Category Archives: Operating Systems

Objectives on AIX 7 Administratione – TEST 000-221: System Availability (10%) Identify resources used by Cluster Aware AIX Configure dump devices and analyze output Determine elements necessary to reduce single points of failure Understand geographical logical volume manager (GLVM) Maintain … Continue reading →

Progress code Description/Action

to get the bootable disk run the following command :   #bootinfo -b hdisk0

if you have multiple files (*.bff) for AIX Upgrade and you search for specific package on these files, try the following commands : #installp -ld U811780.bff Fileset Name Level I/U Q Content ==================================================================== Java5.msg.zh_CN 5.0.0.175 S N usr # Java … Continue reading →

the following commands show the list of bootable device : #ipl_varyon -i [S 9961756 16318656 02/13/13-08:23:36:836 ipl_varyon.c 1265] ipl_varyon -i PVNAME BOOT DEVICE PVID VOLUME GROUP ID hdisk2 YES 00f60b23a221o4a90000000000000000 00f60b2300009c00 hdisk3 YES 00f60b233757peb00000000000000000 00f60b2300004c00 vpath9 NO 00r60b2343d5683a0000000000000000 00f60b2300005c00 vpath10 … Continue reading →

A major number refers to a type of device, and a minor number specifies a particular device of that type or sometimes the operation mode of that device type. Example: # lsdev -Cc tape rmt0 Available 3F-08-02 IBM 3580 Ultrium … Continue reading →

Syntax: #mkcd -L -S -I /tmp/iso Explain: -L : Create CD/DVD image

Description The alt_rootvg_op command can be used to determine which disk is the boot disk for a specific volume group. Use the -q flag to determine the boot disk. This can be useful when a volume group is comprised of … Continue reading →

to clear the Disk pvid and regenerate it: #chdev -l hdisk2 -a pv=clear #chdev -l hdisk2 -a pv=yes

LVM device size limits The following limits are the LVM architectural limits. If LVM Bad Block Relocation is required, then PV sizes cannot be larger than 128 GB. For size limitations of specific storage devices, refer to the storage device … Continue reading →