Clik here to view.
Article 24
TOPAS - NMON:TOPASReports selected local and remote system statistics. The topas command requires the bos.perf.tools and perfagent.tools file sets to be installed on the system.Navigation is possible...
View ArticleArticle 23
RMC (Resource Monitoring and Control):RMC is a distributed framework and architecture that allows the HMC to communicate with a managed logical partition. RMC daemons should be running on AIX partition...
View ArticleArticle 22
KDB:The KDB kernel debugger and the kdb command are useful for debugging device drivers, kernel extensions, and the kernel itself. Although they appear similar, the KDB kernel debugger and the kdb...
View ArticleClik here to view.
Article 21
USER LOGIN PROCESS:LOGIN PROCESS DESCRIPTION:1. getty:The file /etc/inittab contains possible ports for login (i.e. console). When init runs, a getty process is started for each port listed in that...
View ArticleArticle 20
IFIX:An interim fix, or ifix (previously called an emergency fix or efix) is a code update to resolve a specific known problem, or APAR, while an official PTF is undergoing the formal development...
View ArticleArticle 19
NETCD (Network Caching Daemon):AIX v6.1 introduced the network caching daemon (netcd), which can be configured to cache answers from DNS, NIS, etc. to improve performance and also reduce network...
View ArticleClik here to view.
Article 18
HMC and IBM POWER7 SYSTEMS INSTALL:HMC network types and configuration:HMC to managed system (private network):This is the connection between the HMC and the service processor, which is resposible for...
View ArticleArticle 17
AIX migration (upgrade) with nimadm:AIX migration (or upgrade) is the process of moving from one version of AIX to another verson. (for example from AIX 5.3 to 6.1 or 7.1)This method will preserve all...
View ArticleClik here to view.
Article 16
Live Partition MobilityLive Partition Mobility (LPM) allows you to migrate partitions from one physical server to another while partition is running.When all requirements are satisfied and all...
View ArticleArticle 15
Shared Storage Pools:A shared storage pool is a pool of SAN storage devices that can span multiple Virtual I/O Servers. It is based on a cluster of Virtual I/O Servers and a distributed data object...
View ArticleArticle 14
VIOS update:1. create backup: VIO Operating System (device mappings will be backed up as well?) backupios -file /mnt/backup <--this will create nim_reources.tar file (in this...
View ArticleArticle 13
VIRTUAL PROCESSORS AND ENTITLED CAPACITYProcessing Capacity(Processing Units, Entitled Capacity)Capacity Entitlement value is the time when you can access the core. Processing capacity can be...
View ArticleArticle 12
BOOTPD:This is the initial communication made between the NIM master and client during network boot. When a NIM client is configured to be booted from the NIM Master, the bootpd daemon will use the...
View ArticleArticle 11
IOSTAT - FCSTAT:IOPS (I/O per second) for a disk is limited by queue_depth/(average IO service time). Assuming a queue_depth of 3, and an average IO service time of 10 ms, this equals to 300 IOPS for...
View ArticleArticle 10
SDDPCM:SDDPCM is a loadable path control module designed to support the multipath configuration environment in the IBM TotalStorage Enterprise Storage Server, the IBM System Storage SAN Volume...
View ArticleArticle 9
DPO:Managed Systems can become suboptimal in terms of processor and memory affinity when reassigning or moving resources. For example DLPAR operations, LPM and LPAR creation/deletion can cause that...
View ArticleArticle 8
SNAPSHOT - FS:Snapshot:Snapshot is the state of a system at a particular point in time. (This term was coined as an analogy in photography.) Snapshots later can be used to copy data from one system to...
View ArticleArticle 7
SNAPSHOT - VG,LV:VOLUME GROUP SNAPSHOT (splitvg, joinvg)Splitvg turns a mirror copy of the volume group into a snapshot. LVs (and filesystems) in this new snapshot will receive an 'fs' prefix and...
View ArticleArticle 6
Virtualization - NetworkVirtual Ethernet Virtual Ethernet traffic is generally heavier on the Virtual I/O Server than virtual SCSI traffic. Virtual Ethernet connections generally take up more CPU...
View ArticleRedHat 6 Install on IBM Power System
This blog post is written by Marcel Mages-Veidt.RedHat 6 Install on IBM Power SystemIt contains the following chapters:I. PRE-REQUIREMENTSII. PREPARATIONIII. BOOTINGIV....
View Article