manager are:• Simplification of AIX administration by a single interface• Enable AIX systems to be administered from almost any client platform with a browserthat supports Java 1.3 or use downloaded client code from an AIX V5.3 code• Enable AIX systems to be administered remotely• Provide a system administration environment that provides a similar look and feel...

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Directories to monitor in AIX

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/var/adm/sulog Switch user log file (ASCII file). Use cat, pg ormore to view it and rm to clean it out./etc/security/failedlogin Failed logins from users. Use the who commandto view the information. Use "cat /dev/null >/etc/failedlogin" to empty it,/var/adm/wtmp All login accounting activity. Use the whocommand to view it use "cat /dev/null >/var/adm/wtmp" to empty it./etc/utmp Who has logged...

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What is Hot Spare

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What is an LVM hot spare?A hot spare is a disk or group of disks used to replace a failing disk. LVM marks a physicalvolume missing due to write failures. It then starts the migration of data to the hot sparedisk.Minimum hot spare requirementsThe following is a list of minimal hot sparing requirements enforced by the operatingsystem.- Spares are allocated and used by volume group- Logical volumes...

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